Correlation of nitrate reductase and superoxide dismutase activities with drought resistance in seedlings of three conifer species under water stress

XIE Yin-feng; SHEN Hui-juan

Volume 17 Issue 1

Jul. 2017

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XIE Yin-feng, SHEN Hui-juan. Correlation of nitrate reductase and superoxide dismutase activities with drought resistance in seedlings of three conifer species under water stress[J]. Journal of Zhejiang A&F University, 2000, 17(1): 24-27.

Citation:

XIE Yin-feng, SHEN Hui-juan. Correlation of nitrate reductase and superoxide dismutase activities with drought resistance in seedlings of three conifer species under water stress[J]. Journal of Zhejiang A&F University, 2000, 17(1): 24-27.

Correlation of nitrate reductase and superoxide dismutase activities with drought resistance in seedlings of three conifer species under water stress

1.
College of Forest Resources and Environment , Nanjing Forestry University , Nanjing 210037, Jiangsu, China

Funds:

林业部重点攻关资助项目(94-08-02)

Received Date: 1999-09-11
Publish Date: 2000-03-20

Abstract

The activities of nitrate reductase (NR)and superoxide dismutase (SOD)were studied in seedlings of Pinus massoniana , Pinus taeda and Metasequoia glyptostrobides under osmotic stress by PEG (6000).The results showed that the activities of NR and SOD were all decreased in three seedlings under stress .The order of NR activity under stress was Pinus massoniana Pinus taeda Metasequoia glyptostroboides .The order of SOD activity was Pinus massoniana Metasequoia glyptostroboides Pinus taeda .Because the droughtresistance ablilty was Pinus massoniana Pinus taeda Metasequoia glyptostroboides (based on the former studies), there was a positive correlation between the activity of NR and drought-resistance in these seedlings under water stress , but there was no significant correlation between the SOD activity and drought-resistance .The conclusion obtained f rom this study reflected that the activity of NR could be used as an effective biochemical index for the criterion of drought-resistance in the three seedlings .
- coniferous trees,
- water stress,
- nitrate reductase,
- superoxide dismutase,
- drought resistance

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Correlation of nitrate reductase and superoxide dismutase activities with drought resistance in seedlings of three conifer species under water stress

1. College of Forest Resources and Environment , Nanjing Forestry University , Nanjing 210037, Jiangsu, China

Funds:

林业部重点攻关资助项目(94-08-02)

Received Date: 1999-09-11

Publish Date: 2000-03-20

Key words:

Abstract: The activities of nitrate reductase (NR)and superoxide dismutase (SOD)were studied in seedlings of Pinus massoniana , Pinus taeda and Metasequoia glyptostrobides under osmotic stress by PEG (6000).The results showed that the activities of NR and SOD were all decreased in three seedlings under stress .The order of NR activity under stress was Pinus massoniana Pinus taeda Metasequoia glyptostroboides .The order of SOD activity was Pinus massoniana Metasequoia glyptostroboides Pinus taeda .Because the droughtresistance ablilty was Pinus massoniana Pinus taeda Metasequoia glyptostroboides (based on the former studies), there was a positive correlation between the activity of NR and drought-resistance in these seedlings under water stress , but there was no significant correlation between the SOD activity and drought-resistance .The conclusion obtained f rom this study reflected that the activity of NR could be used as an effective biochemical index for the criterion of drought-resistance in the three seedlings .

Correlation of nitrate reductase and superoxide dismutase activities with drought resistance in seedlings of three conifer species under water stress

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

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