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当归是著名中药材,近年来由于当归麻口病引起根部腐烂损失严重。关于该病的病因过去虽有报道,但不够明确,且防治不力。为此我们对该病病灶群落成员进行了采集、分离、鉴定、回接和防治试验。在国内外首次确认了此病的病因,并制定了一套有效的防治措施。 当归在苗期常有少量金针虫及其他地下害虫为害留下伤口;在挖苗、贮、运和移栽过程中也常使幼苗受伤。4—10月份为当归成药期,也是麻口病发生发展阶段,此期根部除生理开裂外,金针虫全期为害根表面;
Angelica is a famous Chinese herbal medicine, in recent years due to angelica caused by severe rotting root rot. Although the cause of the disease has been reported in the past, it is not clear enough and its prevention and treatment are not effective. To this end, we collected, isolated, identified, returned and tested the members of the disease focus group. For the first time at home and abroad to confirm the cause of the disease, and developed a set of effective prevention and treatment measures. Angelica often in the seedling stage a small amount of golden worm and other underground pests damage left wounds; in seedling, storage, transportation and transplanting often injury to seedlings. From April to October, Angelica sinensis is the medicine period, which is also the stage of occurrence and development of the disease. In addition to physiological cleavage,