毒麦的危害与防治措施葡萄白腐病是一种严重为害葡萄果穗的病害，也能使枝叶受害。果穗受害时，先在穗梗上出现淡黄色的油浸状病斑，然后扩大，溃疡腐烂，导致整穗葡萄脱落和枝蔓死亡。高温、高湿和架面风光条件恶化时，更为严重。１９９６年夏秋雨水多，此病就十分猖獗。... Poisonous wheat harm and control measures Grape white rot disease is a serious damage to the grape ear disease, but also make the branches and leaves victimized. Ear damage, the first appeared in the panicle light yellow-like lesions, and then expand, ulcer decay, leading to the whole grape fall off and the branches and vine death. High temperature, high humidity and shelter landscape deterioration, even more serious. Summer and autumn in 1996, the disease is rampant. ...