小麦矮腥黑穗病 TilletiacontroversaKühn 是我国对外植物检疫对象,已知分布于世界五大洲二十九个国家,其中美国、加拿大、澳大利亚、南斯拉夫、罗马尼亚、苏联、法国、德国、瑞士、奥地利、丹麦、日本、巴基斯坦、伊朗、阿富汗等国家均与我国有较多的交往或与我相邻。1978年经鉴定确认在新疆境内发生。当年为大流行年,冬小麦发病面积十六万五千多亩,一般发病率10—30%,高的达70—90%,因病毁种1000 TilletiacontroversaKühn is a foreign plant quarantine object of our country. It is known to be distributed in 29 countries on five continents, including the United States, Canada, Australia, Yugoslavia, Romania, the Soviet Union, France, Germany, Switzerland, Austria, Denmark, Japan, Pakistan, Iran, Afghanistan and other countries have more contacts with or with my country. Confirmed in 1978 in Xinjiang occurred. Year was a pandemic, the incidence of winter wheat area of ​​165000 acres, the general incidence of 10-30%, high of 70-90%, due to the destruction of 1000