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酸胁迫对几种林木体内脯氨酸及腐胺含量的影响(PDF)

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

Issue:
1995年03期
Page:
88-93
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
THE EFFECT OF ACID STRESS ON PROLINE AND POLYAMINE CONTENTS IN TREES
Article ID:
1000-2006(1995)03-0088-06
Author(s):
Li Rutie; Shen Huijuan ;Li Meizhi
College of Foresst Resources and Environment Nanjing Forestry University Nanjing 210037
Keywords:
: Black locust seedlings Acid stress Proline Putrescine
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1995.03.015
Document Code:
A
Abstract:
Acid stress lowered the water potential and inhibited the increase of seedling length, freshand dry weight of Black Locust seedlings, but increased the electrolyte leakage significately. The free proline contents of roots in Black locust seedling under low pH (pH 3. 0) showed no significant change,while putrescine titer increased dramatically. After 2 days of acid stress (pH 3. 0), putrescine contents rose to 4 folds as compared with the control (pH 6. 0). Putrescine accumulation in eight differenttree species also increased under acid stress. Therefore, putrescine accumulation seems to be a physiological indicator of acid stress.

References

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Last Update: 1900-01-01