7种除草剂对直播油菜田间杂草防效及油菜生长的影响

摘要

In order to screen out suitable herbicides used for local direct -seeding rapeseed field , we investigated the effects of seven kinds of herbicides on weed control and rapeseed growth in direct -seeding field through field tests .The results showed that applying Fenoxaprop -P-ethyl and Quizalofop -ethyloEthametsulflironoBenazolin -ethyl increased rapeseed yield by 10.41%, 0. 83%respectively, their control effects against dicotyledonous weeds were 86.15%, 92.42%respectively, and those against mono-cotyledonous weeds were 84.54%, 88.67%respectively.%　　为筛选适合四川绵阳直播油菜田使用的除草剂，选择了7种除草剂进行田间试验，调查其对直播油菜田中杂草和油菜的影响。结果表明：精恶唑禾草灵和喹禾灵·胺苯磺隆·草除灵分别使油菜产量增加10．41％和0．83％，对双子叶杂草的防效分别为86．15％和92．42％，对单子叶杂草的防效分别为84．54和88．67％。