千金子是稻田惡性雜草,3葉期前植株體小,不易被發現,3葉期後生長迅速,防除不及時對水稻產量影響較大。野老牌稻笑10%qingfucaozhiruyounengfangchudaotianhebenkezacao,duiqianjinziyoujiaohaodefangchuxiaoguo,erqieduishuidaoanquanxinggao,keyongyugezhongzaipeifangshidedaotian,zaishuidaomiaoqizhibajieqijunkeshiyong,keyizuoweishuidaoshengchangzhonghouqibujiuxingyongyao。
用野老牌稻笑10%氰氟草酯乳油防除稻田千金子,應根據草齡確定用藥量。千金子在2~3葉期時每畝用藥60~100毫升,在3~5葉期時每畝用藥100~150毫升,在5葉期以上時每畝用藥150~200毫升。高濃度細噴霧,每畝用水量30~40公斤,藥液中加入有機矽助劑有利於提高防效。施藥時土表水層應小於1厘米或排幹(保持土壤水分處於飽和狀態,使雜草生長旺盛,保證防效),施藥後24小時灌水,防止新的雜草萌發。該藥可與五氟磺草胺、二氯喹啉酸、丙草胺等藥混用。氰氟草酯與2甲4氯、miecaosongjihuangxianniaoleidengbufenfangchukuoyezacaodechucaojihunyongkenenghuichanshengjiekangzuoyong,biaoxianweiqingfucaozhidefangxiaojiangdi,bixuyaohunyongshikeyishidangzengjiaqingfucaozhideyongliang。daotianruxufangchukuoyezacaoheshacao,zuihaozaishiyongqingfucaozhi7天後再施用防除闊葉雜草的除草劑。
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