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从1983年以来,笔者对西藏麦类种传病害的种类、发生与危害等情况进行了调查,结合前人的研究资抖,现简要报告如下。发生危害情况西藏高原凉爽干燥的气候,加上群山环绕,气传病害中除了锈菌的夏孢子可以通过高空远距离传播,受群山环绕及气候条件的影响较小外,其它气流传播的病害,大多受其限制,表现局部性的发生。而发生严重的病害中,大多属种传性的,经初步调查有16种(见
Since 1983, the author investigated the types, occurrences and harms of the wheat germ-borne diseases in Tibet. Combined with the research results of previous studies, the present report is as follows. Hazard situation Cool and dry climate on the Tibetan Plateau, surrounded by mountains, airborne diseases in addition to the rust spores of the bacteria can be transmitted through high altitude long distance, surrounded by mountains and the impact of climatic conditions, the other air-borne Diseases, mostly by their limitations, the performance of local occurrence. In the case of serious diseases, most of them are hermaphroditic, after a preliminary investigation of 16 species (see