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Acta Prataculturae Sinica ›› 2009, Vol. 18 ›› Issue (3): 255-259.

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Analysis of the grey incidence of wild Trifolium pratense drought resistance
in the three gorges reservoir area

HE Wei1, FAN Yan1, WANG Lin1, XU Yuan-dong1, QING Xiao-peng2, PENG Yan2   

  1. 1.Chongqing Academy of Animal Sciences, Chongqing 400015, China;

    2.Sichuan Agriculture University, Ya’an 625014, China
  • Received:2008-08-01 Online:2009-06-20 Published:2009-06-20

Abstract: Ten indexes were determined for 9 wild accessions collecting from the three gorges reservoir area and 3 varietie of Trifolium pratense under drought stress at the seedling stage. Screeding identification indexes and comprehensive exaluation were studied by grey correlative degree analysis. The results showed that three indexes including ground biomass, MDA content and chlorophyll a content were important in drought stress. The sequence of drought resistance of 12 T. pratense from strong to weak was: Red>CQ5>CQ9> Dory>CQ2>CQ4>CQ7>CQ3>CQ1>WuXi>CQ8>CQ6.

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