|Table of Contents|

Study on Leaves at Different Positions of the Canopy Structure andCarbon Release Oxygen and Humidifying and Cooling Correlation

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年01
Page:
98-103
Research Field:
Publishing date:

Info

Title:
Study on Leaves at Different Positions of the Canopy Structure andCarbon Release Oxygen and Humidifying and Cooling Correlation
Author(s):
ZHANG Jingwen; GUO Taijun; LIU Ruiwen; LIN Meng
College of Horticulture,Jilin Agricultural University,Changchun,Jilin 130118
Keywords:
landscape trees; canopy microenvironment; anatomical structure; carbon fixation and oxygen release; humidifying and cooling
PACS:
-
DOI:
10.11937/bfyy.20170498
Abstract:
Euonymus bungeanus （trees) and Lonicera ruprechtiana （shrubs) were selected to investigate anatomical structures of different positions of tree crowns that divided into four layers,surface layer,outer layer,middle layer and inner layer,with tree crown micro environment,carbon fixation and oxygen release and humidifying and cooling,and then their relationship was discussed.The results showed that the transpiration rates of both species different positions of tree crowns were significantly positively correlated with the thickness of epidermis cells,palisade tissue,spongy tissue and leaf thickness,but negatively correlated with xylem.The photosynthetic rate was positively related to leaf cell thickness,spongy tissue and leaf thickness,but negatively correlated with xylem.The correlation was not obvious between air temperature,leaf temperature,air CO2 concentration and anatomical structure.Anatomical structures were correlated to carbon fixation and oxygen release and humidifying and cooling except the phloem of transmission tissue.

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Last Update: 2018-01-12