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Evaluation of foliar resistance to Uncinula necator in Chinese wild Vitis species

机译:中国野生葡萄叶片对Uncinula necator的抗性评价。

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摘要

Resistance to grape powdery mildew (Uncinula necator BURR.) of 13 known Vitis species and 5 unclassified grapes native to China was evaluated. 88 clones were tested with natural infection and a subset of 34 were artificially inoculated during the years of 1991-1992. 68 clones showed resistance to U. necator. In general, we found clones of V. bryoniifolia, V. davidii, and V. piasezkii resistant to U. necator. However, intraspecific variations were observed. Results from this study indicate that Chinese native wild grapes may provide valuable germplasm resources for powdery mildew resistance.
机译:评估了13种已知的葡萄品种和5种中国本土的未分类葡萄对白粉病的抵抗力(Uncinula necator BURR。)。在1991-1992年期间,对88个克隆进行了自然感染测试,并人工接种了34个子集。 68个克隆显示出对U. necator的抗性。一般而言,我们发现了对U. necator有抗性的V. bryoniifolia,V。davidii和V. piasezkii的克隆。但是,观察到种内变异。这项研究的结果表明,中国本土的野生葡萄可能为白粉病抗性提供有价值的种质资源。

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