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应用灰色系统理论中的关联分析法对引种草坪草的返青期、绿化期、抗病性、越冬（夏）率、质地、频度、盖度、密度九项指标的主要性状平均值进行了分析评估，并探讨了灰色关联分析在草坪草引种综合评估中的应用。结果表明，根据各品种的灰色关联分析排序所得结果与品种的实际表现及专家鉴评排序结果是一致的。
Using the gray system theory, the correlation analysis was used to analyze the average value of the main characters of the nine indicators of turfgrass returning green, greening, disease resistance, overwintering (summer) rate, texture, frequency, coverage and density Evaluated and discussed the application of gray relational analysis in the comprehensive evaluation of turfgrass introduction. The results showed that the results obtained by the gray relational analysis of each breed were consistent with the actual performance of the breed and the ranking results of expert evaluation.