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Identification of known leaf rust resistance genes in bread wheat cultivars from China

Author

Listed:
  • Xiaocui Yan

    (Department of Plant Pathology, College of Plant Protection, Hebei Agricultural University, Baoding, Hebei, P.R. China)

  • Takele-Weldu Gebrewahid

    (College of Agriculture, Aksum University, Shire-Indaslassie, Tigray, Ethiopia)

  • Rui Dong

    (Department of Plant Pathology, College of Plant Protection, Hebei Agricultural University, Baoding, Hebei, P.R. China)

  • Xing Li

    (Department of Plant Pathology, College of Plant Protection, Hebei Agricultural University, Baoding, Hebei, P.R. China)

  • Peipei Zhang

    (Department of Plant Pathology, College of Plant Protection, Hebei Agricultural University, Baoding, Hebei, P.R. China)

  • Zhanjun Yao

    (College of Agronomy, Hebei Agricultural University, North China Key Laboratory for Crop Germplasm Resources of China's Education Ministry, Baoding, Hebei, P.R. China)

  • Zaifeng Li

    (Department of Plant Pathology, College of Plant Protection, Hebei Agricultural University, Baoding, Hebei, P.R. China)

Abstract

Leaf rust caused by Puccinia triticina Eriks. (Pt) is one of the most devastating fungal pathogens affecting wheat (Triticum aestivum L.) production worldwide. Deployment of resistant cultivars is the most environmentally friendly approach to control the disease. In this study, thirty-seven wheat lines from the Hubei and Shaanxi provinces in China were evaluated for seedling resistance in the greenhouse using eighteen Pt races. These lines were also tested for slow rusting resistance in the field in the 2014 to 2018 growing seasons. Eleven molecular markers closely associated with known Lr genes were used as part of the postulation process. Seven known Lr genes, 1, 13, 18, 14a, 26, 34 and 46 either singly or in combination were postulated in twenty-five cultivars. Lr1 and Lr26 were the most commonly identified genes detected in thirteen and ten cultivars, respectively. Lr13 and Lr46 were each found in four and five cultivars. Lr34 was present in three cultivars. Lr18 and Lr14a were identified in cultivar Xi'nong 538. Six cultivars displayed slow rusting resistance in the field tests. The resistant cultivars identified in the present study can be used as resistance parents in crosses aimed at pyramiding and the deployment of leaf rust resistance genes in China.

Suggested Citation

  • Xiaocui Yan & Takele-Weldu Gebrewahid & Rui Dong & Xing Li & Peipei Zhang & Zhanjun Yao & Zaifeng Li, 2021. "Identification of known leaf rust resistance genes in bread wheat cultivars from China," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 57(3), pages 91-101.
    • Handle: RePEc:caa:jnlcjg:v:57:y:2021:i:3:id:6-2021-cjgpb
    DOI: 10.17221/6/2021-CJGPB
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    Cited by:

    1. Huali Yang & Wenda Diao & Xiaocui Yan & Takele-Weldu Gebrewahid & Zaifeng Li & Zhanjun Yao, 2023. "Identification of genes for leaf rust resistance in seedlings of wheat cultivars from the Yellow-Huai Basin in China and slow rusting observations in field trials," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 59(4), pages 219-234.

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