摘要
田间试验结果表明 ,75 %巨星干燥悬浮剂对春小麦田双子叶杂草有良好的防除效果。使用剂量 15～ 18g/hm2 ,于小麦 3～ 4叶 1心期 (双子叶杂草 2～ 4片 (轮 )叶期 ) ,对水 2 2 5kg喷施 ,对作物安全 ,除草效果达 90 %以上 ,优于 72 % 2 ,4-滴丁酯 75 0ml/hm2 的除草效果。
Dry powder of tribenuron-methyl (trade name:Express) had a good effect to control the dicotyledonous weed in spring wheat field.15～18g/ha was applied during 3～4 leaves period at spring wheat field with 225kg water.The control effect was above 90% and better than that of 72%2,4-D with 750ml/ha.
出处
《农药》
CAS
北大核心
2000年第3期35-36,共2页
Agrochemicals
关键词
75%巨星
除草效果
小麦
安全性
tribenuron-methyl,control effect,safety of wheat.
