论文部分内容阅读
经过10余年小麦白粉病综合治理系统研究,摸清了东北春麦区小麦白粉病初菌源来源及侵染循环规律,建立了准确度达86%以上的预测小麦白粉病发生与流行的预测式,明确了东北春麦区小麦白粉病菌的小种种群构成及毒力频率。筛选小麦白粉病的抗病品种,并培育和推广适合辽河流域的抗白粉病品种。将综合治理技术组装配套,建立了综合治理体系,并进行大面积示范,取得显著社会、经济和生态效益。
After more than 10 years of comprehensive management system of wheat powdery mildew, we have found out the origin of primary bacterial source and infection cycle of wheat powdery mildew in spring wheat region of northeast China, and established the predictive formula of predicting the occurrence and prevalence of wheat powdery mildew with the accuracy of 86% Clarified the population structure and virulence frequency of wheat powdery mildew in Northeast spring wheat area. Screening wheat powdery mildew resistant varieties, and cultivate and promote suitable powdery mildew resistant varieties in the Liaohe River. The comprehensive management of technology assembly and support, the establishment of a comprehensive management system, and large-scale demonstration, and achieved significant social, economic and ecological benefits.