基于层次分析法的榆林地区彩叶植物综合评价

Comprehensive Evaluation of Colored-leaf Plants in Yulin Based on Analytic Hierarchy Process

通过对榆林市木本彩叶植物资源进行实地调查,应用层次分析法,依据彩叶植物的整体特征、生态适应性及观赏价值,构建榆林市彩色叶植物综合评价体系。选取近年来榆林市野生和各类绿地使用的金叶槐(Sophora japonica‘jinye’)、复叶槭(Acer negundo)、紫叶矮樱(Prunus×cistena)等152种彩叶植物进行全面评价分析。结果表明:植株叶色、彩叶观赏期、抗旱性和抗寒性因子在彩叶植物评价中占有重要的地位。依据综合评价将彩叶植物分成4个等次:金枝槐(Sophora japonica‘Winter Gold’)等28种彩叶植物的应用价值优良,金叶复叶槭(Acer negundo‘Auea’)等33种彩叶植物的应用价值较高,榆叶梅(Amygdalus triloba)等47种彩叶植物的应用价值一般,垂丝海棠(Malus halliana)等44种彩叶植物的应用价值较差。

Based on the field survey of colored-leaf plant resources in Yulin,China,152 color-leafed plants,such as Sophora japonica‘Jinye’,Acer Negundo,Prunus cistena and Tamarix Ramosissima,which are used in the wild and various green lands in Yulin in recent years,are selected,the overall feature,ecological adaptability and ornamental ability of color-leafed plants are fully investigated,and a comprehensive evaluation model of color-leafed plants is established by using analytic hierarchy process.According to the specific evaluation index and grading standard of colored-leaf plants,152 species of colored-leaf plants in Yulin are comprehensively evaluated.The results show that the factors of leaf color,color leaf ornamental stage,drought resistance and cold resistance play an important role in the evaluation of color leaf plants.According to the value of comprehensive evaluation,these plants are divided into 4 grades:28 kinds of colored-leaf plants such as Sophora japonica‘Winter Gold’have good application value,and 33 kinds of colored-leaf plants such as Acer Negundo‘AUEA’have high application value,the application value of 47 color-leafed plants,such as Amygdalus Triloba,is average,while that of 44 color-leafed plants,such as Malus Halliana,is poor.