一、症狀區分
蔬菜的青枯病、kuweibingdoushichuanranxingbinghai,zhizhushouhaihou,weiguanshuyansezhujianbianchenghese,shouhaiqianqizhizhuyepianzhongwuweinian,zaowanhuifuzhengchang,houqizechixuweinian。jiangbingjingzongqiehoufangzaishengyouqingshuidetoumingbolibeizhong,ruyounianyeyichudeweiqingkubing,wunianyeyichuerzhizhuxiabuyepianbianhuangdezeshikuweibing。genjiexianchongweihaichuqi,dishangbuzhizhushengchangbuliang,yepianbizhengchangzhizhudeyepianxiao,dixiabuxugenjianshao,genshangxingchengchuanzhuzhuangdechongliu,poukaichongliuchu,kejianrubaisedelixingcichongzangyugenzuzhinei。
二、防治方法
枯萎病發生嚴重的蔬菜如黃瓜等,可與黑子南瓜、西葫蘆等嫁接來防治。青枯病發生後要在降低田間濕度、避免大水漫灌的基礎上,施用77%的可殺得可濕性粉劑或25%的青枯靈可濕性粉劑1500~2500倍液,每株灌藥200毫升。防治根結線蟲可施用1.8%的阿維菌素乳油1500~2000倍液,每株灌藥250毫升左右,每10~15天灌一次,連灌3次。
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