|Table of Contents|

Dust Catching Property and Leaf Surface Micro-structure of Evergreen Plants in Taiyuan,Shanxi

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年14
Page:
80-86
Research Field:
Publishing date:

Info

Title:
Dust Catching Property and Leaf Surface Micro-structure of Evergreen Plants in Taiyuan,Shanxi
Author(s):
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WANG Song1,KANG Hongmei1,WANG Jin1,WANG Jun2,BO Wei1
Keywords:
Taiyuan city; evergreen plants; dust catching property; leaf surface micro-structure
PACS:
-
DOI:
10.11937/bfyy.20203837
Abstract:
The leaves of 4 evergreen plants in Taiyuan were used as experimental materials,the weight per unit leaf weight and fine particulate matter per leaf area of 4 evergreen plants in Taiyuan,Shanxi Province were measured by weighing method.The leaf surface micro-structure of evergreen plants was observed by scanning electron micro-scope,and the dust retention capacity of evergreen leaves was analyzed and compared in order to explain the influence mechanism of leaf surface microstructure characteristics of evergreen plants on the adsorption capacity of fine particles in the air.The results showed that there were some differences in dust retention per unit weight and leaf area of different plants,and the dust retention ranges were 0.012-0.035 μg·cm-2 and 2.39-8.52 μg·cm-2,respectively.The difference of the width of the grooves on the leaf surface may be one of the main reasons for the differences of fine particles adsorption by different plants.When the groove was too narrow,it was difficult to retain fine particles,and the deeper the groove,the greater the adsorption capacity of fine particles.There was a certain correlation between stomatal width and the adsorption effect of fine particles on leaf surface.The results showed that the dust retention capacity of fine particulate matter per unit leaf area of shrub was higher than that of herb.Ligustrum×vicaryi and Buxus microphylla with wider and deeper leaf surface grooves could retain more PM2.5 and other fine particles per unit leaf area.

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Last Update: 2021-11-13