Analysis on Grey Correlative of several drought Resistance indexes of different alfalfa varieties
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DOI:10.7606/j.issn.1000-7601.2008.03.20
Key Words: drought ressistance  subordinate function  grey correlative analysis  correlative degree
Author NameAffiliation
WU Xiaoli The Agricultural Research Center in Arid and Semiarid Areas Northwest A & F UniversityYangling Shaanxi 712100China 
HAN Qingfang The Agricultural Research Center in Arid and Semiarid Areas Northwest A & F UniversityYangling Shaanxi 712100China 
JIA Zhikuan The Agricultural Research Center in Arid and Semiarid Areas Northwest A & F UniversityYangling Shaanxi 712100China 
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Abstract:
      Applying the method of grey correlative analysis.the correlative of drought ressistance of5varieties and 5drought ressistance indexes was analyzed.the results with grey correlative degree analysis showed that:the order of correlative degree of drought ressistance and indexes of 5alfalfa was:Pro>SOD>POD>RWC>leaf water potential.Which meaned that the effection of different indexes to5alfalfa varieties drought resistance were:the Pro was biggest and than SOD、POD and were bigger the leaf water protential was the weakest.