摘要
采用田间小区试验的方法,进行了7%炔草酯·双氟磺草胺可分散油悬浮剂对冬小麦田杂草防除效果和对小麦安全性的研究。结果表明,7%炔草酯·双氟磺草胺可分散油悬浮剂对冬小麦田播娘蒿、荠菜、看麦娘等杂草均有较好的防除效果,药后40 d对杂草总体株防效在92%以上、鲜重防效在93%以上,优于单个对照药剂,而且对小麦安全性较好。
The field plot test method was used to analyze control effect and safety of 7% clodinafop-propargyl·florasulam OD on weeds in winter wheat field.The results showed that,the 7% clodinafop-propargyl·florasulam OD had good control effect on Descurainia sophia(L.)Webb. ex Prantl,Capsella bursa-pastoris Medic.,Alopecurus aequalis Sobol.,and the plant control effect and fresh weight control effect in 40 days after treatment were higher than 92% and 93%,respectively,better than those of single control agent,furthermore it was safe to wheat.
引文
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