【摘要】 本文以宜春学院常见的香樟（Cc）、红花檵木（Lc）、红叶石楠（Ps）、金边黄杨（Ej）、杜英（Es）、木樨（Of）、广玉兰（Mg）、海桐（Pt）、小叶女贞（Lq）、山茶（Cj）为研究对象，对这10种常绿植物叶片进行单位叶面积滞尘量的测定，并进行综合指标评价。结果表明，园林植物滞尘能力的指标可分为3个层次，其中红叶石楠滞尘能力最强，香樟和杜英滞尘能力最弱，在粉尘同一来源的情况下，不同园林树种的滞尘能力有显著差异；10种园林植物综合滞尘能力按从大到小排列顺序为：Ps、Lc、Lq、Mg、Pt、Ej、Of、Cj、Es、Cc；通过叶面微结构观察，叶面气孔开度、叶面绒毛及叶面粗糙度等叶面特征是影响滞尘效果的重要因素。更多还原

【Abstract】 In this paper, 10 common evergreen species on Campus of Yichun University were the study objects including Cinnamomum camphora(Cc), Loropetalum chinense var. rubrum(Lc), Photinia × fraseri(Ps), Euonymus japonicus’ Aurea-marginatus’(Ej), Elaeocarpus decipiens(Es), Osmanthus fragrans(Of), Magnolia grandiflora(Mg), Pittosporum tobira(Pt), Ligustrum quihoui(Lq)and Camellia japonica(Cj) to measure the dust-retention volume per unit leaf area and carry out comprehensive index evaluation. The results showed that the dust-retention capacity indexes of the landscaping plants could be divided into 3 levels in which Photinia ×fraseri had the highest dust-retention capacity while C. camphora and E. sylvestris had the lowest capacity. The dust-retention capacities of different landscaping species were significantly different for the same sourced dust. The ranking for the comprehensive dust-retention capacity of the 10 landscaping species was: Ps >Lc >Lq >Mg >Pt >Ej >Of >CJ >Es >Cc. Observation of the leaf microstructure showed that the leaf surface features including stomatal aperture, surface pubescence and roughness were key dustretention factors.更多还原