Water potential with <em>Phyllostachys edulis</em> in its fast-growth periods

YUAN Jiali; WEN Guosheng; ZHANG Mingru; ZHANG Rumin; CAI Xianfeng; ZENG Yingying; LI Hongji; WEN Xing; ZHU Hong

doi:10.11833/j.issn.2095-0756.2015.05.010

Volume 32 Issue 5

Sep. 2015

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Article Navigation > Journal of Zhejiang A&F University > 2015 > 32(5): 722-728

YUAN Jiali, WEN Guosheng, ZHANG Mingru, ZHANG Rumin, CAI Xianfeng, ZENG Yingying, LI Hongji, WEN Xing, ZHU Hong. Water potential with Phyllostachys edulis in its fast-growth periods[J]. Journal of Zhejiang A&F University, 2015, 32(5): 722-728. doi: 10.11833/j.issn.2095-0756.2015.05.010

Citation:

YUAN Jiali, WEN Guosheng, ZHANG Mingru, ZHANG Rumin, CAI Xianfeng, ZENG Yingying, LI Hongji, WEN Xing, ZHU Hong. Water potential with Phyllostachys edulis in its fast-growth periods[J]. Journal of Zhejiang A&F University, 2015, 32(5): 722-728. doi: 10.11833/j.issn.2095-0756.2015.05.010

Water potential with Phyllostachys edulis in its fast-growth periods

doi: 10.11833/j.issn.2095-0756.2015.05.010

1.
The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;
2.
School of Forestry and Biotechnology, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

Funds:

国家自然科学基金资助项目（31270497，30972397）;省院合作项目（2014SY16）;浙江农林大学研究生科研创新基金资助项目（3122013240229）

Received Date: 2014-11-06
Rev Recd Date: 2015-03-16
Publish Date: 2015-10-20

Abstract

To determine whether 1） water transport from mature to young Phyllostachys edulis bamboo and 2） water potential were key factors driving growth of young Ph. edulis in its fast-growth period, a PSYPRO water potential system with L-51A leaf water potential probes and PCT-55 soil potential probes were used to measure leaf and soil water potential at the physiological-ecological monitoring station of Zhejiang A F University. Analysis included analysis of variance（ANOVA）, Turkeys test for multiple comparisons and a correlation analysis. Results for the period of rapid growth with new to six-year-old Ph. edulis bamboo showed that the water potential value significantly increased （P ＜ 0.05） with an increase in age. Leaf water potential of same-aged bamboo was lower in the rapid growth period than before and after. However, among mature Ph. edulis, leaf water potential differences in the rapid growth period were not significant. Also, during the rapid growth period correlation of water potential to soil-leaf （P = 0.627）, soil-atmosphere （P = 0.908）, and leaf-atmosphere （P =0.716） were all highly significant （P ＜ 0.01）. Thus, existence of a strong water potential gradient meant that a key factor with mature Ph. edulis water transport to young Ph. edulis mainly relied on the water potential gradient for driving fast-growth.［Ch, 5 tab. 21 ref.］
- plant physiology,
- Phyllostachys edulis,
- leaf water potential,
- soil water potential,
- water potential gradient,
- diurnal variation

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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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Water potential with Phyllostachys edulis in its fast-growth periods

1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;

2. School of Forestry and Biotechnology, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

Funds:

国家自然科学基金资助项目（31270497，30972397）;省院合作项目（2014SY16）;浙江农林大学研究生科研创新基金资助项目（3122013240229）

Received Date: 2014-11-06

Rev Recd Date: 2015-03-16

Publish Date: 2015-10-20

Key words:

Abstract: To determine whether 1） water transport from mature to young Phyllostachys edulis bamboo and 2） water potential were key factors driving growth of young Ph. edulis in its fast-growth period, a PSYPRO water potential system with L-51A leaf water potential probes and PCT-55 soil potential probes were used to measure leaf and soil water potential at the physiological-ecological monitoring station of Zhejiang A F University. Analysis included analysis of variance（ANOVA）, Turkeys test for multiple comparisons and a correlation analysis. Results for the period of rapid growth with new to six-year-old Ph. edulis bamboo showed that the water potential value significantly increased （P ＜ 0.05） with an increase in age. Leaf water potential of same-aged bamboo was lower in the rapid growth period than before and after. However, among mature Ph. edulis, leaf water potential differences in the rapid growth period were not significant. Also, during the rapid growth period correlation of water potential to soil-leaf （P = 0.627）, soil-atmosphere （P = 0.908）, and leaf-atmosphere （P =0.716） were all highly significant （P ＜ 0.01）. Thus, existence of a strong water potential gradient meant that a key factor with mature Ph. edulis water transport to young Ph. edulis mainly relied on the water potential gradient for driving fast-growth.［Ch, 5 tab. 21 ref.］

Water potential with Phyllostachys edulis in its fast-growth periods

doi: 10.11833/j.issn.2095-0756.2015.05.010

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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Proportional views

Water potential with Phyllostachys edulis in its fast-growth periods

doi: 10.11833/j.issn.2095-0756.2015.05.010

1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;

2. School of Forestry and Biotechnology, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

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Water potential with Phyllostachys edulis in its fast-growth periods

doi: 10.11833/j.issn.2095-0756.2015.05.010

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Relative Article

References

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通讯作者: 陈斌, bchen63@163.com

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Water potential with Phyllostachys edulis in its fast-growth periods

doi: 10.11833/j.issn.2095-0756.2015.05.010

1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China; 2. School of Forestry and Biotechnology, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

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1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;

2. School of Forestry and Biotechnology, Zhejiang A & F University, Lin’an 311300, Zhejiang, China