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瓜类枯萎病又称萎蔫病、蔓割病等。发生于黄瓜、冬瓜、西瓜,为害很严重。枯萎病的主要症状是病株茎基部和根部成褐色水浸状腐烂,茎部受害处(基部)变细或纵裂,潮湿时分泌粉红色的胶状物,干缩后成麻状。横切病株基部可见导管变褐。病株叶片由下至上出现萎蔫,中午下垂,早、晚尚可恢复,如病势迅速蔓延则3-5天后萎蔫不再恢复而全株死亡。病轻则植株矮小发黄。
Fusarium wilt, also known as wilt disease, forage and other diseases. Occurred in cucumber, melon, watermelon, the damage is very serious. The main symptom of blight is that the base and root of the diseased plant become brownish-soaked and decayed at the base and root of the diseased plant, the damage (base) of the diseased stem (base) becomes thinner or longitudinally split, the pink jelly is secreted when wet, and becomes dry after being hemp-shaped. Transverse diseased base visible catheter brown. The leaves of diseased plants appeared wilting from bottom to top, drooping at noon, and recovered early and late. When the disease spread rapidly, wilts no longer resumed after 3-5 days and the whole plant died. Disease is light yellow plant short.