郑州市紫薇品种引种适应性及观赏性评价

以引进的14个紫薇优良品种为试验材料，对其适应性、观赏性所包含的11个指标进行调查及评分，运用层次分析法、聚类分析法进行综合评价分析，筛选出综合价值高的紫薇品种，以期为郑州市栽植应用紫薇新品种提供参考依据及建议。结果表明：适于本地种植的观赏价值高的树种（I级）有：晓明1号、A65、A55、火红紫叶、飞雪紫叶；在本地应用价值一般的树种（II级）有：A45、A64、A10、A19、A48、A43；在本地应用价值较低的树种（III级）有：A13、A03、A11。

Adaptability and Ornamental Evaluation of Crape Myrtle Varieties in Zhengzhou

This study uitilized 14 excellent crape myrtle varieties introduced from different regions as experimental materials, we investigated and scored 11 indicators,including adaptability and ornamental value. Analytic Hierarchy Process and cluster analysis were used for comprehensive evaluation and analysis to screen out crape myrtle varieties with high comprehensive value.The aim is to provide references and suggestions for the cultivation and application of new crape myrtle varieties in Zhengzhou. The results showed that the tree species with high ornamental value (Level I) and suitable for local area include: Xiaoming 1, A65, A55, Huohongziye, and Feixueziye; Tree species with average local application value (Level II) include A45, A64, A10, A19, A48, and A43; Tree species with lower local application value (Level III) include A13, A03, and A11.