66%乙·嗪·滴丁酯微乳剂防除春大豆田杂草安全性及药效试验

Efficacy and Security Test of 66% Acetochlor·Metribuzin·Butylate Micro-Emulsion for Controlling Weeds in Spring Soybean Field

66%乙·嗪·滴丁酯微乳剂是三元复配混剂,在春大豆田播后苗前进行土壤均匀喷雾,对大豆出苗及生长安全,药后40d对一年生禾本科及阔叶杂草的株防效均大于90%,鲜重防效均大于95%,并且持效期长达45d以上。

66% Acetochlor. Metribuzin＂ Butylate Micro-Emulsion is a ternary compound mixture, which was sprayed in the soil of spring soybean before seedling after sowing, and was safety on emergence and growth of soybean. On the 40 d after spraying, the preventing control effect of annual grass and broadleaf weeds is greater than 90% for each plant, the preventing control effect is greater than 95% for fresh weight, and persistent period was over more than 45 d.