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Indian Journal of Weed Science


Print ISSN: 0253-8050
Online ISSN: 0974-8164

NAAS rating: 5.17

Chief Editor

J.S. Mishra
Dr. J.S. Mishra
Principal Scientist, Division of Crop Research,
ICAR Research Complex for Eastern Region,
Bihar Veterinary College, Patna - 800014 (Bihar)
Mobile - +91 9494240904
Email- editorisws@gmail, jsmishra31@gmail.com

Associate editors

Bhagirath S. Chauhan

Dr. Bhagirath Singh Chauhan
Queensland Alliance for Agricultureand Food Innovation
Level 2, Queensland Bioscience Precinct
The University of Queensland
St Lucia QLD 4069, Australia
Email: b.chauhan@uq.edu.au
A.N. Rao
Dr. A.N. Rao
Hydarabad, INDIA
Mobile Number: +91 9440372165
Email: adusumilli.narayanarao@gmail.com

CALL FOR RESEARCH PAPER

Indian Journal of Weed Science is inviting your articles, review article, Research article and Research note on all topics of weed science. IJWS welcomes quality work that focuses on research, development and review. We are looking forward for strict compliance to the modern age standards in all these fields. Authors across the globe are welcome to submit their research papers in the prestigious journal fulfilling the requisite criterion.

Indian Journal of Weed Science (IJWS) is inviting papers for the VOL-53, ISSUE-1 March-(2021)


Article submission guideline

Enter your login details for IJWS below. If you do not already have an account you will need to.. Register here
Author login
  • Author Instruction
  • Style of Invited paper
  • Style of Research Article
  • Style of Research note

Paper Publication Process –

  • Manuscripts are received online in the editorial office with the certificate that MS has not been sent for consideration in any other journals for consideration.
  • Manuscripts are checked by office for its style and pattern and for plagiarism. If plagiarism is more than 20%, it is not considered and sent back to author for revision and re-submission.
  • If MS is found fit at Editorial office in context to plagiarism and style and pattern, it is sent to Chief Editor for further processing.
  • If chief Editor find the MS suitable for consideration, he shall suggest two name of referees as reviewers either from editorial board or from other institutions of concern discipline for reviewing the MS.
  • Editorial Office shall send the MS for double blind review to the reviewers suggested by Chief Editor.
  • Comments of double -blind reviewers will be sent to corresponding author without disclosing the identity of the reviewers to address the comments and re-submission of MS.
  • In case, one reviewer rejects while other accept the MS, it is sent to third reviewer suggested by Chief Editor.
  • Revised MS is again sent to reviewers to see whether their comments are addressed suitably.
  • On agreeing by the reviewers, the MS is again sent to Chief Editors with comments of reviewers and reply of author to take the final decision.
  • The final decision of Chief Editor is communicated to authors.

CALL FOR RESEARCH PAPER

Indian Journal of Weed Science is inviting your articles, review article, Research article and Research note on all topics of weed science. IJWS welcomes quality work that focuses on research, development and review. We are looking forward for strict compliance to the modern age standards in all these fields. Authors across the globe are welcome to submit their research papers in the prestigious journal fulfilling the requisite criterion.

Indian Journal of Weed Science (IJWS) is inviting papers for the VOL-51, ISSUE-4 December-(2019)


Article submission guideline

Enter your login details for IJWS below. If you do not already have an account you will need to.. Register here
Author login
  • Author Instruction
  • Style of Invited paper
  • Style of Research Article
  • Style of Research note

Paper Publication Process –

  • Manuscripts are received online in the editorial office with the certificate that MS has not been sent for consideration in any other journals for consideration.
  • Manuscripts are checked by office for its style and pattern and for plagiarism. If plagiarism is more than 20%, it is not considered and sent back to author for revision and re-submission.
  • If MS is found fit at Editorial office in context to plagiarism and style and pattern, it is sent to Chief Editor for further processing.
  • If chief Editor find the MS suitable for consideration, he shall suggest two name of referees as reviewers either from editorial board or from other institutions of concern discipline for reviewing the MS.
  • Editorial Office shall send the MS for double blind review to the reviewers suggested by Chief Editor.
  • Comments of double -blind reviewers will be sent to corresponding author without disclosing the identity of the reviewers to address the comments and re-submission of MS.
  • In case, one reviewer rejects while other accept the MS, it is sent to third reviewer suggested by Chief Editor.
  • Revised MS is again sent to reviewers to see whether their comments are addressed suitably.
  • On agreeing by the reviewers, the MS is again sent to Chief Editors with comments of reviewers and reply of author to take the final decision.
  • The final decision of Chief Editor is communicated to authors.
Read More

Guidelines for Authors

Indian Journal of Weed Science is a quarterly journal publishing original research article, research notes, opinion articles and review articles (invited or with prior approval of the title reflecting substantial contributions of the author) covering all areas of weed science research. All contributions must be of a sufficient quality to extend our knowledge in weed science.

The papers submitted should not have been published or communicated elsewhere. Authors will be solely responsible for the factual accuracy of their contribution. Manuscript should not carry any material already published in the same or different forms.

  • Style of Invited paper
  • Style of Research Article
  • Style of Research note

Format

Full length article should be suitably divided into the following sub-sections; ABSTRACT, Key words, INTRODUCTION, MATERIALS AND METHODS, RESULTS AND DISCUSSION and REFERENCES. The heading, introduction need not be mentioned in the text.

Title

The title of article should be informative but concise and should not contain abbreviations. It should indicate the content of the article essential for key word indexing and information retrieval. It should be set in small and bold letters. A good title briefly identifies the subject, indicates the purpose of study and introduces key terms and concepts. Title should not be started with the waste words like 'a study of', 'effect of', 'influence of' , 'some observations on', 'a note of' etc. The title should indicate preferably English name or most popular common name of the crops or organisms studied, wherever relevant. Scientific name can be given in abstract and introduction. Authority for such a name should be given at first mention in the text. A short title should be given for running headlines and should cover the main theme of the article.

Author(s) name(s) and affiliations

The name(s) of the author(s) should be given in small letters with sentence case separated by 'comma' or by 'and'. Institute name where the research was carried out should be given in italics. If authors are of different institutes, these can be mentioned by allotting number like 1, 2 or 3 as superscript over the name of author. The affiliation of such author may be given below of the corresponding author email address. Sometimes authors retire and change frequently and wish to give their current address, this should be given as foot note. Email address of main author or corresponding author should be given at the bottom.

Abstract

The abstract should contain at least one sentence on each of the following: objective of investigation (hypothesis, purpose, collection, result and conclusions). Give complete scientific name for plants or other organisms and full name of any symbol or abbreviations used. There is a need to mention place, name and priod of study in abstract. Emphasis should be given to highlight the results and the conclusion of the study. It should not exceed a total length of 200-250 words. Abstract should not have the words like 'will be explained or will be discussed'.

Key words

(5 6) should be given at the end of the abstract and should be arranged alphabetically. Each key word should be started with capital letter and separated by comma ( , ) from other words.

Introduction

Introduction should be brief and to the point, cover the problem and should justify the work or the hypothesis on which it is based. In introduction, a detail review is not necessary. However, to orient readers, important references about previous concepts and research should be given. It should briefly state the currently available information and should identify the research gap that is expected to be abridged through this investigation. Give preference to recent references from standard research publication unless it is of historical importance or a landmark in that field.

