Identification of a novel source of resistance to the root-knot nematode Meloidogyne incognita in Cucumis
文献类型: 外文期刊
第一作者: Ye, De-You
作者: Ye, De-You;Qian, Chun-Tao;Kurowski, Chester
作者机构:
关键词: Cucurbitaceae;gall size;germplasm;interspecific progenies
期刊名称:RUSSIAN JOURNAL OF NEMATOLOGY ( 影响因子:0.286; 五年影响因子:0.464 )
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年卷期:
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收录情况: SCI
摘要: Cucumis species germplasm was evaluated for resistance to the root-knot nematode, Melodogyne incognita. The disease index (DI) score for Cucumis hystrix was smaller than for the susceptiple control C. sativus cv. Beijingjietou. Additionally, numerouslarge galls were found on cv. Beijingjietou, while only a few small galls were found on C. hystrix. Cucumis hystrix infected with M. incognita also had more lateral roots compared to the susceptible control. Furthennore, interspecific progenies derived from the cross between C. hystrix and cv. Beijingjietou had a high level of resistance to M. incognita. Thus, C. hystrix could serve as a valuable M. incognita-resistant source for cucumber improvement.
分类号: Q18
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