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水稻粒黑粉病 Tilletia barclayana(Bref.)Sacc.et Syd.最初发现于日本(Ta-kahashi,1896)。以后此病在其它亚洲国家(印度、缅甸、中国、朝鲜、印度尼西亚、马来西亚、菲律宾)、在西部非洲(塞内加尔)、欧洲(意大利)和北美(美国)出现,往往对这些国家的水稻生产造成颇大损失。例如,在南卡罗来纳州(美国),稻穗上的病粒率曾达25％(布拉钦科、阿布拉卡托娃,1941)。
Rice grain powdery mildew Tilletia barclayana (Bref.) Sacc.et Syd. Originally found in Japan (Ta-kahashi, 1896). The disease has since emerged in other Asian countries (India, Myanmar, China, North Korea, Indonesia, Malaysia, the Philippines), western Africa (Senegal), Europe (Italy) and North America (United States), often causing quite a bit of rice production in these countries Big loss For example, in South Carolina (United States), panicle incidence has reached 25% on rice ears (Bracinko, Abkhartoova, 1941).