Cane yield, Chemical control, Herbicides, Sugarcane, Weed density

A field experiment was conducted at the research farm of the General Company for industrial crops in the province of Tikrit (Dhuluiya), Iraq to evaluate chemical herbicides, viz. fluazifop-butyl, glyphosate, paraquat and Chevalier in sugarcane variety ‘QD12’. Results showed that use of paraquat helped in controlling weeds to the extent of 86.8% over weedy check. As a result, weed density was very less and reduction in dry weight of green weeds was up to 87.7%. The number of canes increased by 20.5%, green leaves by 56% and leaf area by 45%, which was reflected in the highest increase in cane yield (44.9%). Cane length and diameter were not significantly affected by herbicide application.