Photosynthetic characteristics of <em>Simmondsia chinensis</em> in the arid-hot valley of the Jinsha River

LI Xiao-qing; GAO Han-dong; CAO Xiao-jun; LI Rong-wei; WANG Zhun; WANG Xiao-ling

Volume 24 Issue 3

Feb. 2017

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Article Navigation > Journal of Zhejiang A&F University > 2007 > 24(3): 302-307

LI Xiao-qing, GAO Han-dong, CAO Xiao-jun, LI Rong-wei, WANG Zhun, WANG Xiao-ling. Photosynthetic characteristics of Simmondsia chinensis in the arid-hot valley of the Jinsha River[J]. Journal of Zhejiang A&F University, 2007, 24(3): 302-307.

Citation:

LI Xiao-qing, GAO Han-dong, CAO Xiao-jun, LI Rong-wei, WANG Zhun, WANG Xiao-ling. Photosynthetic characteristics of Simmondsia chinensis in the arid-hot valley of the Jinsha River[J]. Journal of Zhejiang A&F University, 2007, 24(3): 302-307.

Photosynthetic characteristics of Simmondsia chinensis in the arid-hot valley of the Jinsha River

1.
College of Forestry and Environment, Nanjing Forestry University, Nanjing 210037, Jiangsu, China;
2.
Sichuan Academy of Forestry, Chengdu 610081, Sichuan, China;
3.
Xichang Technology School of Forestry,Xichang 615000, Sichuan, China

Funds:

国家林业局引进国际先进农业科学技术计划(948计划)项目(20000404)

Received Date: 2006-10-16
Rev Recd Date: 2007-01-08
Publish Date: 2007-06-20

Abstract

The photosynthetic characteristics of leaves from two provenances(Hyder Valley of America and Vacaville of Israel) of four-year-old Simmondsia chinensis(jojoba) plantations in the aridhot valley of the Jinsha River in Huidong County of Sichuan Province were studied using the Li-6400 portable photosynthesis system.Results showed that the CO2compensation point was 56- 62mol m- 1, carboxylation efficiency was 0.081 4-0.094 6, dark respirationwas 1.15- 1.18molm- 2s- 1, the light compensation pointwas 31- 35molm- 2s- 1, the light saturation point was 1 308- 1 592molm- 2s- 1, and the apparent quantum efficiency was between 0.033 and 0.037 indicating that S. chinensis was a C3plant. The diurnal variation of the net photosynthetic rate on sunny days inAugustwas one smooth-peaked curve. In addition, the solarenergy utilization efficiency was 5.641- 5.999 mmolmol- 1, and water use efficiencywas about 1.0 molmmol- 1.[Ch, 8 fig. 2tab. 24 ref.]
- botany,
- Simmondsia chinensis(jojoba),
- photosynthetic characteristics,
- arid-hot valley

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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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Photosynthetic characteristics of Simmondsia chinensis in the arid-hot valley of the Jinsha River

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

2. Sichuan Academy of Forestry, Chengdu 610081, Sichuan, China;

3. Xichang Technology School of Forestry,Xichang 615000, Sichuan, China

Funds:

国家林业局引进国际先进农业科学技术计划(948计划)项目(20000404)

Received Date: 2006-10-16

Rev Recd Date: 2007-01-08

Publish Date: 2007-06-20

Key words:

Abstract: The photosynthetic characteristics of leaves from two provenances(Hyder Valley of America and Vacaville of Israel) of four-year-old Simmondsia chinensis(jojoba) plantations in the aridhot valley of the Jinsha River in Huidong County of Sichuan Province were studied using the Li-6400 portable photosynthesis system.Results showed that the CO2compensation point was 56- 62mol m- 1, carboxylation efficiency was 0.081 4-0.094 6, dark respirationwas 1.15- 1.18molm- 2s- 1, the light compensation pointwas 31- 35molm- 2s- 1, the light saturation point was 1 308- 1 592molm- 2s- 1, and the apparent quantum efficiency was between 0.033 and 0.037 indicating that S. chinensis was a C3plant. The diurnal variation of the net photosynthetic rate on sunny days inAugustwas one smooth-peaked curve. In addition, the solarenergy utilization efficiency was 5.641- 5.999 mmolmol- 1, and water use efficiencywas about 1.0 molmmol- 1.[Ch, 8 fig. 2tab. 24 ref.]

Photosynthetic characteristics of Simmondsia chinensis in the arid-hot valley of the Jinsha River

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Photosynthetic characteristics of Simmondsia chinensis in the arid-hot valley of the Jinsha River

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

2. Sichuan Academy of Forestry, Chengdu 610081, Sichuan, China;

3. Xichang Technology School of Forestry,Xichang 615000, Sichuan, China

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Photosynthetic characteristics of Simmondsia chinensis in the arid-hot valley of the Jinsha River

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Photosynthetic characteristics of Simmondsia chinensis in the arid-hot valley of the Jinsha River

1. College of Forestry and Environment, Nanjing Forestry University, Nanjing 210037, Jiangsu, China; 2. Sichuan Academy of Forestry, Chengdu 610081, Sichuan, China; 3. Xichang Technology School of Forestry,Xichang 615000, Sichuan, China

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

2. Sichuan Academy of Forestry, Chengdu 610081, Sichuan, China;

3. Xichang Technology School of Forestry,Xichang 615000, Sichuan, China