Materials and Methods

This part should begin with information relating to period/season/year and place of study, climate or weather conditions, soil type etc. Treatment details along with techniques and experimental design, replications, plot size etc. should be clearly indicated. Use of symbols for treatments may be avoided and an abbreviation should be fully explained at its first mention. Crop variety, methodology for application and common cultivation practices should be mentioned. Known methods may be just indicated giving reference but new techniques developed and followed should be described in detail. Methods can be divided into suitable sub-headings, typed in bold at first level and in italics at second level, if necessary.

Results and Discussion

Results may be reported and discussed together to avoid duplication. Do not mention and recite the data in the text as such given in the table. Instead interpret it suitably by indicating in terms of per cent, absolute change or any other derivations. Relate results to the objectives with suitable interpretation of the references given in the introduction. If results differ from the previous study, suitable interpretation and justification should be given. Repeated use of statements like 'our results are in agreement’ or ‘similar results were reported’ 'should be avoided. At the end of results and discussion, conclusion of the study should be given in 2-3 sentences along with suggestion for further study, if any. All statistical comparisons among treatments may be made at P=0.05 level of probability.

Acknowledgement

The authors may place on record the help and cooperation or any financial help received from any source, person or organization for this study. This should be very brief.

References

Only relevant and recent references of standard work should be quoted. Preference should be given to quote references of journals over proceedings or reports. In general, not more than 15 references should be quoted in full paper and 5 in short communication. However, in review article, emphasis should be given to quote more references with each valid statement/findings in the text. There is no need to give references for standard procedures of soil and plant analysis, and for routine statistical analysis in practice, only the methodology may be indicated. As a thumb rule, all the references quoted in the text must appear at the end of the article and vice-verse. It has been decided to use full name of the journal after the year 2011 onwards. Therefore, references should include names of all authors, year, full title of the article quoted, full name of the journal in italics (no abbreviations), volume number (in Bold), issue number (in brackets) and pages. For books, monographs, theses etc. full title in italics, publisher or university name, volume no., if any, and relevant page range or total no. of pages should be given. The list of references should be arranged alphabetically on author's names and chronologically per author. Author name should be started with surname and initial letter with capital letter. There is no need to separate author's initials by full stop but it should be given in capital letters without gap. Each author name should be separated by comma (,) and last author name by ‘and’. A few examples of correct citation of references for Indian Journal of Weed Science are given below:

Singh Samunder, Punia SS, Yadav A and Hooda VS. 2011. Evaluation of carfentrazone-ethyl + metsulfuron-methyl against broadleaf weeds of wheat. Indian Journal of Weed Science 43(1&2): 12-22.

Neeser C and Varshney Jay G. 2001. Purple nutsedge; biology and principles for management without herbicides, Indian Journal of Pulses Research 14(1): 10-19.

Naseema A, Praveena R and Salim AM. 2004. Ecofriendly management of water hyacinth with a mycoherbicide and cashew nut shell liquid. Pakistan Journal of Weed Science Research 10(1&2): 93-100.

Arya DR, Kapoor RD and Dhirajpant. 2008. Herbicide tolerant crops: a boon to Indian agriculture, pp 23-31. In: Biennial Conference on Weed Management in Modern Agriculture: Emerging Challenges and Opportunities. (Eds. Sharma RS, Sushilkumar, Mishra JS, Barman KK and Sondhia Shobha), 27-28 February 2008, Patna. Indian Society of Weed Science, Jabalpur.

Anonymous. 2006. Long-term herbicide trial in transplanted lowland rice-rice cropping system, pp 62-68. In: Annual Progress Report, AICRP on Weed Control, Tamil Nadu Agricultural University, Coimbatore.

DWSR. 2010. Annual Report, 2010-11, pp 35-37. Directorate of Weed Science Research, Jabalpur.

Gopal B and Sharma KP. 1981. Water hyacinth (Eichhornia crassipes) the most troublesome weeds of the world. Hindasia Publisher, New Delhi, 129 p.

Sushilkumar, Sondhia S and Vishwakarma K. 2003. Role of insects in suppression of problematic alligator weed (Altemanthera philoxeroides) and testing of herbicides for its integrated management. Final Report of ICAR Adhoc Project, 39 p.

For Web references: the full URL should be given and the date when the reference was last accessed. e.g. http://www.faostat.fao.org (accessed 21 May 2019)

Length

Full length manuscript should not exceed 4500 words including space required for figures, tables and list of references. Research note can be up to 2500 words, with not more than 2 figures or tables. One season/year data should invariably be presented as research notes only.

Units, abbreviations and nomenclature

For physical units, unit names and symbols, the SI system should be employed. Biological names should be given according to the latest international nomenclature. Upon its first use in the title, abstract and text, the common name of a weed should be followed by the scientific name (genus, species and authority) in parentheses. If no common name exists in English, the scientific name should be used only. At the first mention of an herbicide or other chemical substance, give its generic name only. Trade names should not be used. Biological and zoological names, gene designations and gene symbols should be italicized. Yield data should be reported in kg/ha or t/ha. All such letters such as viz., et al., in situ, ex situ, Rabi, Kharif, i.e., etc. should be italicized.

Tables and figures

Tables and figures should be concise and limited to the necessary minimum. We encourage the authors to set tables and figures at the appropriate places in the article but if it is not possible, the same may be given separately. The title should fully describe the contents of the table and explain any symbol or abbreviations used in it. The standard abbreviations of the units of different parameters should be indicated in parentheses. Vertical lines should not be given in the tables and horizontal lines should be used to separate parameters and end of the table.

Figures may be preferred in place of table. In no case the same data should be presented by both tables and figures. While presenting data through line graphs, vertical bars, cylinders, pie charts etc, the same should be preferred with black lines or bars having different clear symbols and shades. The graphs chosen with colours reproduce poorly and should not be given unless it became necessary.

Some useful tips

Avoid numerals and abbreviations at the beginning of a sentence. Don't use superscript for per hectare, ton or meter (kg ha-1 or t ha-1) instead use kg/ha or g/m2, t/ha, mg/g, ml/l etc. Prefer to mention yield data in t/ha only. If it becomes necessary, give yield in kg/ha but not in quintal. Don't use lakh, crores or arabs in text, instead give such figures in million. Only standard abbreviations should be used and invariably be explained at first mention. Avoid use of self-made abbreviations like iso., buta., rizo., etc. Don't use first letter capital for names of plant protection chemicals but it should be used for trade names. Use of treatment symbols like T1 T2 T3 etc. should be avoided. All weights and measurements must be in SI or metric units. Use % after double digit figures, not per cent, for example 10% not 10 per cent. In a series of range of measurement, mention the units only at the end, e.g. 3,4,5 kg/ha instead of 3 kg/ha, 4 kg/ha and 5 kg/ha. Nutrient doses as well as concentration in soil and plant should be given in elemental form only, i.e. P and K should not be given as P2O5 K2O. A variety may be mentioned within single quotes in italic such as 'Pusa Basmai', 'Kufri Sinduri' etc. Statistical data should be given in LSD (P=0.05) instead CD (P=0.05).

Authors are requested to see the recent issue of the journal to prepare the manuscript as per the journal's format.

