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稻曲病又名青粉病、伪黑穗病、绿黑穗病等。其病原菌属子囊菌、麦角科、拟墨粉属。本病在我国历史上早有记载,如李时珍《本草纲目》中所记:“硬谷奴、谷粒煤黑者”,即指此而言。国外于1878年首次由库克从印度获得标本。亚洲、美洲、非洲等世界上大多数水稻的主要产区都有稻曲病发生。国内分布于浙江、江苏、广东、广西、江西、湖南、四川、北京、天津等产稻区。近几年来,尤其是1982年晚稻穗期,在南方稻区稻曲病普遍发生。
False Smut also known as powdery mildew, pseudo-smut, green smut and so on. The pathogen is ascomycete, ergot family, pseudo-powder genus. The disease has long been recorded in the history of our country, such as Li Shizhen “Compendium of Materia Medica” in mind: “hard grain slaves, grain coal black”, that is to say. For the first time in 1878, Cook obtained specimens from India. Most rice in Asia, the Americas, Africa and other major producing areas have rice false smut. Domestic distribution in Zhejiang, Jiangsu, Guangdong, Guangxi, Jiangxi, Hunan, Sichuan, Beijing, Tianjin and other rice-producing areas. In recent years, especially in late rice paddy in 1982, rice false smut disease occurred in southern rice area.