棉花姑、黄萎病是世界性的危险性病害,为国际植物检疫对象,全国各棉区有轻、重不等的发生,且日趋严重,成为影响棉花生长的主要障碍因素之一。充分掌握发病规律,选用对路药剂,实施有效预防,是控制棉花枯、黄萎病发生,夺取棉花高产丰收的重要措施。棉花枯、黄萎病是典型的维管束 Cotton aunt, Verticillium wilt is a worldwide dangerous disease. It is the object of international phytosanitary and the cotton fields throughout the country have light and heavy occurrences, which are becoming more and more serious. They are one of the main obstacles to the growth of cotton. It is an important measure to control the occurrence of cotton yellow and verticillium wilt and to seize the high yield and yield of cotton by fully grasping the regularity of pathogenesis, selecting the right pathogen and implementing effective prevention. Cotton withered, Verticillium wilt is a typical vascular bundle