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小麦白粉病是由一种白粉病菌(Erysipne graminis f.triticiDC所引致的病害。近年来,北京郊区由于生产条件的改变,引起了田间生态条件的变化,小麦白粉病由原来较为次要的病害变化为逐年发展的主要病害。为了掌握此病在北京地区发生和流行的规律,找出有效的防治措施,力求达到控制和减轻此病对小麦产量的影响,我们自1978年到1980年对怀柔县小麦白粉病的流行动态和防治途径进行了调查、研究。总结如下:
Wheat powdery mildew is caused by a disease caused by Erysipne graminis f. TriticiDC. In recent years, changes in production conditions in the suburbs of Beijing have caused changes in the ecological conditions in the field. Wheat powdery mildew has changed from a more minor disease For the development of major diseases year by year.In order to grasp the occurrence and prevalence of the disease in Beijing law to identify effective prevention and control measures to achieve control and reduce the impact of the disease on wheat yield, we from 1978 to 1980 Huairou County The prevalence of wheat powdery mildew and its prevention and treatment were investigated and studied as follows: