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1991～1995年在田间小麦成株地测定了1149份生产品种、后备品种（系）及高代材料和1244份国内外各类小麦资源对白粉病的抗性。筛选出427份材料达中抗以上抗性水平，占参试材料17．8％。鉴定发现：各类抗性材料很不平衡，生产主栽品种抗性极差，后备品种（系）抗性惭强。高代材料抗性更强．后者抗性比率均在61．7％～96．5％之间。说明在东北春麦区白粉病流行体系内品种抗性有增强的趋势．
From 1991 to 1995, 1149 cultivars, reserve varieties (lines) and high-generation materials and 1244 domestic and foreign wheat resources were tested for resistance to powdery mildew in the field. A total of 427 materials were screened to resist the above resistance, accounting for 17.8% of the tested materials. Identification found that: all kinds of resistance material is not balanced, the main cultivars produced very poor resistance, reserve varieties (lines) ashamed strong resistance. High generation of materials more resistant. The latter resistance rates were between 61.7% and 96.5%. This indicated that there was an increasing trend of resistance in the powdery mildew epidemic system in spring wheat region of Northeast China.