不同园林植物个体滞尘能力评价

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中图分类号：S731.2 文献标识码：A doi：10.13601/j.issn.1005—5215.2026.01.009

Abstract Taking ten typical greening tree species with high usage frequency and more than ten years of planting among street tres in Ganzhou District，Zhangye City，including Sophora japonica，Ulmus densa，Salix babylonica， Catal pa ovata Prunus×cistena ，Amygdalus persica ，Syringa oblata ，Swida alba ，Forsythia suspensa ，and Amygdalus triloba，as test materials，the dust retentionamount on leaves was determined bythe water washing，filtration and weighing method，and the dust retention capacity of each tree species was analyzed and studied. The results showed that the dust retention capacity per unit leaf area of arbor species from high to low was in the order： Ulmus densa， ，Amygdalus persica ，Catalpa ovata ，Sophora japonica ，Salix babylonica. For shrub species，the dust retention capacity from high to low was Swida alba，Amygdalus triloba，Syringa oblata，Forsythia suspensa. Cluster analysis revealed as folows： Class I （highest dust retention capacity） included Ulmus densa ;Class 1 included Prunus X cistena，Amygdalus persica，Swida alba ; Class II included Amygdalus triloba ; Class IV （weakest dust retention capacity） included Catalpa ooata，Sophora japonica，Salix babylonica，Syringa oblata， Forsythia suspensa. In urban landscaping of Zhangye City，the planting of Ulmus densa ， Prunus×cistena，Amyg- （2 dalus persica，and Swida alba should be increased in areas with high dust concentration to reduce thecontentof atmospheric particulate matter in the city.

Key wordsgarden plants;dust retention capacity;dust retention amount per single leaf

随着我国城市化和工业化进程的加快，大量城市出现了大气粉尘超标现象，大气悬浮颗粒物对人类的健康产生了严重影响[1-2]，对人们生活造成了不可估量的损失 [3-4] 。（剩余3268字）