小麦矮腥黑穗病 Tilletia contraversa Kuhn 是一种国际性的危险病害,被列为我国对外植物检疫对象。随着国际间贸易的发展,我国从美国、加拿大、罗马尼亚等国家进口的小麦中以及从疫区来的牧草、饲料中曾多次发现了小麦矮腥黑穗病。在小麦卸货过程中,一般每船分舱检查和取样三次(上、中、下三层)或四次,由于在实际的检疫工作中,有时在 Tilletia contraversa Kuhn is a kind of international dangerous disease, which is listed as the foreign phytosanitary object of our country. With the development of international trade, wheat dwarfed head smut has been found many times in wheat imported from the United States, Canada, Romania and other countries as well as pasture and feed from the epidemic area. In the process of unloading wheat, ships are usually subdivided for inspection and sampling three times (upper, middle and lower floors) or four times per ship, since in actual quarantine work, sometimes