棉花枯、黄萎病是以种子、土壤传播为主的系统性维管束病害,是我国早已规定的植物检疫对象。1993年由于该病的顽固性和其它因素的影响,全市43.8万亩棉花,发病面积占80％,绝收毁种的1000多亩,轻者叶片、蕾铃大量脱落,纤维品质下降,直接影响棉花生产。现将发病因素及防治技术介绍如下: Cotton withered, Verticillium wilt is a systematic vascular disease that is mainly spread by seeds and soil. It is the plant quarantine object already stipulated in our country. In 1993, due to the intractable nature of the disease and other factors, the city’s 438,000 mu of cotton accounted for 80% of the disease and 1,000 mu of deforested species were abolished. Light leaves, large numbers of buds and buds dropped off and the cotton quality was directly affected produce. Now the incidence of factors and prevention and treatment technology are as follows: