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Home > Archive>Volume 19, Issue 3, 2018 >510-516. DOI:10.13430/j.cnki.jpgr.2018.03.016
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Study on Characterization and Classification of Branching in Soybean
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The National Key Facility for Crop Gene Resources and Genetic Improvement,Institute of Crop Sciences,Chinese Academy of Agricultural Sciences,The National Key Facility for Crop Gene Resources and Genetic Improvement,Institute of Crop Sciences,Chinese Academy of Agricultural Sciences,The National Key Facility for Crop Gene Resources and Genetic Improvement,Institute of Crop Sciences,Chinese Academy of Agricultural Sciences,Institute of Agricultural Sciences in Hulun Buir,Keshan branch of Heilongjiang Academy of Agricultural Sciences,The National Key Facility for Crop Gene Resources and Genetic Improvement,Institute of Crop Sciences,Chinese Academy of Agricultural Sciences,The National Key Facility for Crop Gene Resources and Genetic Improvement,Institute of Crop Sciences,Chinese Academy of Agricultural Sciences,The National Key Facility for Crop Gene Resources and Genetic Improvement,Institute of Crop Sciences,Chinese Academy of Agricultural Sciences

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    Abstract:

    Branches of soybean are closely associated with plant architecture and yield Accurate identification of branching are of guiding significance for improving the utilization of germplasm resources. In order to identify the stability of accessions which are from Heilongjiang province but grow in Beijing, 49 varieties from Northeast ecological regions of China were selected. Three planting densities of 25 cm, 15 cm and 5 cm were designed under the same spacing for evaluating branch characteristics and density sensitivities of these varieties in 2011 and 2012. The results showed that there were significant differences in the number of branches of different germplasm resources and the sensitive degrees were different among different soybean genotypes. All these varieties were classified into three or four groups based on the number of branches and density-sensitivities, respectively. Taken together, these results provide a theoretical basis for the utilization of these germplasm in different architecture, but also provide a reference for the accurate identification of soybean germplasm phenotype.

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History
  • Received:May 10,2017
  • Revised:March 06,2018
  • Adopted:March 16,2018
  • Online: May 08,2018
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