Evaluation of ornamental value of Coffea liberica in Hainan Island
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摘要: 以128株海南岛大粒种咖啡实生种质资源为基础，通过对其观赏性状进行调查统计，并运用层次分析法（AHP）选取C1叶、 C2果、 C3花、 C4其他共4个评价准则和14个评价因子建立海南岛大粒种咖啡观赏性状评价体系。同时，对128株海南岛大粒种咖啡单株进行观赏等级划分，以期为海南岛大粒种咖啡的园林绿化应用及观赏良种选育提供参考依据。结果表明：（1）总排序值中，C2(0.534)果所占权重最大，其次是C1(0.240)花，这表明花果的观赏性状对于大粒种咖啡资源的观赏评价具有重要影响。（2） 14个评价指标中，P4成熟果实颜色（28%）、 P6果期（17.8%）、 P10花枝量（13.8%）是影响大粒种咖啡观赏价值的主要指标。（3）根据综合指数分值，可筛选出63株优良大粒种咖啡单株，有望成为园林景观生产中的重要资源。综上所述，运用AHP层次分析法可有效地对大粒种咖啡进行综合评价，筛选出适宜海南热带景观运用的大粒种咖啡单株，并为其在景观园林中应用推广奠定基础。Abstract: Currently, there is a lack of emphasis on the ornamental value evaluation and germplasm collection of Coffea liberica in China, making it difficult to systematically select outstanding C. liberica clones, which also restricts the commercial cultivation and application of superior selections of C. liberica in landscapeing.. In Hainan Island 128 individual seedling trees of C. liberica germplasm were selected for survey and statistical analysis of their ornamental traits Four evaluation criteria such as C1 leaf, C2 fruit, C3 flower and C4 others, and 14 evaluation factors were selected by using the analytic hierarchy process（AHP） to establish an evaluation system for the ornamental traits of C. liberica in Hainan Island. Meanwhile, the ornamental grades of 128 Coffea liberica individual seedling trees were evaluated to provide reference for landscape application and selection of elite ornamental individuals. The results show that in the overall ranking value C2（0.534） fruit has the highest weight, followed by C1（0.240） flower, which indicates that the ornamental traits of flowers and fruits have significant impact on the ornamental evaluation of C. liberica resources. Among the 14 evaluation indicators, P4mature fruit color（28%）, P6 fruiting period（17.8%）, and P10 number of flower branches（13.8%） are the main indicators affecting the ornamental value of C. liberica. Based on the comprehensive index score, 63 superior C.liberica individual plants were selected, which can be an important resource for landscape application. In conclusion, the AHP method can be effectively used to conduct a comprehensive evaluation of C. liberica germplasm, and select the most suitable individual plants for landscape application in Hainan, laying a foundation for their widespread promotion in gardens.
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