[目的]筛选出对冬小麦田阔叶杂草防除效果较好的除草剂.[方法]用3种除草剂播后苗前土壤封闭处理或返青期茎叶喷雾处理.[结果]土壤封闭处理后165d,360 g/L吡氟酰草胺·氟噻草胺·呋草酮悬浮剂432g a.i./hm2用量的播后苗前土壤封闭处理对荠菜、播娘蒿的株防效和鲜质量防效均为100.00％,对婆婆纳、猪殃殃的株防效和鲜质量防效均高于90.00％,返青期茎叶喷雾处理对播娘蒿的株防效和鲜质量防效分别为0和25.13％.[结论]360 g/L吡氟酰草胺·氟噻草胺·呋草酮悬浮剂432 g a.i./hm2播后苗前土壤封闭处理对冬小麦田阔叶杂草除草效果较好,可以在生产上推广应用.
Control Effects of Diflufenican·Flufenacet·Flurtamone 360 g/L SC on Broadleaf Weeds in Winter Wheat Field with Soil and Foliar Treatment
[Aims] The paper aims to screen out effective herbicides to control broadleaf weeds in wheat field.[Methods] Three different herbicides were used for soil or foliar treatment.[Results] When the application rote was 432 g a.i./ha,the quantity and fresh weight control effects of diflufenican ·flufenacet·flurtamone 360 g/L SC on Capsella bursa-pastoris M.and Descurainia sophia L.at 165 d after soil treatment were both 100.00％,the quantity and fresh weight control effects on Veronica didyma T.and 6alium aparine L.were both above 90％,the quantity and fresh weight control effects with foliar spray on D.sophia L.were 0 and 25.13％,respectively.[Conclusions] The control effect of diflufenican· flufenacet· flurtamone 360 g/L SC 432 g a.i./ha with preemergence soil treatment was best,and the herbicide was worth being applied in production.
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