Manuscript submission

Manuscripts must conform to the journal style (see the latest issue). Correct language is the responsibility of the author. After having received a contribution, there will be a review process, before the Chief Editor makes the definitive decision upon the acceptance for publication. Referee's comments along with editors comments will be communicated to authors as scanned copy/soft copy through email. After revision, author should send back the copy of revised manuscripts to the Chief Editor, ISWS by e-mail only.

Editorial Board reserves the right to suitably modify, accept or reject the MS in view on the reviewer's advice.

We encourage submission of paper only by electronically via E-mail as one complete word document file. When preparing your file, please use only Times New Roman font for text (title 16, all heads 14 and text of 12 point, double spacing with 1.5" margin all the sides) and Symbol font for Greek letters to avoid inadvertent character substitutions.

All manuscripts should be submitted Online (http://www.isws.org.in/login_IJWS.aspx). For authors unable to submit their manuscript online

To see sample copy to prepare the manuscript, please Log on: http://www.isws.org.in/IJWSn/Journal.aspx

Peer Review Policy

All published articles in Indian Journal of Weed Science (IJWS) are subjected to rigorous peer review processes based on initial editor screening and anonymized refereeing by two referees. The ultimate purpose of peer review is to sustain the originality and quality of research work and filtration of poor quality and plagiarized articles. Peer review assures research quality.

Paper Publication Process –

  • Manuscripts are received online in the editorial office with the certificate that MS has not been sent for consideration in any other journals for consideration.
  • Manuscripts are checked by office for its style and pattern and for plagiarism. If plagiarism is more than 20%, it is not considered and sent back to author for revision and re-submission.
  • If MS is found fit at Editorial office in context to plagiarism and style and pattern, it is sent to Chief Editor for further processing.
  • If chief Editor find the MS suitable for consideration, he shall suggest two name of referees as reviewers either from editorial board or from other institutions of concern discipline for reviewing the MS.
  • Editorial Office shall send the MS for double blind review to the reviewers suggested by Chief Editor.
  • Comments of double -blind reviewers will be sent to corresponding author without disclosing the identity of the reviewers to address the comments and re-submission of MS.
  • In case, one reviewer rejects while other accept the MS, it is sent to third reviewer suggested by Chief Editor.
  • Revised MS is again sent to reviewers to see whether their comments are addressed suitably.
  • On agreeing by the reviewers, the MS is again sent to Chief Editors with comments of reviewers and reply of author to take the final decision.
  • The final decision of Chief Editor is communicated to authors.

Peer Review Policy

The practice of peer review is to ensure that only good science is published. It is an objective process at the heart of good scholarly publishing and is carried out by all reputable scientific journals. Our reviewers therefore play a vital role in maintaining the high standards of the (Indian Journal of Weed Science) Journal of Management and Research and all manuscripts are peer reviewed following the procedure outlined below.

Initial manuscript evaluation

The Editors first evaluate all manuscripts. In some circumstances it is entirely feasible for an exceptional manuscript to be accepted at this stage. Those rejected at this stage are insufficiently original, have serious scientific flaws, have poor grammar or English language, or are outside the aims and scope of the journal. Those that meet the minimum criteria are passed on to experts for review.

Authors of manuscripts rejected at this stage will be informed within 2 weeks of receipt.

Type of Peer Review

The (Indian Journal of Weed Science) employs double blind review, where the reviewer remains anonymous to the authors throughout the process.

How the reviewer is selected

Reviewers are matched to the paper according to their expertise. Our reviewer database contains reviewer contact details together with their subject areas of interest, and this is constantly being updated.

Reviewer reports

Reviewers are asked to evaluate whether the manuscript:

  • Is original
  • Is methodologically sound
  • Follows appropriate ethical guidelines
  • Has results which are clearly presented and support the conclusions
  • Correctly references previous relevant work

Reviewers are not expected to correct or copyedit manuscripts. Language correction is not part of the peer review process. Reviewers are requested to refrain from giving their personal opinion in the "Reviewer blind comments to Author" section of their review on whether or not the paper should be published. Personal opinions can be expressed in the "Reviewer confidential comments to Editor" section.

How long does the peer review process take?

Typically the manuscript will be reviewed within 2-8 weeks. Should the reviewers' reports contradict one another or a report is unnecessarily delayed a further expert opinion will be sought. Revised manuscripts are usually returned to the Editors within 3 weeks and the Editors may request further advice from the reviewers at this time. The Editors may request more than one revision of a manuscript.

Final report

A final decision to accept or reject the manuscript will be sent to the author along with any recommendations made by the reviewers, and may include verbatim comments by the reviewers.
Chief Editor's Decision is final
Reviewers advise the Editors, who are responsible for the final decision to accept or reject the article.

Special Issues / Conference Proceedings

Special issues and/or conference proceedings may have different peer review procedures involving, for example, Guest Editors, conference organizers or scientific committees. Authors contributing to these projects may receive full details of the peer review process on request from the editorial office.

Becoming a Reviewer for the (Indian Journal of Weed Science)

If you are not currently a reviewer for the (Indian Journal of Weed Science) but would like to be considered as a reviewer for this Journal, please contact the editorial office by e-mail at (editorisws@gmail.com), and provide your contact details. If your request is approved and you are added to the online reviewer database you will receive a confirmatory email, asking you to add details on your field of expertise, in the format of subject classifications.

Editorial Board

Editorial office:

Office Manager, Indian Society of Weed Science, ICAR-Directorate of Weed Research, Maharajpur, Jabalpur, India 482 004

Publisher Address:

Secretary, Indian Society of Weed Science, ICAR-Directorate of Weed Research, Maharajpur, Jabalpur, India 482 004

Principal Scientist
Division of Crop Research
ICAR Research Complex for Eastern Region
Bihar Veterinary College, Patna - 800014 (Bihar)

Chief Editor J.S. Mishra 9494240904 jsmishra31@gmail.com

The University of Queensland
St Lucia QLD 4069, Australia

Associate Editor Bhagirath Singh Chauhan b.chauhan@uq.edu.au

Consultant,
ICRISAT,
International Crops Research Institute for Semi-Arid Tropics
Patancheru, Hyderabad

Associate Editor A.N. Rao 9440372165 adusumilli.narayanarao@gmail.com

Editors

Professor,
Department of Agronomy, CCSHAU,
Hisar-125 004 (Haryana)

Ashok Kumar Yadav 9416995523 aky444@gmail.com

Professor & Head,
Division of Agronomy
FoA, Main Campus,
Chatha, SKUAST-Jammu (J&K)

B.C. Sharma 9419152428 drbhagwati@gmail.com

Principal
Vanavarayar Institute of Agriculture
Affiliated to TNAU)
Manakkadavu, Pollachi-642103 (Tamil Nadu)

C. Chinnusamy 9443721575 chinnusamyc@gmail.com

Scientist,
ICAR - Directorate of Weed Research,
Jabalpur (Madhya Padesh)

Dibakar Ghosh 8989190213 dghoshagro@gmail.com

Principal Scientist
Department of Agronomy,
Assam Agricultural University
Jorhat - 785013 (Assam)

I.C. Barua 9435094326 iswar_barua@yahoo.co.in

Principal Scientist
PJTSAU, Hyderabad-30 (Telangana)

M. Madhavi 9491021999 molluru_m@yahoo.com

Assistant Agronomist
Directorate of Agriculture (Govt. of WB)
Kolkata 700001, West Bengal

