根据全国棉花枯、黄萎病综合防治研究协作组的要求,自1971—1981年在东至县,选水源近、排灌方便的几块枯、黄萎病重病田,进行试验、示范和大面积定点调查,结果证明:稻、棉轮作防治棉枯、黄萎病效果显著。 一、试验 选沙壤土、壤土,麦棉套种、连作,枯萎病重病田34亩,进行稻、棉轮作一、二、三、四、五年试验,对照为连作棉田。棉花 According to the requirements of the National Cotton Wilt and Verticillium Wilt Integrated Control Research Collaboration, from 1971 to 1981 in Dongzhi County, several wilt and Verticillium wilt disease-prone fields with convenient irrigation and drainage were selected to conduct experiments, demonstrations and large-scale Fixed-point survey, the results show that: rice, cotton rot for preventing cotton withered, Verticillium wilt effect is significant. First, the trial selected loam loam, loam, wheat interplanting, continuous cropping, wilt disease 34 mu of heavy fields, rice, cotton round for one, two, three, four, five years of testing, the control for continuous cropping cotton. cotton