50%双氟磺草胺·氟唑磺隆WDG防除春小麦田杂草效果试验

Efficiency and Safety of Florasulam·Fluearbazone 50% WDG on Controlling Broad Leafweed in Field of Spring Wheat

50%双氟磺草胺·氟唑磺隆水分散粒剂是防除春小麦田间杂草的新型除草剂，为明确其田间使用的除草效果以及对春小麦的安全性，特进行了田间药效试验。结果表明，50%双氟磺草胺·氟唑磺隆水分散粒剂在春小麦田间应用，能有效防除多种1a生阔叶杂草，使用剂量以75～90mL/hm^2为宜，在春小麦3～5叶期、双子叶杂草2～8叶期兑水300kg/hm^2茎叶喷雾。且对供试春小麦品种互麦14号安全，使用后增产4.78%～7.04%。

Florasulam · Fluearbazone 50% WDG is a new herbicide for controlling weeds in spring wheat fields.Field trial was conducted in order to clarify its effect of weed controlling and safety to the spring wheat.The result showed that Florasulam · Fluearbazone 50% WDG control could effectively several kinds of broadleaf weeds,its normal dosage was 75~90mL/hm^2 in the term of 3~5 leaves and broadleaf at 2~8 leaves with 300kg water.Applied Florasulam · Fluearbazone 50% WDG was safety to the spring wheat vari-ety Hu-mai 14 and the yield of wheat were increased by 4.78%~7.04% than ck.