Photosynthesis，light-use efficiency and water-use efficiency for woody species in the hilly area of the Taihang Mountains

LI Xiao-jun; ZHANG Ming-ru; ZHANG Li-yang; WU Gang

doi:10.11833/j.issn.2095-0756.2011.02.002

Volume 28 Issue 2

Apr. 2011

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LI Xiao-jun, ZHANG Ming-ru, ZHANG Li-yang, WU Gang. Photosynthesis，light-use efficiency and water-use efficiency for woody species in the hilly area of the Taihang Mountains[J]. Journal of Zhejiang A&F University, 2011, 28(2): 180-186. doi: 10.11833/j.issn.2095-0756.2011.02.002

Citation:

LI Xiao-jun, ZHANG Ming-ru, ZHANG Li-yang, WU Gang. Photosynthesis，light-use efficiency and water-use efficiency for woody species in the hilly area of the Taihang Mountains[J]. Journal of Zhejiang A&F University, 2011, 28(2): 180-186. doi: 10.11833/j.issn.2095-0756.2011.02.002

Photosynthesis，light-use efficiency and water-use efficiency for woody species in the hilly area of the Taihang Mountains

doi: 10.11833/j.issn.2095-0756.2011.02.002

1.
School of Forestry and Biotechnology，Zhejiang A & F University，Lin’an 311300，Zhejiang，China;
2.
School of Tourism，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

More Information

Corresponding author: ZHANG Ming-ru
Publish Date: 2011-04-20

Abstract

To determine woody species for vegetative restoration in the hilly areas of the Taihang Mountains，the diurnal photosynthetic course of five woody plants （Rhus typhina，Robinia pseudoacacia，Ziziphus jujuba var. spinosa，Ailanthus altissima，and Vitex negundo var. heterophylla） was measured using a LI-6400xT portable photosynthetic system. Light-use efficiency and water-use efficiency were calculated and analyzed with formulas ELU = Pn/PAR and EWU = Pn/E respectively. Results showed that：（1） maximum net photosynthetic efficiency for all five trees occurred at 12 : 00 noon with no midday depression. （2） Light-use efficiency of R. typhina，R. pseudoacacia，and Z. jujuba var. spinosa were not significantly（LSD，P＞0.05） different，but they were significantly greater （P＜0.05） than A. altissima and V. negundo var. heterophylla. （3） The diurnal changes curves of water-use efficiency in Z. jujuba var. spinosa belonged to a W-type，while the other four woody species a V-type. Water-use efficiency of R. typhina was not significantly different from R. pseudoacacia （P＞0.05），but was significantly different from Z. jujuba var. spinosa，A. altissima，and V. negundo var. heterophylla （P＜0.05）. Thus，light and water-use efficiencies of the exotic species R. typhina and R. pseudoacacia were better than the other three species.［Ch，4 fig. 1 tab. 31 ref. ］
- forest biology,
- vegetation restoration,
- diurnal course of photosynthesis,
- light-use efficiency,
- water-use efficiency

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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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Photosynthesis，light-use efficiency and water-use efficiency for woody species in the hilly area of the Taihang Mountains

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

2. School of Tourism，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Corresponding author: ZHANG Ming-ru

Publish Date: 2011-04-20

Key words:

Abstract: To determine woody species for vegetative restoration in the hilly areas of the Taihang Mountains，the diurnal photosynthetic course of five woody plants （Rhus typhina，Robinia pseudoacacia，Ziziphus jujuba var. spinosa，Ailanthus altissima，and Vitex negundo var. heterophylla） was measured using a LI-6400xT portable photosynthetic system. Light-use efficiency and water-use efficiency were calculated and analyzed with formulas ELU = Pn/PAR and EWU = Pn/E respectively. Results showed that：（1） maximum net photosynthetic efficiency for all five trees occurred at 12 : 00 noon with no midday depression. （2） Light-use efficiency of R. typhina，R. pseudoacacia，and Z. jujuba var. spinosa were not significantly（LSD，P＞0.05） different，but they were significantly greater （P＜0.05） than A. altissima and V. negundo var. heterophylla. （3） The diurnal changes curves of water-use efficiency in Z. jujuba var. spinosa belonged to a W-type，while the other four woody species a V-type. Water-use efficiency of R. typhina was not significantly different from R. pseudoacacia （P＞0.05），but was significantly different from Z. jujuba var. spinosa，A. altissima，and V. negundo var. heterophylla （P＜0.05）. Thus，light and water-use efficiencies of the exotic species R. typhina and R. pseudoacacia were better than the other three species.［Ch，4 fig. 1 tab. 31 ref. ］

Photosynthesis，light-use efficiency and water-use efficiency for woody species in the hilly area of the Taihang Mountains

doi: 10.11833/j.issn.2095-0756.2011.02.002

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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