[Objective] To study dust retention ability of greenland plants in culture square of the Tangshan Iron and Steel Company.[Method] The dust retention effects of landscape plants for different plant kinds and synusia types were analyzed by sampling investigation and laboratory analysis.[Rsult] There was a significant difference on dust retention ability in different plant kinds and synusia types,which was mainly related to the leaf surface characteristics,branch intensive degree and plant configuration.In arbor trees,the dust retention ability of Platanus acerifolia,Magnolia denudata,Populus tomentosa,Crataegus pin natifida,Picea wilsonii,Pinusbungeana and Pinus tabulaeformis was higher.In shrub trees,the dust retention ability of Hibiscus syriacus,Prunus triloba and Sabina vulgalis was higher.In grass,the dust retention ability of Chrysanthemum morifolium and Heliopsis helianthoides was higher.The dust retention ability of tree species in different types had bigger difference,and the order of the dust retention ability was hedge,broad-leaved shrub,grass,deciduous broad-leaved arbor,the dust retention ability of coniferous shrub was higher than conifer arbor.[Conclusion] The study can provide theoretical basis for the construction of greenfield and selection of plant variety in the industrial and mining area of Tangshan City.%[目的]研究唐钢文化广场绿地植物的滞尘能力.[方法]在对工矿区绿地实地调查的基础上,分析工矿区绿地不同植物种类和层面类型的滞尘能力.[结果]不同层面和种类园林植物的滞尘能力存在较大差异,这与植物的叶片表面特征、枝叶密集程度和植物的配置方式有关.乔木中,悬铃木、玉兰、毛白杨、山楂、青扦、白皮松和油松等的滞尘能力较强;灌木中,木槿、榆叶梅和砂地柏等的滞尘能力较强;草本植物中,地被菊和赛菊芋的滞尘能力较强.不同层面园林植物的滞尘能力存在显著差异,由高到低依次为绿篱、落叶阔叶灌木、草本植物、落叶阔叶大乔木、落叶阔叶小乔木;针叶灌木滞尘能力高于针叶乔木.[结论]该研究为唐山市工矿区绿地建设和植物品种选择提供理论依据.
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