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由腐烂茎线虫(Ditylenchus destru-ceor)引起的当归麻口病是我国最近报道的一种新的植物线虫病害。在甘肃省当归产区普遍发生。作者就当归麻口病病灶中腐烂茎线虫与多种镰刀菌(Fusarium sp.)的关系进行了观察研究,现将结果报告如下。材料和方法1.在岷县当归观察圃内自归苗移栽田间后,每日取样一次,每次10株,对罹病程度不同的病归,用贝曼漏斗法进行线虫分离,病组织表面消毒后在 PDA 培养基上置恒温
Angelica meyeritis caused by Ditylenchus destru-ceor is a new plant nematode disease recently reported in our country. Angelica areas in Gansu Province occur. The authors studied the relationship between S. destructor and various species of Fusarium sp. In the pathogenesis of angelica macki disease. The results are reported as follows. MATERIALS AND METHODS 1. After the autotrophic seedlings were transplanted to field in Angelica sinensis in Minxian County, they were sampled once a day for 10 strains. The pathogeny of different degree of diseased disease was determined by the Bayman funnel method. The surface of the diseased tissue After disinfection in PDA medium at room temperature