枯、黄萎病是棉花的“头号敌人”,人们称之为“棉花癌症”。在棉花生长的中后期混合发生,造成棉田大面积发生严重的枯、黄萎病,发病棉株矮小,叶片变黄干枯,蕾铃脱落,单株结铃数减少,严重时叶片、蕾铃脱落,可使植株成为光杆,造成30%以上减产甚至绝产绝收,且棉花的品质显著下降。 Withered, Verticillium wilt is cotton’s “number one enemy”, people call it “cotton cancer.” Occurred in the mid-late cotton growth mixed, resulting in a serious cotton crop wilt, Verticillium wilt, the incidence of short cotton plants, the leaves turn yellow, the buds fall off, the number of bolls per plant to reduce severe leaves, , Can make the plant become a polished rod, resulting in more than 30% reduction or even absolutely no yield, and the quality of cotton decreased significantly.