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[目的]明确25%噁草酮·西草净EC对移栽水稻田田间杂草的防除效果及安全性。[方法]插秧前4~6 d,瓶洒法施药,测定不同剂量对移栽水稻田田间杂草的防治效果及对水稻的安全性。[结果]综合15、30 d调查结果,各处理对水稻田间杂草的平均株防效和鲜质量防效均达84%以上。[结论]25%噁草酮·西草净EC 693.75~825.00 g a.i./hm2用于防除移栽水稻田田间杂草,效果好且对水稻安全。
[Objective] The research aimed to clarify the control effect and safety of 25% oxaliclone and Sesamum EC on weeds in transplanted rice fields. [Method] 4 ~ 6 d before transplanting, bottle sprinkling method was applied to determine the effect of different dosages on weeds in transplanted paddy fields and its safety to rice. [Result] Based on the survey results of 15 and 30 d, the average control effect and the fresh mass control effect of weeds on rice weeds were over 84%. [Conclusion] The 25% oxaliclone and simethicone EC 693.75 ~ 825.00 g a.i./hm2 were used to control weeds in transplanted paddy field and had good effect and safety on rice.