瓜类枯萎病又名萎蔫病、蔓割病,是由枯萎病菌引起的西瓜、甜瓜和黄瓜的严重病害,是瓜类“倒蔓”的病型之一,常造成毁灭性的损失。1.发病症状苗期发生病害时,表现与猝倒相近似的症状。幼苗出土后,子叶萎蔫,真叶褪绿黄枯,幼茎腐烂仅留丝状纤维而死。但大量发病都在结瓜以后,枯萎 Fusarium wilt, also known as wilt disease, vine cut disease, is caused by the Fusarium wilt watermelon, melon and cucumber serious disease is melon “downman” one of the types, often causing devastating damage. 1. Symptoms Symptoms seedling disease occurs, the performance and catapults similar symptoms. After the seedlings were excavated, the cotyledons wilted, the true leaves chlorotic yellowish brown, and young stems rotted leaving only filamentous fibers to die. However, a large number of diseases are knot melon, withered