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盐胁迫对10个墨西哥柏种源幼苗生理生化的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2013年04期
Page:
29-33
Column:
研究论文
publishdate:
2013-07-15

Article Info:/Info

Title:
Effects of salt stress on physiological and biochemical index of ten provenances of Cupressus lusitanica
Article ID:
1000-2006(2013)04-0029-05
Author(s):
LIU Yilin WAN Fuxu* LOU Xiaorui
Jiangsu Key Laboratory of Forestry Ecological Engineering, College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China
Keywords:
Cupressus lusitanica salt stress physiological index biochemical index subordination function
Classification number :
S718
DOI:
10.3969/j.issn.1000-2006.2013.04.006
Document Code:
A
Abstract:
This article aimed to determine the effect of salt stress on physiological and biochemical index of 10 provenances of Cupressus lusitanica by measuring seedling height, ground diameter, relative water content, chlorophyll content, relative conductivity, proline content and malonaldehyde(MDA)content under five salinity gradient levels. The results showed that under salt stress, the seedling’s height, ground diameter and relative water content decreased, while proline content and malonaldehyde(MDA)content increased outstandingly. Salt stress affected the height growth more than ground diameter growth. Total content of chlorophyll increased under low level of salt stress and decreased under high level of salt stress. Relative conductivity could not show the real growth condition of Cupressus lusitanica suffering salt stress. Based on subordination function method, the three high salt-resistant provenances(D10,D3 and D4)among ten provenances are obtained.

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Last Update: 2013-07-30