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Variation in Chromosome Constitution of the Xiaoyan Series Partial Amphiploids and Its Relationship to Stripe Rust and Stem Rust Resistance

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摘要The wild relatives of wheat (Triticum aestivum L.) contain tremendous amounts of potentially useful genes and represent a promising source of genetic diversity for wheat improvement (Bommineni and Jauhar, 1997).Thinopyrum ponticum (Popd.) Barkworth and D.R.Dewey [syn.Agropyron elongatum (Host) P.Beauv., Elytrigia pontica (Podp.) Holub, Lophopyrum ponticum (Podp.) A.L(o)ve] (2n =10x =70), has high crossability with various Triticum species.Numerous studies have shown that Th.ponticum carries many potentially valuable resistance genes against biotic and abiotic stresses (Shannon, 1978;Cox, 1991;Zheng et al., 2014a,b).Transferring the useful genes from Th.ponticum to common wheat through chromosome engineering had been a successful way to enhance the resistance of wheat to pests and diseases (Sharma et al., 1989;McIntosh, 1991).

作者单位 State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Science, Beijing 100101, China ^[1] Department of Plant Sciences, North Dakota State University, Fargo, ND 58105, USA ^[2]

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发布时间 2016-01-12（万方平台首次上网日期，不代表论文的发表时间）

基金项目

This work was supported by the grants from the National High-Tech Research and Development Program of China （(No.2011AA1001)） the National Key Technology R&D Program of China （(No.2013BAD05B01)） and the National Natural Science Foundation of China （(No.31171539)）