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采用田间病情指数调查的方法,对收集保存的30份农家类型优质秋子梨种质资源黑星病的发生情况进行了调查分析。结果表明,这些种质资源对黑星病抗性有显著差异。叶片的病情指数为0.65-13.85,叶柄为0.0~10.65。
Using the method of field disease index survey, the incidence of scab in 30 high quality cultivars of Qiagem pear collected and preserved were investigated and analyzed. The results showed that these germplasm resources have significant differences in their resistance to scab. The disease index of leaves was 0.65-13.85 and the petiole was 0.0 ~ 10.65.