Malay Kumar Bhowmick 9434239688 bhowmick_malay@rediffmail.com

Associate Professor
(Soil Science & Agrl. Chemistry)
Anbil Dharmalingam Agricultural College & Research Institute (TNAU),
Trichy (Tamil Nadu)

P. Janaki 9443936160 janakibalamurugan@rediffmail.com

Assistant Chemist (Residue),
Department of Agronomy,
Punjab Agricultural University
Ludhina-141 004 (Punjab)

Pervinder Kaur 9646105418 pervi_7@yahoo.co.in

Sr. Agronomist, Directorate of Extension Education
Punjab Agricultural University
Ludhiana – 141004 (Punjab)

Simerjeet Kaur 9814081108 simer@pau.edu

College of Horticulture,
Vellanikkara. Thrissur – 680 656, (Kerala)

T. Girija 9447004940 girijavijai@gmail.com

Principal Scientist,
Directorate of Maize Research,
Pusa Campus, New Delhi-110012

C.M. Parihar 9013172214 pariharcm@gmail.com

Indexing Indexing & Abstracting Services


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Volume- 48 | Issue-1 (Jan-Mar) | Year 2016

Weed management in conservation agriculture in India
Makhan S. Bhullar, Madhulika Pandey, Sunny Kumar and Gurjeet Gill
Review article | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00001.0 | Volume: 48 Page No:1-12 |
Address & Email | Article preview | View PFD | Download

Abstract:

Conservation agriculture (CA) involves minimum soil disturbance, permanent soil cover through crop residues or cover crops, and crop rotations for achieving higher productivity. Even though the adoption of CA in India is still in an early stage, it has been successfully used in the irrigated rice-wheat cropping systems of the Indo Gangetic Plains (IGP) and recently been demonstrated in parts of central India. Increased weed problems during the ‘transition period’ tends to be the most common hurdle in adoption of CA by farmers. Research has shown that cover crops could play an important role in weed management in CA systems; however, their level of adoption at present is fairly low. Changes in patterns of tillage, planting systems, and other management strategies can alter the soil environment and lead to a major change in weed flora. Herbicide use has been an extremely important component of weed management in CA systems but greater effort is needed to integrate non-chemical weed control tactics with herbicides. Farmer-participatory model of research has proved highly effective in developing CA in rice-wheat system in the IGP. Efforts are required to increase the rate of adoption of direct seeded rice and zero-till wheat throughout the IGP. At present, residue retention on farmer fields tends to be low. Greater awareness of the benefits of residue retention for improved soil health is worthy of an extension campaign in particular and in India in general. Research effort needs to be enhanced to develop CA and promote its adoption in non-rice-wheat cropping systems in India.

Email

bhullarms@pau.edu

Address

Punjab Agricultural University, Ludhiana, Punjab 141004
Weed persistence, crop resistance and phytotonic effects of herbicides in direct-seeded rice
M.M. Mishra, R. Dash and M. Mishra
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00002.2 | Volume: 48 Page No:13-16 |
Address & Email | Article preview | View PFD | Download

Abstract:

Results of experiment conducted during Kharif season of 2010 and 2011 with ten different herbicides and combinations on yield of direct seeded rice revealed that crop resistance index and agronomic management index were maximum in hand weeding treatment followed by fenoxaprop + (chororimuron + metsulfuron) and cyhalofop butyl +(chlorimuron + metsulfuron). Weed persistence index was also maximum in Hand weeding treatment followed by cyhalofopbutyl and pyrazosulfuron. Hand weeding treatment has maximum phytotonic effect followed by fenoxaprop + (chororimuron + metsulfuron) and cyhalofop butyl + (chlorimuron + metsulfuron). Fenoxaprop + (chororimuron + metsulfuron) and cyhalofop butyl + (chlorimuron + metsulfuron) were best herbicides for direct seeded rice from economics and environmental point of view. Fenoxaprop + (chororimuron + metsulfuron) and cyhalofop butyl + (chlorimuron + metsulfuron) have recorded lower persistence of escaped weeds indicating broad spectrum effect in controlling the weeds

Email

mishramm2012@gmail.com

Address

Odisha University of Agriculture and Technology, Bhubaneswar, Odisha 751003
Integrated weed management under modified water regimes in System of Rice Intensification
S. Mohapatra, A.K. Mohanty, S.K. Tripathy, S. Lenka, N. Panigrahy and B.R. Nayak
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00003.4 | Volume: 48 Page No:17-20 |
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Abstract:

A field study was conducted at Chiplima and Sambalpur under West Central Table Land Zone of Odisha during the winter (Rabi) seasons of 2013 and 2014 to evaluate different integrated weed management practices under modified water regimes in rice grown under System of Rice Intensification. Application of 5 cm depth of  irrigation water before the day of weeding operation was effective in increasing  yield significantly (4.72 t/ha) over saturation moisture regime (3.48 t/ha) due to low weed density, weed dry weight and highest number of ear bearing tillers per plant (24) and filled grains/panicle (72). Out of four levels of different weed management systems tested, the application of pretilachlor 750 g/ha (pre-emergence) fb chlorimuron-ethyl + metsulfuron-methyl 4 g/ha (post-emergence) recorded minimum weed density and weed dry weight, higher weed control efficiency and significantly higher grain yield of 5.45 t/ha. The same treatment also recorded highest net return ( 41, 441/ha) and highest B: C ratio (2.17).

Email

sanjukta.mohapatra34@gmail.com

Address

Regional Research & Technology Transfer Station, OUAT, Chiplima, Orissa 768025
Sowing time and weed management to enhance productivity of direct-seeded aromatic rice
Neetu Sharma, Anil Kumar, Jai Kumar, Amit Mahajan and Lobzang Stanzen
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00004.6 | Volume: 48 Page No:21-24 |
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Abstract:

Field experiments were conducted during Kharif 2012 and 2013 sandy clay loam soil to study the effect of times of planting and weed management in direct-seeded aromatic rice in foot hills J&K Himalayas. Results revealed that direct-seeded basmati rice sown on 15th June and 10th July recorded non-significant results with respect to grain and straw yield. Among herbicidal weed management, post-emergence application of bispyribac at 30 g/ha recorded significantly higher grain and straw yield which was at par with post-emergence application of cyhalofop-butyl + 2, 4-D 90 g/ha + 500 g/ha and anilophos + ethoxysulfuron at 375 g/ha + 15 g/ha with B:C ratio of 2.98 and 3.95 during Kharif 2012 and 2013, respectivly. It was owing to higher number of panicles/m2, grains/panicle and 1000-grain weight along with lowest weed density, weed dry matter, higher weed control efficiency and lowest weed index.

Email

hanshunitu77@rediffmail.com

Address

Sher-e-Kashmir University of Agricultural Sciences & Technology Jammu, Jammu & Kashmir 180 009
Development and testing of self-propelled cono-weeder for mechanized rice cultivation
Musthafa Kunnathadi, P.R. Jayan and C.T. Abraham
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00005.8 | Volume: 48 Page No:25-28 |
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Abstract:

Manual cono weeding in rice is a tedious job requiring more labour and energy. An effort was made to develop prototype of a self propelled cono-weeder under the AICRP on Weed Management at the College of Horticulture, Kerala Agricultural University, Vellanikkara, Thrissur with an objective to reduce drudgery involved in manual cono-weeding in rice. Main components of the newly developed self propelled cono-weeder are the main frame, a prime mover, front and rear floats and a rotor. Field experiment was conducted at Pattambi in Palakkad district to study the performance of the prototype in comparison with manual cono weeding and conventional weeding methods in rice. The weed density, weed dry weight and the grain and straw yields of rice at various treatments were observed. It was found that self propelled cono-weeder had a field capacity of 0.1 ha/h at an operating speed of 2.0-3.0 km/h. The weeding efficiency of the unit in rice was at par with that of the manual cono-weeder operated twice at 15 and 30 days after transplanting.

