Monosomic analyses of stripe rust and leaf rust resistance genes in winter wheat varieties Lüquyu and Yantar |
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Authors: | Yang Tsomin Shu Wenhua Shen Kequan |
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Institution: | (1) Dept. of Agronomy, Beijing Agricultural Univ., 100094 Beijing, China;(2) College of Biology, Beijing Agricultural Univ., 100094 Beijing, China |
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Abstract: | Summary A set of 21 monosomics of Novosadska Rana-1 was used to locate the rust resistance genes of Lüqiyu, a stripe rust resistant line developed by BAU and Yantar, a leaf rust resistant wheat introduced from Bulgaria. The resistance of the former to p. striiformis race C25 was conditioned by a dominant gene located on chromosome 2B, whereas that of the latter to P. recondita race CL3 was controlled by two complementary dominant genes located on chromosomes 5A and 1D, respectively. The relationship of the stripe rust resistance gene in Lüqiyu to Yr5, Yr7 or Yr
Suwon'
all located on chromosome 2B is unknown. The two complementary leaf rust resistance factors in Yantar appear to be new. |
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Keywords: | Triticum aestivum bread wheat Puccinia striiformis yellow rust stripe rust Puccinia recondita f sp tritici brown rust leaf rust inheritance rust resistance monosomic analysis |
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