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近年来贵州小麦白粉病日趋严重,急待解决。由于国内对此病初侵染源各说不一,故在防治上所采取的措施也不相同。为了摸清贵州小麦白粉病的初侵染源,给防治工作提供依据,我们做了如下一些工作。调查与试验方法一、调查 1.小麦收获后,分期调查重病田的病残体。2.在大田小麦播种期,调查省内有代表性地区的带病麦秆及自生麦苗。3.小麦收获时,将带有大量闭囊壳的病叶采
In recent years, Guizhou wheat powdery mildew is worsening and needs urgent solution. Due to the different sources of initial infection in the country, the measures taken in prevention and treatment are not the same. In order to find out the primary source of wheat powdery mildew in Guizhou, to provide the basis for prevention and treatment work, we have done some of the following work. Investigation and test methods First, the survey 1. After harvesting wheat, staged investigation sick sick body. 2. In the field of wheat sowing, investigate the province’s representative areas of diseased straw and self-generating wheat seedlings. 3. When harvesting wheat, the diseased leaves will be taken with a large number of closed shell