Email

musthaffa.k@kau.in

Address

College of Horticulture, Kerala Agricultural University, Vellanikkara, Thrissur, Kerala 680 656
Response of soil enzymes to elevated CO2 and temperature in weeds associated with rice-wheat cropping system
C. Sarathambal, M. Rathore, D. Jaggi and Bhumesh Kumar
Full length articles | DOI: http://dx.doi.org/ 10.5958/0974-8164.2016.00006.X | Volume: 48 Page No:29-32 |
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Abstract:

Biological properties of the soil have often been proposed as early and sensitive indicators of soil ecological stress or other environmental changes. In the present investigation, the soil samples were collected from weeds associated with rice- wheat cropping system from open- top chambers to assess the effect of elevated CO2 and temperature on soil enzymes. In Rabi season, higher activity of FDA hydrolysis rate was noticed in wild oat with 26.5 (µg fluorescein/g/h) at elevated CO2 + ambient temperature levels. Dehydrogenase activity was higher at enrichment of CO2 for P. minor with 35.9 (µg TPF/g soil/24 h). Urease significantly was higher in enrichment of CO2+ elevated temperature with wild oat 34.6 (µg NH4/g soil/24 h) followed by wheat (31.5µg NH4/g soil/24 h) with elevated CO2 + ambient temperature. In Kharif season, enrichment of CO2 concentration in rhizosphere of Echinochloa crusgalli recorded with higher FDA hydrolysis rate (19.8 µg fluorescein/g/h), dehydrogenase activity (39.8 µg TPF/g soil/24 h) and urease  activity (45.6 µg NH4/g soil/24 h) respectively. We found the carbon dioxide enrichment significantly increased the soil enzymes like dehydrogenase, fluorescein diacetate (FDA) hydrolysis and urease activity in weeds rhizosphere than the crops

Email

saratha6@gmail.com

Address

ICAR-Directorate of Weed Research, Jabalpur, Madhya Pradesh 482 004
Heavy metal extraction by weeds in wheat and cauliflower irrigated with sewage water
P.J. Khankhane and H.S. Bisen
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00007.1 | Volume: 48 Page No:33-36 |
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Abstract:

The weed species emerged in wheat and cauliflower were screened for heavy metal accumulation ability under sewage water contaminated sites in Jabalpur and adjoining areas. It was observed that nearly 2-10 times higher accumulation of DTPA extractable heavy metals, viz. 0.42-6.30 µg/g cadmium, 2.43-24.1       µg/g lead, 3.06-89.43 µg/g copper, 88.9-226 µg/g manganese and 30-200 µg/g iron were recorded in sewage water soils than the tube well irrigated soils containing 0.69 µg/g Cd, 2.85 µg/g Pb, 62.8 µg/g Mn, 7.36 µg/g Cu, and 37.7 µg/g Fe. Relatively crops accumulated metals to lower extent than the weed species. Among weed species, Avena ludoviciana removed higher 69.6-122.3 µg/g manganese and 48.9-104 µg/g copper, Parthenium hysterophorus extracted 1065-2507 µg/g iron whereas Sonchus arvensis extracted 3.07 µg/g cadmium which were higher than the metal hyperaccumulating Brassica juncea (43.5 µg/g Mn, 19.0 µg/g Cu, 1352 µg/g Fe, 1.40 µg/g Cd). Thus, information on the build up of heavy metal concentration in soil and their removal by seasonal weed species grown on sites receiving sewage water indicate risk of metal entry in animal food chain as these weed species except Parthenium are used as a feed for animals. Besides this these weed species can be exploited for phyto-extraction of heavy metals under abiotic stress situation of metalliferrous sites.

Email

pjkhankhane@yahoo.com.ph

Address

ICAR–Directorate of Weed Research, Jabalpur, Madhya Pradesh 482 004
Imidazolinone herbicides for weed control in greengram
Simerjeet Kaur*, Tarundeep Kaur and Makhan S. Bhullar
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00008.3 | Volume: 48 Page No:37-39 |
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Abstract:

A field experiment to study the efficacy of imidazolinone herbicides in greengram was conducted during Kharif seasons of 2012 and 2013. Ten weed control treatments viz. imazethapyr at 50 and 70 g, premix of imazethapyr + imazamox at 60 and 70 g/ha, both applied as post-emergence at 20 days after sowing; pendimethalin 1000 g and premix of pendimethalin + imazethapyr at 800, 900, 1000 g/ha, both applied as pre-emergence, along with two hand weedings and weedy check were evaluated. Imazethapyr alone and its premixes with pendimethalin and imazamox recorded effective control of mixed weed flora and produced significantly higher greengram seed yield than weedy check. Pendimethalin alone did not control Commelina benghalensis and recorded lower seed yield. All the herbicides were safe to crop.

Email

simer@pau.edu

Address

Department of Agronomy, Punjab Agricultural University, Ludhiana, Punjab 141 004
Pre- and post-emergence herbicides for weed control in greengram and their residual effect on succeeding crops
B.D. Patel, D.D. Chaudhari, V.J. Patel and R.B. Patel
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00009.5 | Volume: 48 Page No:40-43 |
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Abstract:

Comparative efficacy of pre- and post-emergence herbicides in greengram and their residual effect on succeeding crops was studied during Kharif season of the year 2011-2013. Inter-culturing and hand weeding carried out at 20 and 40 DAS produced the lowest weed dry weight with higher weed control efficiency. Among herbicidal treatments, pre-emergence application of pendimethalin at 500 g/ha or imazethapyr 75 g/ha followed by interculturing and hand weeding at 30 DAS proved to be efficient in reducing weed dry weight with more than 70% of weed control efficiency and recorded higher seed and haulm yield of greengram. Further, it was observed that none of the herbicides applied at tested rates had adverse effect on succeeding wheat, chickpea and mustard crops.

Email

bdpatel62@yahoo.com

Address

B.A. College of Agriculture, Anand Agricultural University, Anand, Gujarat 388 110
Intercropping and weed management effects on weed dynamics, productivity and economics of pigeonpea
Chunni Lal Rai, R.K. Tiwari1, Pawan Sirothia and Shailesh Pandey
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00010.1 | Volume: 48 Page No:44-47 |
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Abstract:

A field experiment was conducted to study the weed dynamics, productivity and economics of pigeonpea [Cajanus cajan (L.) Millsp.] under intercropping and weed management practices under rainfed. Among intercropping systems, greengram and blackgram were planted in paired row (2:2) system at 30/90 cm row spacing in main plots and six weed management treatments include pre-emergence herbicides (pendimethalin and oxiflourfen), post-emergence herbicide (imazethapyr) and their combinations in sub plots. Both the intercropping systems (pigeonpea + greengram or pigeonpea + blackgram) recorded higher Crop Equivalent Yield (CEY) (1.23 to 1.36 t/ha), Land Equivalent Ratio (LER) (1.6) and B: C ratio (2.5 - 2.7) than sole pigeonpea. Among herbicide treatments significantly higher weed controlling efficiency was recorded in pendimethalin + imazethapyr and oxyflourfen + imazethapyr (90.6 - 91.5%) as compared to pendimethalin or oxiflourfen or imazethapyr (72.1 - 84.6%).

