60%硝磺草酮·氯氟吡氧乙酸异辛酯·莠灭净可湿性粉剂防除蔗田杂草的药效试验

Effects of 60%Mesotrione·fluroxypyr·ametryn WP on Controlling Weeds in Sugarcane Field

对60%硝磺草酮·氯氟吡氧乙酸异辛酯·莠灭净可湿性粉剂进行了蔗田1年生杂草的防效试验,以明确其防除效果、使用剂量及对甘蔗的安全性。结果表明,药后15d、30d,60%。硝磺草酮·氯氟吡氧乙酸异辛酯·莠灭净可湿性粉剂对蔗田1年生杂草具有优良的株防效和鲜重防效,对甘蔗安全,推荐制剂用量为1200~2800g·hm^(-2),在杂草3~4叶期时进行定向茎叶喷雾,使用效果最佳。

The control effect of 60%mesotrione·fluroxypyr·ametryn WP on annual weeds in sugarcane field was tested to determine its control effect,dosage and safety on sugarcane.The results showed that at 15d and 30d after treatment,60%mesotrione·fluroxypyr·ametryn WP had excellent plant and fresh weight control effect on annual weeds in sugarcane field,and it was safe to sugarcane.The recommended dosage was 1200~2800g/hm^(2),and the best effect was obtained when the weeds were at 3~4 leaf stage.