50%百草枯可溶粒剂防除夏玉米田间杂草试验

Test of 50% Paraquat Soluble Granule to Eliminate the Summer Corn Field Weed

50%百草枯可溶粒剂可有效防除夏玉米田藜、铁苋菜和狗尾草等杂草。用量为60-120 g/0.067 hm2时,株防效和鲜质量防效都在95%以上,且有一定的增产效果,可推广使用。从经济有效考虑,推荐使用剂量为60-80 g/0.067 hm2（商品量）,有效成份使用剂量为450-600 g/hm2。调查显示,使用50%百草枯可溶粒剂40-120 g/0.067 hm2防除夏玉米田藜、铁苋菜和狗尾草等杂草,对夏玉米生长发育没有影响,保证夏玉米安全。

50% Paraquat soluble granule could eliminate chenopodium album, acalypha australis and setaria viridis. To deal with 60-120 g/mu, the control effects were all above 95%, and there are certain stimulation effect, could promote to use. From the economic consideration effectively, recommended doses of 60-80 g/0.067 hm2, effective ingredients used dose is 450-600 g/hm2. According to the survey, using 50% paraquat soluble granule 40-120 g/0.067 hm2 to eliminate chenopodium album, acalypha australis and setaria viridis, has no effect on summer maize growth and development.