摘要
利用30%甲基磺草酮.乙草胺悬浮剂在玉米田进行除草试验,从除草效果、安全性和经济成本等综合分析得知,30%甲基磺草酮.乙草胺悬浮剂450 g a.i./hm2处理对阔叶杂草的目测防效和鲜质量防效均在93%以上,对稗草、狗尾草的防效在87%以上,总体防效大于90%,对玉米安全,可根据当地实际情况用于生产。
The four different dosage of 30% mesotrione, acetochlor were tested on maize field grass. The analysis of control effect, safe and cost showed that the efficacy of visual control and fresh quality were all over 93% against broad spectrum grass in 450 g a. i./hm^2; it was over 87% against echinochloa crus galli and setaria viridis; the total efficacy were above 90%. So, it was safe to maize and could be used according to fact condition.
出处
《天津农业科学》
CAS
2008年第1期53-55,共3页
Tianjin Agricultural Sciences