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1986年6月初,石总场4分场3连的几块棉田,出现大片死苗,经鉴定不是棉苗根病。剖茎则见维管束呈黑褐色。6月10日,将病株在PDA培养基上分离培养,3天后即长出单纯的白色绒毛状菌落,镜检为镰刀菌。从发病期、田间症状及初步分离的结果,怀疑为棉花枯萎病。 棉花枯萎病在石河子及北疆,过去都未有报导。为彻底搞清这一病害,以便尽快采取对策,我们按照常规植病研究方法和中国
In early June 1986, a total of four blocks of stone field even a few pieces of cotton fields, there are large dead seedlings, the identification is not the root cause of cotton seedlings. Cut the stem is seen vascular bundle was dark brown. On June 10, the diseased plants were isolated and cultured on PDA medium. After 3 days, pure white villous colonies grew, and microscopic examination was Fusarium. From the onset, the field symptoms and the initial results of the separation, suspected cotton blight. Fusarium wilt in the Shihezi and northern Xinjiang have not been reported in the past. In order to fully understand the disease in order to take countermeasures as soon as possible, we follow the conventional plant disease research methods and China