麦类黑穗病广泛发生于世界各国产麦区，是麦类的一种重要病害。小麦腥黑穗病是我国小麦减产的重要病害之一，通常其发病率为15％左右，因此病减产约为10－20％。小麦腥黑穗病不仅使小麦减产，还影响面粉质量；当面粉含有较多菌疫和抱子时不仅有鱼腥气味，而且色泽较差。目前， Wheat smut widely occurs in the world’s wheat-producing areas, wheat is an important disease. Wheat’s smut is one of the most important diseases of wheat cut in China. The incidence is usually about 15%, so the yield reduction is about 10-20%. Wheat Tartarus not only reduces the yield of wheat but also affects the quality of the flour. When the flour contains more bacteriosis and spores, it not only has fishy smell, but also has a poor color. Currently,