【摘要】 从全疆不同植棉区采集棉花枯萎病病株，经分离纯化和单孢分离获得尖孢镰刀菌菌株，从中选２０个代表菌株，用目前国内外统一使用的一套鉴别寄主进行生理小种鉴定，初步鉴定结果表明：新疆棉区棉花枯萎病菌以７号小种为主。更多还原

【Abstract】 Fusarium oxysporum f sp Vasinfectum was isolated from diseased cotton stalks of main cotton production region in Xinjiang Through a set of different hosts commonly used in the world,the physiological races were identified among 20 typical strains The result shows that the race 7 is the major physiological race among cotton wilt Fusarium in Xinjang更多还原