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WEEDS IN GREEN GRAM CROP (Vigna mungo L. Hepper) , AS AFFECTED BY THE RESIDUES OF HERBICIDES USED WITH SPRING CORN Zea mays L | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 4, Issue 16, 2011, Pages 0-0 | ||
| Authors | ||
| ; D. S. Al | ||
| Abstract | ||
| To study the growth of weed plants in green gram (Vigna mungo L. Heppers) field affected by the residues of some herbicides used on spring corn (Zea mays L.), field trial were conducted in the northern Haronia– Mugdadiah– Dialah. The herbicidal treatment applied on spring corn were as follows: Preemergence and postemergence applications of isoxafluatol postemergence applications of prosulfuron, preemergence application of Lumaxc (at 2 rates for each) and preemergence application of atrazine (at 1 rate). Weedy and weed free treatments were also included. Data on injury, density, and percentage of control of weeds were recorded at 1, 2, 3, and 6 weeks after planting and at and after harvest time of green gram . The results revealed that the herbicidal residues had a significant effects on density and percentage of control of weeds, atrazine at a rate of 3 kg/ha gave the highest effect on weeds at 1and 2 weeks after planting. The highest effect on weeds at 2, 3 and 6 week after planting and at harvest time, were also for Lumax (4.5 l/ha, preemergence). | ||
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