摘要
[目的]除草剂的广泛使用必然会对土传病害产生一定的影响,研究常用的5种除草剂对油菜菌核病菌(Sclerotina sclerotiorum)的影响具有一定的实际意义。[方法]采用室内生物测定方法研究草甘膦等5种除草剂对油菜菌核病菌的影响。[结果]草甘膦等5种除草剂能明显抑制油菜菌核病菌菌丝生长和菌核萌发。其中对油菜菌核病菌菌丝生长的影响,以乙羧氟草醚和精喹禾灵的抑制作用较强,其EC50值分别为3.19、56.43 mg/L;乙草胺、莠去津、精喹禾灵对菌核萌发的抑制作用强于对菌丝生长的抑制作用。
Increasing use of herbicide must result in some influence on soil-borne diseases.The study on effects of five herbicides on Sclerotina sclerotiorum had some practical value.[Methods] The effects of glyphosate,acetochlor,quizalofop-p-ethyl,atrazine and fluoroglycofen-ethyl on Sclerotina sclerotiorum were studied through indoor bioassays.[Results] Hyphal growth and sclerotia germination of Sclerotina sclerotiorum were inhibited by five tested herbicides.Fluoroglycofen-ethyl and quizalofop-p-ethyl had strong inhibition on hyphal growth and the EC50 values were 3.19 and 56.43 mg/L respectively.The inhibition on sclerotia germination by acetochlor,atrazine and quizalofop-p-ethyl was stronger than that on hypal growth.
出处
《农药》
CAS
北大核心
2011年第12期918-920,共3页
Agrochemicals
基金
河南省教育厅自然科学研究计划项目(2010B210017)
关键词
油菜菌核病菌
除草剂
影响
Sclerotia sclerotorum
herbicides
effect
