yumicusuobingshiwoguobeifangyumishengchanquliuxingdezhongyaobinghai。jinjinianshiyoufasheng，zaochengbutongchengdudejianchan。yumimiaoqishiyumicusuobingdeminganqi，yinciyaozaimiaoqijizaoyufangcusuobing。

玉yu米mi整zheng個ge生sheng育yu期qi都dou可ke感gan染ran發fa病bing，以yi苗miao期qi受shou害hai最zui重zhong，病bing株zhu明ming顯xian矮ai化hua，病bing株zhu高gao度du不bu到dao健jian康kang株zhu一yi半ban


，葉ye色se深shen綠lv，寬kuan短duan質zhi硬ying，呈cheng對dui生sheng狀zhuang，葉ye背bei麵mian側ce脈mai上shang現xian蠟la白bai色se突tu起qi物wu，粗cu糙cao明ming顯xian。病bing株zhu分fen蘖nie多duo，根gen係xi不bu發fa達da易yi拔ba出chu。多duo數shu不bu能neng抽chou穗sui結jie實shi，個ge別bie雄xiong穗sui雖sui能neng抽chou出chu，但dan分fen枝zhi極ji少shao，沒mei有you花hua粉fen。

玉米粗縮病綜合防治方法：在防治上要堅持以農業防治為主
、化學防治為輔的綜合防治方針，其核心是控製毒源、減少蟲源
、避開危害。

加強監測和預報。在病害常發地區有重點地定點
、定期調查小麥、田(tian)間(jian)雜(za)草(cao)及(ji)玉(yu)米(mi)粗(cu)縮(suo)病(bing)的(de)病(bing)株(zhu)率(lv)和(he)嚴(yan)重(zhong)度(du)，同(tong)時(shi)調(tiao)查(zha)灰(hui)飛(fei)虱(shi)發(fa)生(sheng)密(mi)度(du)和(he)帶(dai)毒(du)率(lv)。對(dui)玉(yu)米(mi)粗(cu)縮(suo)病(bing)發(fa)生(sheng)趨(qu)勢(shi)做(zuo)出(chu)及(ji)時(shi)準(zhun)確(que)的(de)預(yu)測(ce)預(yu)報(bao)，指(zhi)導(dao)大(da)田(tian)防(fang)治(zhi)。

xuanyongkangbingpinzhong。jinguanmuqianyumishengchanzhongyingyongdezhuzaipinzhongzhongyouyidingdekangbingxing
，danqueshaokangbingxingqiangdeyouliangpinzhong

，qiepinzhongjianganbingchengdurengcunzaiyidingchayi。yinci，yaogenjubenditiaojian，xuanyongkangxingxiangduijiaohaodepinzhong，tongshiyaozhuyihelibuju，bimiandanyikangyuanpinzhongdedamianjizhongzhi。

tiaozhengboqi。genjuyumicusuobingdefashengguilv
，zaibinghaizhongfadiqu，yingtiaozhengboqi
，shiyumiduibinghaizuiweimingandeshengyushiqibikaihuifeishichengchongshengfaqi，jiangdifabinglv。

清除雜草。地邊、tianjianzacaobujinshilainiannongtianzacaodezhongyuanjidi
，erqieshiyumicusuobingchuandujietihuifeishideyuedongyuexiajizhu。zaiyumibozhongqianhuochumiaoqianyonghuaxuechucaojidamianjiqingchutianjian
、地邊雜草，減少毒源。

加強田間管理。合理施肥
、jiaoshui，jiaqiangtianjianguanli，cujinyumishengchang，suoduanmiaoqishijian，zengqiangyumikangnaibingnengli

，jianshaochuandujihui。jiehedingmiao，bachutianjianbingzhu
，jizhongshenmaihuoshaohui
，jianshaocusuobingqinranyuan。