摘要
Metamifop是一个新的芳氧苯氧基丙酸酯类除草剂 ,可很好地防除大多数一年生禾本科杂草。苗后以90～ 2 0 0g/hm2 (有效成分 ,下同 )剂量施用于移栽稻田和直播稻田中 ,可有效地防除稻田中主要杂草 ,如稗属 (Echinochloaspp .) ,千金子 (Leptochloachinensis) ,马唐属 (Digitariaspp .)和牛筋草 (Eleusineindica )。 3年的试验结果表明 ,metamifop在 90～ 2 0 0 g/hm2 剂量下对上述杂草防效极好 (90 %～ 1 0 0 % )。其最佳施药时期为稗草
Metamifop is a new arylphenoxypropionate herbicide, providing excellent control no a wide range of annual grass weeds, Appled post emergence in paddy and direct seeded rice cultivation, metamifop at the rates of 90～200g a i /ha give excellent control of the major grass weeds including Echinochloa spp., Leptochloa chinensis, Digitaria spp. And Eleusine indica. In 3 years of experiments,problematic grass weeds in rice cultivation were excellently controlled (90%～100%)with the dose rates of 90～200g a i /ha metamifop.The most favorable time for application was between the 2 leaf stage and end of tillering.
出处
《农药》
CAS
北大核心
2004年第7期327-328,共2页
Agrochemicals
