茄qie子zi褐he紋wen病bing是shi棚peng室shi栽zai培pei茄qie子zi上shang的de主zhu要yao病bing害hai,從cong苗miao期qi到dao成cheng株zhu期qi均jun可ke受shou害hai。幼you苗miao受shou害hai,近jin地di麵mian的de莖jing基ji部bu出chu現xian褐he色se或huo黑hei褐he色se凹ao陷xian病bing斑ban,生sheng有you黑hei色se小xiao點dian,條tiao件jian適shi宜yi時shi病bing斑ban很hen快kuai發fa展zhan,造zao成cheng幼you苗miao猝cu倒dao死si亡wang。成cheng株zhu期qi葉ye、莖jing和he果guo實shi均jun可ke發fa病bing。植zhi株zhu下xia部bu葉ye片pian發fa病bing較jiao多duo,初chu為wei圓yuan褐he色se小xiao斑ban點dian,病bing斑ban擴kuo大da則ze為wei圓yuan形xing或huo近jin圓yuan形xing,中zhong央yang灰hui白bai或huo淺qian褐he色se,邊bian緣yuan暗an綠lv色se,上shang生sheng黑hei色se小xiao點dian排pai列lie成cheng的de輪lun紋wen。莖jing部bu受shou害hai多duo發fa生sheng在zai莖jing基ji部bu,產chan生sheng中zhong央yang灰hui白bai色se、邊緣深褐色、shangshengxuduoheisexiaodiandebingban,bingbuaoxian,picengtuoluo,luchumuzhibu,yizheduan。guoshiranbing,chanshengdanhesedaxingbingban,shaoaoxian,shangshengxuduoxiaoheidian,pailiechenglunwenzhuang,bingbankuodakedazhenggeguoshi,zuihoufulantuoluohuoguazaizhizhushanggansuochengjiangguo。bingguozhongzihuibaisehuohuise,zhoubiewuguangze。
該病防治應采取以選用無病種子或種子處理、結合藥劑防治的綜合防治措施:1.選用無病種子。2種子處理。如種子帶菌,應進行種子處理,常用方法有三種:一用溫湯浸種消毒,浸種前先用室溫水預浸2~3小時,然後將種子放入55℃溫水浸15分鍾或50℃溫水浸30分鍾,到規定時間後立即移入冷水中冷卻,晾幹後播種或催芽。二用40%福爾馬林水劑300倍液浸種15分鍾,洗淨後播種,有一定效果。三用50%苯菌靈可濕性粉劑和50%福美雙可濕性粉劑各1份、泥土3份混勻後,用種子重量0.1%的混合劑拌種。3.苗床土壤消毒。苗床用50%多菌靈可濕性粉劑每平方米10克,與土拌勻後播種或移苗,或用50%福美雙可濕性粉劑5克,添加10~15公斤細土,拌勻後,1/3藥土撒於床內,2/3藥土作覆蓋用土。4.加強栽培管理。早期摘除病葉、病果,收獲完畢徹底清潔棚室。5.發病初期可噴施50%撲海因可濕性粉劑1000~1500倍液或50%苯菌靈可濕性粉劑800倍液,視病情隔7~10天防治一次,連防2~3次。
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