甘蔗黑穗病是由 Ustilago scitamineaSyd.引起的,1877年在南非纳塔尔首次发现。以后东半球的亚洲和非洲栽培甘蔗的大部分国家也有报道。1940年这种病在阿根庭发生,随后夏威夷、斐济、多米尼加共和国、马提尼克、巴西、玻利维亚、圭亚那亦有报道,最近牙买加也报道。牙买加离古巴只有100英里,而古巴仅离佛罗里达90英里左右,这种严重的病害 Sugarcane smut is caused by Ustilago scitamineaSyd. It was first found in Natal, South Africa, in 1877. Most of the countries that cultivated sugar cane in Asia and Africa in the Eastern Hemisphere have also been reported. The disease occurred in Argentina in 1940, followed by Hawaii, Fiji, the Dominican Republic, Martinique, Brazil, Bolivia and Guyana, and most recently in Jamaica. Jamaica is only 100 miles from Cuba, while Cuba is only about 90 miles from Florida. This serious disease