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本文应用灰色系统理论中的关联度分析方法，对我所1996年玉米新品种比较试验的考查结果进行综合评估，结果与品种实际表现基本一致。证明由于各性状时品种的重要性不同，在给出不同的权重系数时，运用灰色关联分析对玉米新品种进行多性状综合评估比单纯依靠产量结果对参试组合进行评估更具科学性。此法可作为玉米品比或区试中对参试品种进行综合评估的一种有效方法。
In this paper, we use the gray system theory of correlation analysis method to test our 1996 maize variety comparative test results were evaluated, the results and the actual performance of the species is basically the same. It is proved that it is more scientific to use the gray relational analysis to evaluate the multi-trait comprehensive evaluation of the new maize varieties than to rely solely on the yield results when the different weight coefficients are given due to the importance of the cultivars. This method can be used as a maize ratio or regional test in the comprehensive evaluation of the varieties tested an effective method.