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元胡即延胡索(Corydalis yanhusuoW.T.Wang),主产浙江。为常用中药,其块茎入药,有行气活血,散瘀止痛的功效。但历年来,由于遭受霜霉病的为害,产量逐年下降,不仅影响国内外人民的用药需要,还挫伤了药农的生产积极性。因此,防治霜霉病已成为元胡生产上突出的问题。元胡霜霉病是一种毁灭性的病害,东阳农民叫“火烧瘟”。元胡主产区东阳、缙云、永康等地普遍发生,为害严重,其特点:发生快、来势凶、为害重。据1967年在东阳初步统计,全县元胡生产,因霜霉病的为害,平均亩产仅100斤左右,减产在50%
Yuan Hu is corydalis (Corydalis yanhusuoW.T.Wang), the main production of Zhejiang. As a commonly used traditional Chinese medicine, its tubers into medicine, qi and activating blood circulation, stasis and analgesic effect. However, over the years, due to the devastating effects of downy mildew, its output has been declining year by year, which not only affected the medication needs of people both at home and abroad, but also dampened the enthusiasm of drug farmers. Therefore, the prevention and control of downy mildew has become a prominent issue in the production of Yuanhu. Yuan Hu downy mildew is a devastating disease, Dongyang farmers called “fire plague.” The main producing areas of the Yuanhu Dongyang, Jinyun, Yongkang and other places generally occur, serious damage, its characteristics: occur fast, to the potential fierce, serious harm. According to the preliminary statistics of Dongyang in 1967, the county’s Yuanhu production was damaged by downy mildew, with an average yield of only about 100 kg per mu, a decrease of 50%