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云南箭竹叶片对长期高温环境的适应性生理变化(PDF)

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

Issue:
2014年04期
Page:
87-90
Column:
研究论文
publishdate:
2014-07-01

Article Info:/Info

Title:
Studies on the adaptive physiological changes of Fargesia yunnanensis leaves in long-term high temperature environment
Article ID:
1000-2006(2014)04-0087-04
Author(s):
WANG Shuguang1 LIN Shuyan2 DING Yulong2*
1. College of Life Science, Southwest Forestry University, Kunming 650224, China;
2. Bamboo Research Institute, Nanjing Forestry University, Nanjing 210037, China
Keywords:
high temperature stress physiologycal index adaptive Fargesia yunnanensis alpine bamboos
Classification number :
S718
DOI:
10.3969/j.issn.1000-2006.2014.04.016
Document Code:
A
Abstract:
The contrast test on physiological index was conducted between the bamboos of Fargesia yunnanensis from wild environment and the same bamboos cultured in greenhouse for 6 years. The results showed that the chlorophyll a and chlorophyll b contents in young leaves, mature leaves and old leaves in high temperature were higher than bamboos in wild environment, but the chlorophyll a/b ratio was lower. The content of carotenoid in young leaves and mature leaves in greenhouse was higher than bamboos in wild environment except for the old leaves. The contents of soluble sugar in young and mature leaves in greenhouse were higher than bamboos in wild environment, but the SOD activity in mature and old leaves was lower than bamboos in wild environment, except for the young leaves. However, the CAT activity in mature leaves in greenhouse was lower. The MDA contents in both young and mature leaves were higher than bamboos in wild environments except for the old leaves. It could be concluded that F. yunnanesnis still couldn’t completely adapt to the environment of high temperature although it had been planted in greenhouse for long time.

References

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Last Update: 2014-07-31