棉花枯黄萎病是我国棉花生产的主要病害 ,防治药剂较多 ,但防效都不理想。为此 ,我们于2 0 0 0年进行了 3%广枯灵水剂不同浓度喷雾防治枯黄萎病的药效试验。1　材料与方法试验设在民权县花园乡魏庄村 ,土质为轻壤。棉花品种为春矮早 ,于 5月 2 0日营养钵移栽麦垅套种。 3%广枯 Verticillium wilt cotton is the main disease of cotton production in our country, prevention and treatment of more agents, but the control effect is not satisfactory. To this end, we conducted a 3% efficacy test of spraying different concentrations of Guanwuxiao agent on Verticillium wilt in 2000. 1 Materials and Methods The experiment was set up in Weizhuang Village, Huayuan County, Huayuan County, with soil of light soil. Cotton varieties for the spring and early morning, on May 20 nutrition bowls transplanting wheat 垅 interplanting. 3% wide dry