高粱是世界上重要的禾谷类作物之一,仅次于小麦、水稻、玉米和大麦,居第五位~([1])。高粱也是我国最早栽培的作物之一。在生产上,高粱病害是制约产量提高的重要因素。目前己报道的高粱病害有60余种~([2]),较普遍发生的有15种~([3])。2014年,在内蒙古民族大学农场发现一种新病害,在农场种植的 Sorghum is one of the most important cereal crops in the world, second only to wheat, rice, corn and barley, ranking fifth (1). Sorghum is one of the earliest cultivated crops in China. In production, sorghum disease is an important factor restricting the yield increase. So far, more than 60 species of sorghum (~ 2) have been reported and 15 species ~ (3) are more common. In 2014, a new disease was found on the farms of the Inner Mongolia Nationalities University and planted on the farm