小麥蚜蟲又名膩蟲,是小麥生產中的主要害蟲,以成蟲、ruochongxiquxiaomaizhiyeweihaixiaomai,zaijiashangyachongpaichudemilu,luozaimaiyepianshang,yanzhongdiyingxiangguanghezuoyong,zaochengxiaomaiyanzhongjianchan。qianqiweihaikezaochengmaimiaofahuang,yingxiangshengchang,houqiweihaibeihaibufenchuxianhuangsexiaobandian,maiyezhujianfahuang,mailibubaoman,yanzhongshimaisuikubai,bunengjieshi,shenzhizhengzhukusi,yanzhongyingxiangchanliang。youyuquniandongjiqiwenpiangaoliyuyachongdeyuedong,geijinnianyachongdafashengtigonglechongyuan,zaijiashangjinduantiaojianshiyiyachongdefasheng、繁殖。為此廣大群眾要密切注意查看蚜情並及時進行防治。
防治方法 genjuyachongdeweihaitedian,jinxingtianjianjianzha。yachonggangfashengshiduozaixiaomaidibuyepianshang,suoyibuyibeifaxian,dangfaxianshangbuyepianbeiweihaishi,jiuyiduixiaomaichanliangzaochengleyingxiang,suoyiyingzhuyiguancha,zaofaxian、早防治。苗期隻要每平方米有蚜蟲30~60頭就要進行防治,孕穗期當有蚜株率達15%或平均每株有蚜蟲10頭左右就要及時防治。可每畝用20%菊馬乳油80毫升、20%百蚜淨60毫升、40%保得豐80毫升、2%蚜必殺80毫升、3%劈蚜60毫升,50%抗蚜威可濕性粉劑10~15克,10%吡蟲啉可濕性粉劑20克,上述農藥品種任選一種,對水35~50公斤(2~3桶水),於上午露水幹後或下午4點以後均勻噴霧。如發生較嚴重。每桶水再加1包10%的吡蟲林混合噴施。
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