水稻直播田抗药性杂草防控技术探讨

China Rice(2022)

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Abstract
田间试验表明,采用"一封一杀"的动态防治模式,以"封闭为主,茎叶喷雾为辅"的防治策略较为符合浙中稻区水稻直播田生产用药实际."一封一杀"是指播后芽前每667 m2用30%丙草胺EC100 mL进行土壤封闭,苗后杂草用300 g/L丙草胺EC100 mL+3%氯氟吡啶酯OD 53.3 mL、13%氰氟·氯氟吡啶酯EC 80 mL+100 g/L氰氟草酯EC100 mL、10%双环·双唑GG 200 g、39%敌稗·异噁草松EC 200 mL+85%丁草胺EC 47 mL喷施茎叶;或每667 m2用4%双唑草腈SC 150 mL进行土壤封闭、播后10~15 d上水撒施2%双唑草腈GR 600 g.
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