病虫害图片特征描述及防治方法病原 LIYVV (Lettuce infectious yellows virus,莴苣侵染性黄化病毒),LBVV(LettuceBig Vein-virus,莴苣巨脉病毒),TSWV(Tomato spot wilt moasic virus,番茄斑萎病毒),LMV(Lettuce moasic virus,莴苣花叶病毒),CMV(Cucumber mosaic virus,黄瓜花叶病)【症状】侵染性黄化病毒(LIYVV)引起叶片黄化,巨脉病毒(LBVV)则表现为明脉。此病...
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