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介绍了灰色系统理论中关联度分析的基本原理和方法，并探索了灰色并联分析在水稻新品种（系）综合评估中的应用。结果表明：依据各品种（系）的灰色关联度排序所进行的综合评估的结果与实际表现基本一致。文中还探讨了选择理想参考品种和性状权重的重要性，及在遗传育种上应用的可能性。
This paper introduces the basic theory and method of relevance analysis in gray system theory and explores the application of gray parallel analysis in comprehensive evaluation of new rice varieties. The results show that the results of comprehensive evaluation based on the gray relational grade of each breed (line) are basically in accordance with the actual performance. The paper also discusses the importance of choosing ideal reference species and trait weight, and the possibility of applying it in genetic breeding.