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Effects of Sulfuric Acid Type Acid Rain on Physiological and Ecological Character of Taxus chinensis(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年24
Page:
80-83
Research Field:
Publishing date:

Info

Title:
Effects of Sulfuric Acid Type Acid Rain on Physiological and Ecological Character of Taxus chinensis
Author(s):
CHEN Liwen
(Department of Forestry，Xinyang Agriculture and Forestry University，Xinyang,Henan 464000)
Keywords:
acid rain; Taxus chinensis; physiological and ecological character
PACS:
-
DOI:
10.11937/bfyy.201624020
Abstract:
Central leaves of growing good yew branches were used as test materials,leaves were continually spray four days by artificial preparation acid rain under pH 6.7,5.6,4.0,2.5,the control group with spraying water.And then chlorophyll fluorescence parameters of leaves,chlorophyll content,relative electric conductivity and the change values of antioxidant enzyme were determined .The results showed that over time,Fv/Fm value and chlorophyll content continually decreased.Fv/Fm value and chlorophyll content were the biggest to decline when pH was 2.5; the relative conductivity,SOD,CAT and POD activities were on the rise,the largest value obtained when pH was 2.5.The acid rain had remarkable effect on the growth physiological indexes of taxus.

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Last Update: 2017-02-13