Email

chunnirai_223@rediffmail.com

Address

Department of Natural Resource Management, Mahatma Gandhi Chitrakoot Gramodaya Vishwa Vidhyalaya, Chitrakoot, Satna, Madhya Pradesh 485 780
Herbicide combinations for control of complex weed flora in garden pea
Anil Kumar Mawalia, Suresh Kumar and S.S. Rana
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00011.3 | Volume: 48 Page No:48-52 |
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Abstract:

A field experiment was carried out with twelve weed control treatments during the winter season of 2012-13 and 2013-14 on a silty clay loam soil to evolve an effective herbicide combination to control the complex weed flora in garden pea. Phalaris minor (28.8%), Alopecurus myosuroides (21.3%), Avena ludoviciana (15.8%), Lolium temulentum (12.1%) and Vicia sativa (16.7%) were found major weeds in experimental area. Pendimethalin 1000 g/ha supplemented with one HW at 45 DAS being statically at par to the application of pendimethalin 1000 g/ha (pre) fb imazethapyr + imazamox 60 g/ha (post) significantly reduced the density of major weeds. In general, the efficacy of the formulated mixtures whether as double knock or as a sole application was found better than the sole application of herbicides. Pendimethalin 1000 g/ha fb one HW and pendimethalin 1000 g/ha fb imazethapyr + imazamox 60 g/ha being statistically alike with weed free resulted in significantly higher number of nodules, green pod yield and straw yield.

Email

mawaliaak@gmail.com

Address

CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur, Himachal Pradesh 176 062
Bioprospecting medicinal potential of three widespread weeds from Pakistan
Naila Safdar, Sughra Batool, Saima Tufail, Nousheen Masood, Rubab Zehra and Azra Yasmin
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00012.5 | Volume: 48 Page No:53-59 |
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Abstract:

Present study was carried out to explore the antibacterial potential of three weeds Mazus japonicus, Fumaria indica and Vicia sativa grown widely in Pakistan. Different extracts (aqueous, methanolic and petroleum ether) of the respective weeds were prepared and tested against nine bacterial strains using agar well diffusion assay. Bacterial strains included both gram positive (Staphylococcus aureus, Bacillus sp, Bacillus megaterium, Enterococcus faecium, Enterrococcus faecalis and Enteroccocus sp) and gram negative (Pseudomonas putida, Escherichia coli and Escherichia coli top10) bacteria. Ten different concentrations of each extracts were used. Enterococcus faecalis JH22 and Bacillus megaterium MB141 were the most resistant bacteria while Escherichia coli top10 was found highly susceptible and inhibited by all three extracts of M. japonicas and F. indica. Vicia sativa was effective only against Staphylococcus aureus and Pseudomonas putida at limited crude extract concentration while all other strains showed resistance against different extracts of the respective plant. Amongst the plant extracts screened for antibacterial activity, methanolic extracts showed best antibacterial activity whereas aqueous and petroleum ether were found least active. This study significantly supports the usage of these widespread weeds as traditional medicines for various bacterial infections.

Email

azrayasmin@fjwu.eu.pk

Address

Department of Environmental Sciences, Fatima Jinnah Women University, Rawalpindi, Pakistan
Herbicide combinations for weed management in transplanted rice
K. Sreelakshmi, R. Balasubramanian, R. Babu and K. Balakrishnan
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00013.7 | Volume: 48 Page No:60-63 |
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Abstract:

A field experiment was conducted during 2012-13, to study the effect of herbicides applied in mixture and sequence for managing complex weed flora in transplanted rice. Among the herbicides applied, bispyribac-Na applied in combination with almix as tank mixture recorded the least weed count, weed dry matter and highest WCE. Significantly higher yield attributes, viz. number of grains/panicle and grain yield were also recorded when bispyribac-Na and metsulfuron-methyl + chlorimuron-ethyl were applied as tank mixture. Pre-emergence application of pretilachlor fb post-emergence application of metsulfuron-methyl + chlorimuron-ethyl and hand weeding twice at 25 and 45 DAT were also equally effective. Application of pre- and post-emergence herbicide alone were found to be less effective in reducing weed density and weed dry matter.

Email

cheeku4sree@gmail.com

Address

Agriculture College and Research Institute, Tamil Nadu Agricultural University, Madurai, Tamil Nadu 625 104
Optimization of suitable weed management practices for aerobic rice
Pintu Mewada, S.K. Chaudhary, Anoop Kumar Rathore and Y. Singh2
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00014.9 | Volume: 48 Page No:64-66 |
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Abstract:

A field experiment was carried out at the Agricultural Research Farm, Rajendra Agricultural University, Pusa, Samastipur, Bihar (India), during Kharif season of 2012. The experiment involved 14 weed management treatments laid out in randomized block design with three replication. The highest grain yield (3.95 t/ha) was recorded with hand weeding twice at 20 and 40 DAS and lowest under weedy check (1.73 t/ha). Similar trend was observed in straw yield. Among different combination of herbicides, application of pretilachlor at 750 g/ha at 1 DAS fb azimsulfuron at 35 g/ha at 20 DAS was the best combination and comparable with hand weeding. Maximum weed control efficiency and weed control index were recorded under treatment hand weeding twice at 20 and 40 DAS and minimum under weedy check. However, weed density and weed dry weight were found maximum under weedy check and minimum with hand weeding twice at 20 and 40 DAS.

Email

anprathore@gmail.com

Address

Department of Agronomy, Rajendra Agricultural University, Pusa, Bihar 848 125
Weed management in maize
Sheela Barla, R.R. Upasani, A.N. Puran and R. Thakur
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00015.0 | Volume: 48 Page No:67-69 |
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Abstract:

A field experiment was conducted on sandy loam soil of Birsa Agricultural University, Ranchi during rainy season of 2014 to evaluate the performance of weed-control methods on weed dynamics and productivity of maize. The experiment was laid out in randomized block design with 12 treatment in three replication.  Application of atrazine + pendimethalin 0.50 + 0.50 kg/ha as pre-emergence similar to two hand weeding at 20 and 40 DAS recorded reduced weed density dry matter accumulation compared to weedy check at 30 and 60 days after sowing. These resulted significantly increase in plant height, number of grains per cob, 100-seed weight as well as 65.6% significantly higher grain yield (3.80 t/ha) as compared to weedy check (1.309 t/ha), consequently maximum net return (  53492/ha) and benefit: cost ratio (3.57) than rest of the treatments.

