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当归是我省主产中药材之一。多年来,已进行大面积栽培,但产量一直很低,平均亩产最高不过百斤。因此,在药用上,长期以来,存在着供不应求的矛盾。当然,导致当归减产的因素是多方面的,不过应该认为当归的根腐病是其主要原因之一。据调查,严重者发病率可高达80%。发病植株茎叶逐渐枯萎,根部腐烂呈水浸状,完全失去药用价值。因此,尽快地解决这一问题,便成为当归增产的主要途径之一。遵照毛主席的“教育必须为无产阶级政治服务,必须同生产劳动相结合”的伟大教导,我们从1975年以来,到太白县药场,师生一起,结合教学对当归根腐病的病因、发病规律和防治措施等方面进行了比较系统的试验工作。现作一初步报导。
Angelica is one of the main Chinese herbal medicines in our province. Over the years, large-scale cultivation has been carried out, but the yield has been very low and the average yield per mu is only up to 100 kilograms. Therefore, in medicine, for a long time, there is a contradiction between demand. Of course, the factors that lead to angelica yield reduction are many, but should be considered angelica root rot is one of the main reasons. According to the survey, the incidence of severe cases can be as high as 80%. Stems and leaves of plants gradually withered, root rot was immersed, completely lost medicinal value. Therefore, as soon as possible to solve this problem, it has become an important way to increase the yield of Angelica. According to Chairman Mao’s great teaching that “education must serve proletarian politics and must be integrated with productive labor”, we have been teaching at the Taibai County pharmacies, teachers and students since 1975 about the causes of the root rot of Angelica sinensis, Pathogenesis and prevention measures and other aspects of a more systematic test work. Now make a preliminary report.