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Acta Agron Sin ›› 2007, Vol. 33 ›› Issue (04): 523-530.

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Reviews of Association Analysis for Quantitative Traits in Plants

YANG Xiao-Hong1,YAN Jian-Bing1,ZHENG Yan-Ping1,YU Jian-Ming2,LI Jian-Sheng1*   

  1. 1National Maize Improvement Center of China, Key Lab of Crop Genomics & Genetic Improvement of Ministry of Agriculture, China Agricultural University, Beijing, 100094, China; 23004 Throckmorton Plant Science Center, Kansas State University, Manhattan, KS, 66506-5501, USA
  • Received:2006-06-08 Revised:1900-01-01 Online:2007-04-12 Published:2007-04-12
  • Contact: LI Jian-Sheng

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Abstract:

Recently, association analysis has been widely employed to investigate quantitative traits in plant genetics and breeding. Association analysis is an approach to identify the relationship of molecular markers or candidate genes with traits in a given population based on linkage disequilibrium (LD). Here, we introduced the definition and measurements of LD and reviewed the advances of association analysis for the investigation of quantitative traits in plants. The effects of mating systems, such as recombination, genetic drift, and population structure to the patterns of LD were discussed. Finally, we also discussed the potential application of association analysis for dissecting quantitative traits and plant molecular breeding.

Key words: Association analysis, Linkage disequilibrium (LD), Quantitative trait

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