Email

sheela.barla123@gmail.com

Address

Department of Agronomy, Birsa Agricultural University, Ranchi, Jharkhand 834 006
Bioefficacy and phytotoxicity of pre- and post-emergence herbicides in grain sorghum
J.S. Mishra, V.P. Singh and S.S. Rao
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00016.2 | Volume: 48 Page No:70-73 |
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Abstract:

Bio-efficacy and phytotoxicity of pre-emergence tank mix application of atrazine + pendimethalin, pendimethalin + imazethapyr, ready mix application of pendimethalin+ imazethapyr (Velore), imazethpyr + imazamox (Odessey), penoxsulam, and post-emergence application of penoxsulam, atrazine, imazethapyr  and  imazethpyr + imazamox along with standard pre-emergence herbicide atrazine were evaluated at ICAR-Indian Institute of Millet Research, Hyderabad during rainy season of 2014. The field was dominated with broad-leaved weeds (65.8%) followed by grasses (26.3%) and sedges (7.9%). Infestation of weeds throughout the cropping season caused 37 % reduction in grain yield. Post-emergence (15 DAS) application of imazethapyr and  velore herbicides was highly phytotoxic and caused complete mortality of both sorghum plants and weeds at 2 weeks after herbicide application. Tank mix application of atrazine + pendimethalin (500 + 750 g/ha) as pre-emergence was safe and most effective in sorghum. Atrazine as post-emergence was less effective than its pre-emergence application. New herbicide molecules viz., penoxsulam, velore and odessey, though effectively controlled the weeds but reduced the grain yield due to reduction in number of grains/panicle.

 

 

Email

jsmishra31@gmail.com

Address

ICAR-Indian Institute of Millets Research, Hyderabad, Telangana 500 030
Weed management in rainfed finger millet
M.D. Tuti, Sher Singh, B.M. Pandey, J.K. Bisht and A. Pattanayak
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00017.4 | Volume: 48 Page No:74-75 |
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Abstract:

A field experiment was conducted during rainy season of 2014 at Experimental Farm, Hawalbagh, Almora, to know the effect of weed management practices on weed index and grain yield of rainfed finger millet. All the weed control measures significantly reduced total weed dry weight and weed index as compared to that of weedy check. Manual weeding at 20 and 40 DAS (5.6 g/m2) significantly lowered the total weed dry weight followed by manual weeding at 20 DAS (7.4 g/m2). Weed dry matter recorded in weed wiper treated plots were at par with pre-emergence pendimethalin at 1 kg/ha and post-emergence 2,4-D at 1 kg/ha. Apart from weed free check highest weed index was found in manual weeding at 20 and 40 DAS (82.0%) followed by manual weeding at 20 DAS (68.5%). Grain yield was significantly higher in hand weeding twice (2200 kg/ha) followed by weeding once (2.02 t/ha). The highest B:C ratio was in manual weeding at 20 DAS (1.39).

Email

mangaldeep2t@rediffmail.com

Address

ICAR-Vivekananda Parvatiya Krishi Anusandhan Sansthan, Almora, Uttarakhand 263 601
Post-emergence herbicides for weed control in blackgram
Hemlata Nirala, Anamika Sonit and A.L. Rathore
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00018.6 | Volume: 48 Page No:76-78 |
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Abstract:

Experiment was conducted in the Research cum Instructional Farm, Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh during Kharif season 2009. The treatment comprised of 14 weed management practices and blackgram variety “TU 94-2”. The results revealed that higher plant population, plant height, number of leaves, number of branches, dry matter accumulation, number of nodules, dry weight of nodules, crop growth rate, seed yield, weed growth rate, weed control efficiency and harvest index were obtained under hand weeding twice (20 and 40 DAS), followed by imazethapyr at 25 g/ha pre-emergence and minimum was obtained under unweeded check.

Email

hemlatanirala@gmail.com

Address

Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh 492 012
Management of complex weed flora in chickpea
Mamta Dewangan, A.P. Singh, Tapas Chowdhury, Diproshan and Bhujendra Kumar
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00019.8 | Volume: 48 Page No:79-82 |
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Abstract:

A field experiment was conducted during Rabi season of 2013-14 at Indira Gandhi Krishi Vishwavidyalaya, Raipur (C.G.) to find out efficient herbicide combinations for weed management in chickpea. Further, significantly higher growth characters viz. plant height, number of branches, dry matter accumulation as well as yield attributes, seed yield, stover yield and harvest index were recorded under hand weeding twice at 25 and 45 DAS, which was at par with tank mix PE application of oxyfluorfen + metribuzin at 125 + 350 g/ha and registered an yield increase of 74.36 and 73.1%, respectively, over control. Metribuzin at 250 g/ha applied at 20 DAS and oxyfluorfen at 125 g/ha applied at 12 DAS showed phytotoxic effects on chickpea plants and recorded reduction in yield of 62.26 and 53.2%, respectively, over hand weeding twice at 25 and 45 DAS. Economics in terms of net return and B:C ratio recorded maximum under oxyfluorfen + metribuzin at 125 + 350 g/ha as PE. Dehydrogenase enzyme activity of experimental field was significantly maximum under control plot, followed by hand weeding twice at 25 and 45 DAS.

Email

mamtadewanganigkv@gmail.com

Address

Department of Agronomy, Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh 492 012
Integrated weed management for improved yield of soybean
Sudha Patel, Rajni Kokni, M.B. Dhonde and A.B. Kamble
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00020.4 | Volume: 48 Page No:83-85 |
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Abstract:

A field experiment was carried out on the silty clay soil at Mahatma Phule Krishi Vidyapith, Rahuri (Maharastra) during Kharif 2013-2014. One hoeing at 15 DAS and two hand weeding at 25 and 45 DAS best treatment in respect of growth attributing character and yield attributing characters. The weed dry matter and intensity was also lowest in one hoeing at 15 DAS and two hand weeding at 25 and 45 DAS, which was followed by pre-emergence application of  metribuzin at 2 DAS at 525 g/ha + 1 HW at 30 DAS, PE application of treatment pendimethalin at 20 DAS cs at 677.25 g/ha + 1 HW at 30 DAS, metribuzin at 525 g/ha  fb imazethapyr + propaquizafop-ethyl as post-aplication at 20 DAS at 80 + 60 g/ha. Metribuzin at 525 g/ha + 1 HW at 30 DAS was economic viable due to high B: C ratio and net return.

Email

sudhapatel255@gmail.com

Address

Department of Agronomy, Mahatma Phule Krishi Vidyapeeth, Rahuri, Maharashtra 413 722
Efficacy of chlorimuron for controlling weeds in soybean
Bhawana Saharan, Girish Jha, A.K. Jha and Pratik Sanodiya
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00021.6 | Volume: 48 Page No:86-89 |
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Abstract:

The field was infested with monocot weeds like Echinochloa colona, Cyperus iria whereas dicot weeds Alternanthera philoxiroides, Eclipta alba, Commelina benghalensis and Phyllanthus niruri were less dominant in soybean. The application of Chlorimuron-ethyl 24 g/ha as early post-emergence along with mechanical weeding was most effective in paralyzing the weed growth to that of chlorimuron-ethyl (12, 24, 36, 48 and 72 g/ha) and mechanical weeding at 20 DAS. The application of chlorimuron-ethyl herbicide at 24 g/ha as early post-emergence along with mechanical weeding was significant superior for growth parameters, yield attributes and seed yield (1.61 t/ha) of soybean than rest of the treatments without any phytotoxicity on soybean plants and was found more remunerative in terms of NMR (Rs  20023.8) and B-C ratio (2.06) than application of chlorimuron-ethyl herbicide at 12 g/ha to 72 g/ha, as early post-emergence. Two hand weedings (20 and 40 DAS) proved to be the best in terms of yield (1.69 t/ha grain, 3.49 t/ha stover); however, NMR (Rs 20011.7/ha) was almost at par to chlorimuron 24 g along with mechanical weeding (Rs 20023.8/ha).

