15炔草酯WP防除冬小麦田杂草田间药效试验

摘要

In order to confirm the efficacies against weeds in winter wheat field, the safety to wheat and application technologies of clodinafop-propargyl 15% WP, field trials were carried out, which was made by Shenyang research institute of chemical industry Co., Ltd. The results showed that clodinafop-propargyl 15%WP had good control effect to annual gramineous weeds, and had no significant effect on wheat growth. Clodinafop-propargyl 15% WP could be sprayed in the 5-6 leaf stage of winter wheat or 3-5 leaf stage of gramineous weeds with the active ingredient dosage of 45-60 g/hm2.%为了明确15%炔草酯WP (沈阳化工研究院有限公司)对冬小麦田杂草的防除效果、对冬小麦的安全性及使用技术，进行了田间小区试验。结果表明：15%炔草酯WP对小麦田禾本科杂草具有很好的防效，并对小麦生长发育无明显影响。田间应用以45～60 g/hm2的有效成分用量于冬小麦5～6叶期、禾本科杂草3～5叶期茎叶喷雾处理效果较好。