论文部分内容阅读
黄萎病(VerticilliumdahliaeKleb.)系维管束、土传病害,是棉花的主要病害之一,其发生与病原、品种、生态环境关系密切。不同地区的棉花黄萎病菌对抗感性不同的品种,致病力存在着明显的差异。棉花黄萎病病原菌变异性较大,寄主范围较广,感病品种多,从病害流行上看,更加容易广泛流
Verticillium dahliaeKleb. Is a vascular disease and soil-borne disease. It is one of the major diseases of cotton. Its occurrence is closely related to pathogen, variety and ecological environment. Verticillium dahliae in different parts of the resistance to different varieties of different, there is a clear difference in pathogenicity. Verticillium dahliae pathogenic bacteria greater variability, host a wider range of susceptible varieties, from the epidemic point of view, the more easily widespread flow