Email

bhawanasaharan@gmail.com

Address

Department of Agronomy, Jawaharlal Nehru Krishi Vishwavidalaya, Jabalpur, Madhya Pradesh 482 004
Effect of weed control on growth and productivity of soybean
Naresh Kumar Sharma, S.L. Mundra and Sontara Kalita
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00022.8 | Volume: 48 Page No:90-92 |
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Abstract:

A field experiment was carried out at research farm of Rajasthan College of Agriculture, Udaipur during Kharif 2014 in randomized block design (RBD) with 14 treatments pre-emergence application of pendimethalin 0.75 kg/ha + hand weeding 30 DAS resulted broad spectrum of weed control besides gives higher grain yield. This weed management method found to be promising to control weeds of soybean crop and would play an important role in areas where labour is too expensive and time is a constraint.

Email

nareshrca123@yahoo.com

Address

Rajasthan College of Agriculture, Maharana Pratap Agricultural University and Technology, Udaipur, Rajasthan 313 001
Weed management with pre- and post-emergence herbicides in linseed
Devendra, Namrata Jain and Vinamarta Jain
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00023.X | Volume: 48 Page No:93-94 |
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Abstract:

Field experiment was conducted at Research farm, College of Agriculture, JNKVV, Tikamgarh during Kharif 2013-14 to study the effect of herbicides for controlling weeds in linseed. There was prevalence of dicot weeds in experimental field as these weeds constituted the higher relative density (67.8%) at harvest as compared to monocot weeds which had only 18.04% relative density. On the basis of results, it can be concluded that hand weeding twice at 20 and 40 DAS recorded significantly the lowest weed density as well as weed dry weight followed by pre-emergence application of pendimethalin at 1.0 kg + imazethapyr at 1.0 kg/ha. The seed and straw yields of linseed was significantly higher under twice hand weeding at 20 and 40 DAS followed by pre-emergence application of pendimethalin at 1 kg/ha + imazethapyr at 1 kg/ha, pendimethalin at 0.75 kg/ha + imazethapyr at 1.0 kg/ha and post-emergence application of imazethapyr at 100 g/ha. The highest net monetary return obtained with twice hand weeding whereas the B:C ratio was the highest with the application of imazethapyr at 100 g/ha followed by imazethapyr at 75 g/ha.

Email

j_namrata1@rediffmail.com

Address

College of Agriculture,Jawaharlal Nehru Agricultural University, Tikamgarh, Madhya Pradesh 472 001
Chemical weed management in castor
K. Kalaichelvi and G. Senthil Kumar
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00024.1 | Volume: 48 Page No:95-96 |
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Abstract:

A field experiment was conducted to study the effect of early post-emergence herbicide namely chlorimuron-ethyl and quizalofop-ethyl on weeds in castor and also to evaluate its weed control efficiency over hand weeding and power operated weeding. It was revealed that pre-emergence application of pendimethalin at 1.0 kg/ha followed by mechanical weeding twice at 20 and 40 DAS has recorded lower weed density with higher weed control efficiency. Mechanical weeding twice, pre-emergence application of pendimethalin followed by chlorimuron-ethyl at 0.01 kg/ha or mechnical weeding twice on 20 and 40 DAS have recorded higher yield and economics. Mechanical weeding twice (2.58 kg/ha), pre emergence application of pendimethalin at 1.0 kg/ha followed by mechanical weeding twice at 20 and 40 DAS (2.57 kg/ha) or post-emergence application of chlorimuron-ethyl at 0.01 kg/ha (2.47 kg/ha) have recorded numerically higher yield and B:C ratio.

Email

kalaiagronomy@gmail.com

Address

Department of Pulses, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu 641 003
Post-emergence herbicides for weed control in sesame
Sourav Gupta and S.S. Kushwah
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00025.3 | Volume: 48 Page No:97-98 |
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Abstract:

On the basis of above findings, it may be concluded that treatment Two hand weeding at 20 and 40 DAS, followed by treatment Propaquizafop 10% EC (PoE) 50 g/ha are most effective and remunerative weed control practices for controlling the weeds in sesame under sandy clay loam soils of Northern M.P.. The higher grain yield and net return were obtained from treatment two hand weeding at 20 and 40 DAS.

Email

souravgupta654@gmail.com

Address

Rajmata Vijayaraje Scindia Krishi Vishwa Vidyalaya, Gwalior, Madhya Pradesh 474002
Energy usage and economic analysis of cotton under various weed management practices
P. Leela Rani, M. Yakadri, N. Mahesh and P. Spandana Bhatt
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00026.5 | Volume: 48 Page No:99-101 |
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Abstract:

The objective of energy usage and benefit-cost analysis of Bt cotton was to determine the energy efficiency indices under different weed management practices in Bt cotton. The field experiment was carried out at college farm, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad during Kharif, 2014 with ten weed management practices. The inputs in the calculation of energy usage in agro-ecosystems embraced labour, machinery, electricity, diesel oil, fertilizers, herbicides, pesticides, seeds, while seed cotton was included in the output. The results depicted that total input and output energy under different weed management practices were about 16051 to 18550 and 2360 to 16838 MJ/ha, respectively. Out of all the treatments tested the highest energy use efficiency (0.9), energy intensiveness (0.7 MJ/), specific energy (12.9 MJ /kg), energy productivity (0.9 kg/MJ), net energy       (-1712 MJ/ha) of Bt cotton production system were reported in mechanical weeding thrice at 20, 40 and 60 DAS. However the lowest energy intensiveness of 0.5 MJ per rupee was reported in pre emergence application of pendimethalin at 1000 fb 2 HW at 20 and 50 DAS treatment.

Email

leelagro@gmail.com

Address

Professor Jayashankar Telangana State Agricultural University, Rajendra Nagar, Hyderabad 500 030
Integrated weed management in cumin
Lokendra Birla, I.S. Naruka, R.P.S Shaktawat and S.r. Ajnave
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2016.00027.7 | Volume: 48 Page No:102-104 |
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Abstract:

A field experiment was conducted during 2013-14 at Research Farm, College of Horticulture, Mandsaur (Madhya Pradesh) to study the weed management practices in cumin. Twelve weed management treatments were laid in randomized block design with three replications. Weed free treatment recorded significant maximum growth and yield attributes of cumin followed by oxadiargyl at 0.06 kg/ ha (PE) fb two hand weeding at 40 and 60 DAS. Similarly, significant maximum seed yield (595 kg/ha), straw yield (900 kg/ha) and harvest index (39.7%) was observed with oxadiargyl at 0.06 kg/ha as pre-emergence fb two hand weeding at 40 and 60 DAS. Maximum weed population was measured in case of weedy check, which was followed by hand weeding (40 DAS) at all the growth stages of cumin. It may be concluded that application of oxadiargyl at 0.06 kg/ha as pre-emergence fb two hand weeding at 40 and 60 DAS may be use for higher yield of cumin.

Email

rpssbkn@yahoo.co.in

Address

Department of Plantation, Spices, Medicinal and Aromatic Crops, College of Horticulture, Mandsaur, Madhya Pradesh 458 001


| DOI: | Volume: 48 Page No:105-107 |
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