putaogenaibingshiyizhongxijunxingdebinghai,bingjuncancunyuturanghebufenbingmanzhizhong,henduoganbingzhujiushizaitianjianguanlicaozuobudangshiputaozhizhushoushanghoubeiganranshangde,yeyoucongzhizhujiajieshangkouwailuruqinde。chuputaogenjingbufenshouhaijiaoduowai,zhimanshangshoushangganranbufenyeyouailiufasheng。bingjunruqinhou,ailiufazhanhenkuai,shiyifabingqiduanqineikejiangganbingyouzhubaowei。beihaizhizhuchangshifali,shushishuairuo,beihaiputaoshaozejianchan20%,嚴重的減產50%,有的甚至整個葡萄園荒廢。近幾年來根癌病在部分地區已上升成為害葡萄生產的重要病害之一,必須引起足夠重視。
對於葡萄根癌病的為害,應從冬、春季著手抓好預防,並配合化學藥劑,進行綜合防治。
shouxian,yaoxuanyongwubingdemiaomu。putaodeyumiaojiajieyingxuanzezaiwubingdeyuandijinxing,bimianbingmiaozhiruyuanzhong。tongshiyaobimianhuojianshaozhizhushangkou,zengshiyoujifeihuozheshengwuyoujifuhefei,yizhibufenbingjundeshengcunheweihai。
此外,要配套進行化學防治。一是用1%硫酸銅溶液對病株土壤做消毒處理;二是將嫁接苗接口以下部位用1%硫酸銅溶液消毒5分鍾,然後放入2%石灰水中浸泡1分鍾,殺滅根部細菌;三是用1∶500倍的惠滿豐或莊福星活性液肥灌根,一可供給養分,二可抑病害;四是刮瘤塗藥,即隨時刮除新增的病瘤,然後塗抹100倍硫酸銅液等,可有效地保護傷口。
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