Identification of Associations between SSR Markers and Sitobion avenae Tolerance Trait in Bread Wheat

Li, F.Q. and Peng, J.H. (2014) Identification of Associations between SSR Markers and Sitobion avenae Tolerance Trait in Bread Wheat. Cereal Research Communications, 42 (1). pp. 111-118. ISSN 0133-3720

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Abstract

The bread wheat germplasm comprising of 222 accessions was evaluated for tolerance to Sitobion avenae. A 1000-kernel weight loss rate and an unbiased test of the tolerance were used to quantify tolerance trait. The population structure analysis revealed three subpopulations in this wheat collection. After 103 SSR loci which evenly covered all wheat chromosomes were scanned for association, eight SSR loci significantly associated with S. avenae tolerance. The information reported in this study would be helpful for wise utilization of the S. avenae tolerant germplasm and selection of parental lines in wheat breeding programs.

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