|Table of Contents|

Influences of Different Shading on Leaf Temperature and Physiological Response to the Summer High Temperature of Rhododendron pulchrum(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年07期
Page:
74-77
Research Field:
Publishing date:

Info

Title:
Influences of Different Shading on Leaf Temperature and Physiological Response to the Summer High Temperature of Rhododendron pulchrum
Author(s):
LIAO Jin; ZHOU Hong; LIU Bing; XIA Yi-ping
College of Agriculture and Biotechnology，Zhejiang University，Hangzhou，Zhejiang 310058
Keywords:
Rhododendron pulchrum; ‘Zihudie’; leaf temperature; shading; physiological response
PACS:
S 685.21
DOI:
-
Abstract:
This experiment was conducted in high-tempered urban landscape to test the influence of different shading conditions (full-shade，semi-shade and no-shade) on the morphological damage，leaf temperature and physiological response of Rhododendron pulchrum leaves,different shading conditions on weakening heat damage in high tempered summer were comparely studied.The results showed that the leaf temperature was positively correlated with light intensity thereby the leaves under no-shade condition could reach the maximum temperature to 40℃ in summer，significantly higher than the semi-shade and full-shade.The chlorophyll contents，carotene contents and membrane cell membrane permeability of no-shade leaves were also significantly different from leaves under other shade conditions.Thus，semi-shade condition was proved to be the most favorable condition for plant growth of Rhododendron pulchrum spp..

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Last Update: 2014-08-24