]*>","")" /> Study on Bioassay of 6 Soil Treatment Herbicides against Barnyard Grass (Echinochloa crusgalli) and the Sensitiveness of the Tested Herbicides
Xinjiang Agricultural Sciences

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Study on Bioassay of 6 Soil Treatment Herbicides against Barnyard Grass (Echinochloa crusgalli) and the Sensitiveness of the Tested Herbicides

CHEN Tao;LIANG You;LUO Yan-ping;WANG Chun-juan;ZHANG Jian-ping;YANG De-song   

  • Received:2013-04-25 Revised:2013-04-25 Online:2013-04-25 Published:2013-04-25

6种土壤处理除草剂对稗草的生物测定及其敏感性研究

陈涛;梁友;罗彦平;王春娟;张建萍;杨德松   

  1. 石河子大学/新疆绿洲农业病虫害治理与植保资源利用重点实验室,新疆石河子,832000





摘要： [目的]筛选出适合膜下滴灌水稻田杂草土壤处理除草剂.[方法]应用滤纸法测定稗草对6种除草剂的敏感时间,利用三种(滤纸法琼脂法和盆栽拌土法)生物测定方法的灵敏性.[结果]第5d乙氧氟草醚的EC50值最低,第4d仲丁灵、乙草胺、氟乐灵、二甲戊灵、五氟磺草胺EC50值最低;琼脂法测定的敏感性最好.通过琼脂法进一步比较稗草对6种除草剂的EC50大小,得出:乙草胺＞二甲戊灵＞仲丁灵＞乙氧氟草醚＞五氟磺草胺＞氟乐灵.[结论]琼脂法是测定杂草对除草剂敏感性较好的方法,可为农业生产提供参考.