摘要
为明确75%环嗪酮水分散粒剂对森林防火道杂草灌的防效,掌握最佳使用剂量,对其进行了田间药效试验。结果表明,75%环嗪酮水分散粒剂1800～2250ga.i./hm2对杂草有明显的防除效果,茎叶喷雾处理20d对试验地杂草灌的株防效可达82.1%~92.2%,40d平均鲜重防效达87.5%~92.2%。
A field experiment was conducted to determine the efficacy of hexazinone 75% WG against broadleaf weeds and miscellaneous shrubs in the fireproof forest belt.The results showed that the control efficacy was 82.1%~92.2% at 20 day after treatment with hexazinone 75% WG at the application rate of 1 800～2 250 g a.i./hm2 in the fireproof forest belt,and 87.5%~92.2%（based on weed plant fresh weight）control efficacy at 40 day after treatment.
出处
《农药研究与应用》
2011年第4期15-17,共3页
Agrochemicals Research & Application
关键词
环嗪酮
杂草
防效
hexazinone
weed
control efficacy
