防治方法:防(fang)治(zhi)黃(huang)瓜(gua)植(zhi)株(zhu)隻(zhi)開(kai)雄(xiong)花(hua)不(bu)結(jie)瓜(gua)的(de)要(yao)點(dian),就(jiu)是(shi)要(yao)嚴(yan)格(ge)控(kong)製(zhi)瓜(gua)蔓(man)瘋(feng)長(chang),保(bao)證(zheng)黃(huang)瓜(gua)植(zhi)株(zhu)體(ti)生(sheng)長(chang)粗(cu)大(da)健(jian)壯(zhuang)。種(zhong)植(zhi)黃(huang)瓜(gua)的(de)農(nong)民(min)朋(peng)友(you)倘(tang)若(ruo)采(cai)取(qu)化(hua)學(xue)調(tiao)控(kong)措(cuo)施(shi)即(ji)可(ke)收(shou)到(dao)良(liang)好(hao)的(de)效(xiao)果(guo)。具(ju)體(ti)方(fang)法(fa)為(wei):當黃瓜植株長出4片以上真葉、瓜蔓長出約300—400毫米時,每畝可用植物生長調節劑乙烯利200—500PPM(稀釋濃度),或奈乙酸5—10克,或三十烷醇5—10克,或助長素10克(上述植物生長調節劑任選一種即可),然後加水50—70公斤,在黃瓜地裏均勻噴施1—2次,即可促進黃瓜植株細胞正常分裂,增強雌雄花同株並開的能力,有效解決黃瓜因隻開雄花而引發的“不育症”。上述方法在大棚和保護地同樣適應。
juyanjiuheshijianzhengming,huangguazhikaixionghuadezhuyaoyuanyinshiyouyuhuangguazhizhutineixibaofenlieshitiaosuodaozhide。ruohuangguazhizhuzaishengchangguochengzhongtengmanshitiaofengchang,jiuhuipohuaihuangguazhizhutidefenzhinengli,congerdaozhihuangguazhizhuzhikaixionghuabukaicihua,huozhizaimanshaochukaifeichangyouxiandejiduocihua。這樣會嚴重影響黃瓜的產量和收益。
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