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应用关联分析法，对锦橙８个优选单株果实品质进行了综合评价，明确了最优单株。与等权关联度相比较，加权关联度的评估结果更能反映出果实品质多个性状的实际表现。构造＂理想单株＂和赋予不同性状以不同的权重是灰色关联分析的关键环节。
The correlation analysis method was used to evaluate the fruit quality of 8 preferred plants of Jincheng orange, and the optimal single plant was identified. Compared with the degree of equivalence, the evaluation results of weighted relevance can better reflect the actual performance of multiple traits of fruit quality. Constructing “ideal plant” and giving different traits with different weights are the key links of gray relational analysis.