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Integrated Evaluation of New Corn Hybrid Strain with the Theory of Gray-system

Xiwu Ding The plant Science and Technology College of the Heilongjiang"Aug.1th"Land Reclamation University  
This thesis integrated evaluated 12 corn hybrid strains with the degree of association analytical methood of gray-system.According to the principle of the degree of association analytical method of the gray-sys- tem,the more higher of the degree of association,the more approach to the idea hybrid strain.All corn hybrid strains in the experiment,as the Suiyu7,Kenyu6,Haiyu9,Hongyu9,Jiashi14,the degree of association are much higher.This indicated that these hybrids strains stronger at the integrated adaptability and should increase the planted acreage in the local area Meanwhile,the Longdan16,Longdan13,Sizao12,Mudan10,Longdan8 and Sizao11,their degree of as- sociation is much lower and all-around characters are relatively poor that should be eliminated through selection
【CateGory Index】: S513
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