小麦矮化腥黑穗病为小麦的国际性危险病害之一,目前该病巳流行于欧美,包括苏、波、匈、捷、保、罗、南、法、德、意、比、瑞士、奥地利、加拿大、美国以及阿根廷等地,成为威胁这些国家小麦生产的一个主要问题。亚洲已发现的有阿富汗,伊拉克及巴基斯坦等国。该病能够经由种子及土 Wheat dwarfed tangled smut is one of the international dangerous diseases of wheat. At present, the disease has prevailed in Europe and the United States, including the Soviet Union, Poland, Hungary, Czech Republic, Bulgaria, Romania, South Africa, France, Germany, Italy, Belgium, Switzerland, Austria, Canada, the United States and Argentina have become a major problem that threatens wheat production in these countries. Asia has been found in Afghanistan, Iraq and Pakistan and other countries. The disease can pass through seeds and soil