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Home > Archive>Volume 21, Issue 3, 2020 >507-516. DOI:10.13430/j.cnki.jpgr.20191107002
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Genetic Localization and Marker Assisted Breeding of Grain Weight-Related Genes in Common Wheat
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Affiliation:

1.Isotope Institute Co, Ltd, Henan Academy of Sciences/Henan Key Laboratory of Nuclear Agricultural Sciences;2.Agronomy College, Henan Agricultural University/Collaborative Innovation Center of Food Crops in Henan Province;3.Agricultural Economy and Information Research Institute, Henan Academy of Agricultural Sciences

Fund Project:

Henan Wheat Industry Technical System Construction Special Fund Support Project (Z2010-01-04), Science and Technology Research Project of Henan province (182102110057), Basic Scientific Research Project of Henan Academy of Sciences (190604015)

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    Abstract:

    Grain weight, as one of the three components, directly associates to the wheat yield production. Grain weight is recognized as a complex quantitative trait which is largely controlled by multiple functional genes/loci and which is also affected by genotype-environment interaction. The genes controlling the grain weight and its components are found to be distributed on each chromosome of three wheat sub-genomes. Many molecular markers in wheat grain weight assisted selection have become applicable.The advances on the genetic characteristics, gene location, molecular mechanism and external factors affecting the grain weight formation have made with the contributions of national and international scholars. In this paper, the composing factors and influencing factors of wheat grain weight have been reviewed. The genetic localization, molecular cloning and allelic variation mining of the underlying genes are described, and the development of gene-based functional markers as well as the application in marker assisted breeding are summarized, as well as the future research prospects of wheat grain weight are proposed.

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History
  • Received:November 07,2019
  • Revised:December 18,2019
  • Adopted:February 12,2020
  • Online: May 18,2020
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