yumicusuobingzhuyaoyouhuifeishichuanduyinqi
，bingdukeyizaidongxiaomaijizacaoshangyuedong，yekeyizaihuifeishitineiyuedong。chunjiyidaihuifeishichengchongzaiyuedongjizhushangqushidedu，bingluxucongxiaomaitianxiangyumitianqianyiweihai，xiaomaishouhuoqijianxingchengqianfeigaofeng。erdaizhisidaihuifeishizhuyaozaiyumijitianjianzacaoshangyuexia，qiujixiaomaichumiaohousidaihuifeishiqianrumaitianchuanduweihaibingyuedong
，xingchengzhounianqinran。ganbingpinzhongzhongzhimianjida，zhongzijiturangzhongcanliujishengbingyuan
，tianjianshiduda，wenduzai20～35℃，灰飛虱蟲口密度大時發病嚴重，並且有傳染蔓延趨勢。冬春季氣候偏暖幹燥、夏季少雨，有利於灰飛虱發生及傳毒危害

，發病嚴重。

 

        玉yu米mi粗cu縮suo病bing是shi一yi種zhong病bing毒du病bing，一yi旦dan發fa病bing沒mei有you有you效xiao藥yao劑ji可ke以yi防fang治zhi。用yong藥yao防fang治zhi傳chuan毒du介jie體ti灰hui飛fei虱shi能neng有you效xiao控kong製zhi玉yu米mi粗cu縮suo病bing的de發fa生sheng。玉yu米mi苗miao期qi出chu現xian粗cu縮suo病bing後hou應ying及ji時shi拔ba除chu病bing株zhu
，同tong時shi每mei畝mu用yong25%撲虱靈可濕性粉劑50克，隔5天噴1次，連續防治2～3次。調整播期可以避開灰飛虱傳毒高峰期，降低發病率。一代灰飛虱成蟲危害高峰期一般在5月底6月初，夏玉米播種期可以推遲到6月10日以後，使玉米幼苗感病期避開灰飛虱傳毒高峰期。玉米6葉以前最易感病，6yeyihouzhizhulaojianbuyiganbing。boqianyongneixixingshachongjiduiyumizhongzijinxingbaoyihuobanzhongchuli，keyiyouxiaofangzhimiaoqihuifeishi
，jianqingcusuobingdechuanbo。keyiyongzhongzizhongliang2%的5%蚜虱淨乳油拌種
，或用種子重量5%的20%呋·甲種衣劑包衣。玉米品種間對粗縮病的抗性有差異
，可以因地製宜選用中玉4號、蘇玉19、蘇玉20等抗病性較強的品種。