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小麦红矮病在陕西北部,甘肃陇东、陇南,宁夏固原,山西晋中、晋北,四川阿坝藏族自治州等地区,历年都有不同程度的发生.固原地区解放后,在1953、1957、1967、1971等年份也严重流行.小麦得病后植株发红变紫,生长低矮,早死,群众称它为“红病”、“刚茬”、“刷了”等.长期以来,红矮病对冬小麦生产威胁很大,据我们调查了解,1957年固原县彭阳地区18万亩冬麦,发病面积达16万余亩.其中7万亩因病不能拔节、抽穗而翻拆改种.1971年因该病翻拆面
Wheat dwarf disease occurred in different degrees in northern Shaanxi, Longdong in Gansu, Longnan, Guyuan in Ningxia, Jinzhong in Shanxi Province, Shanxi Province, Aba Tibetan Autonomous Prefecture in Sichuan Province, etc. After the liberation of the Guyuan area, in 1953, 1957, 1967 , 1971 and other years are also serious epidemic.When the wheat gets sick, the plants grow reddish purple, grow low, premature death, the masses call it “red disease”, “stubble”, “brush” and so on. According to our investigation, 180,000 mu of winter wheat in Pengyang County of Guyuan County in 1957, the incidence of which reached more than 160,000 mu, of which 70,000 mu can not be jointed and heading Demolition of the kind .1971 due to the disease turned over the surface