棉花枯萎病和黄萎病是两种毁灭性病害。由于其症状类型多、病菌习性顽、传播途径广,比常年流行的苗期根病、中期铃病和后期红叶茎枯病防治上困难更多,对棉花生产威胁更大。我省自1972年成立棉花枯、黄萎病研究协作组以来,实行重病区以推广抗病品种为主、轻病区以轮作换茬为主、初病区以铲除 Cotton blight and Verticillium wilt are two devastating diseases. Due to its many types of symptoms, stubborn pathogen, spread a wide range of channels than the perennial popular perennial disease, mid-term bell disease and the late prevention and treatment of red stem blight more difficult to threaten cotton production even greater. Since 1972, the province set up a collaboration group of research groups of cotton withered and verticillium wilt, the implementation of serious ward to promote disease-resistant varieties, light ward to rotation cropping-based, initial ward to eradicate