Drought-Resistance Evaluation of Qingke Germplasm Resources
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Academy of Agricultural and Forestry Sciences,Qinghai University / Laboratory for Research and Utilization of Qinghai Tibet Plateau Germplasm Resources / Qinghai Key Laboratory of Hulless Barley Genetics and Breeding / Oinghai Hulless Barley Subcenter of National Triticeae Improvement Center

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The National Natural Science Foundation of China (General Program, Key Program, Major Research Plan)

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    Abstract:

    Drought was one of the major stresses in Tibetan Plateau region. To identify the characteristics and breeding dought-tolerance varieties is economical strategy to improve drought -resistance in Qingke. The drought-resistance of 246 Qingke germplasm resources was evaluated at seedling and reproductive stages in this study. At seedling stage, the population drought resistance was classified step by step by measuring ion leakage. In addition, a comprehensive evaluation model and index for drought-resistance was established at reproductive stage and appropriate evaluation indexes were selected. The plant height (PH), spike length (SL), kernels per ear (KN), and thousand grain weight (TGW) of 246 Qingke germplasm resources were measured and analyzed by using various methods

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History
  • Received:June 19,2024
  • Revised:July 31,2024
  • Adopted:November 15,2024
  • Online: November 15,2024
  • Published:
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