40%乙草胺·扑草净悬浮乳剂防除棉花田杂草田间试验

Field Trial of Acetochlor+Prometryne 40 SE Against Weeds of Cotton Field

研究了40%乙草胺·扑草净悬浮乳剂对棉花田杂草防除效果,同时研究了该剂对棉花品质的影响。试验结果表明,40%乙草胺·扑草净悬浮乳剂对棉花田杂草具有良好的控制效果,200～250mL/667m2用药后50d对杂草株防效和鲜重防效都在94%以上。试验还表明,40%乙草胺·扑草净悬浮乳剂对棉花品质没有不良影响。

The controling effect of cetochlor＋prometryne 40% SE to weeds of cotton were studied. At the same time, the influence of facetochlor ＋prometryne 40% SE to the quality of cotton were investigated. The test result showed that acetochlor＋prometryne 40% SE had excellent effect against weeds of cotton fields. After 50 days of dosage being 200 to 250 mL/667m^2, the controling effects of strain and flesh weight were higher than 94%. The result also showed that acetochlor ＋prometryne 40% SE had no influence to the quality of cotton.