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	Threshold effects of photosynthetic efficiency parameters of wild jujube in response to soil moisture variation on shell beach ridges, Shandong, China
	Zhang, S. Y.1; Xia, J. B.2; Zhang, G. C.1; Zhao, Z. G.2; Zhao, Y. Y.2; Shao, H. B.3; Sun, J. K.2; Shao, C. Y.1,4; Liu, Q.2; Xia, JB (reprint author), Binzhou Univ, Shandong Prov Key Lab Ecoenvironm Sci Yellow Rive, Binzhou 256603, Peoples R China. xiajiangbao2012@126.com; shaohongbochu@126.com
发表期刊	PLANT BIOSYSTEMS
ISSN	1126-3504
	2014-01-02
卷号	148期号:1页码:140-149
关键词	Net Photosynthetic Rate Zizyphus Jujuba Mill Var Spinosa Water Use Efficiency Soil Moisture Availability Threshold Effect
DOI	10.1080/11263504.2013.852629
产权排序	[Zhang, S. Y.; Zhang, G. C.; Shao, C. Y.] Shandong Agr Univ, Coll Forestry, Shandong Prov Key Lab Soil Eros & Ecol Restorat, Tai An 271018, Shandong, Peoples R China; [Xia, J. B.; Zhao, Z. G.; Zhao, Y. Y.; Sun, J. K.; Liu, Q.] Binzhou Univ, Shandong Prov Key Lab Ecoenvironm Sci Yellow Rive, Binzhou 256603, Peoples R China; [Shao, H. B.] Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Biol & Biol Resources Utilizat, Yantai 264003, Peoples R China; [Shao, C. Y.] Qingdao Univ Sci & Technol QUST, Inst Life Sci, Qingdao 266042, Peoples R China
作者部门	海岸带生物学与生物资源利用所重点实验室
英文摘要	To investigate the threshold effects of photosynthetically active radiation (PAR) and soil mass water content (MWC) on photosynthetic efficiency parameters of Ziziphus jujuba Mill var. spinosa and to understand the adaptability of Z.jujuba to light and soil moisture variation, we determined optimal MWC and PAR for Z. jujuba which maintained higher net photosynthetic rate (P-N) and water use efficiency (WUE). Using a Li-6400 portable photosynthesis system, we measured light response of P-N, transpiration rate (E), WUE, and other gas-exchange parameters of 3-year-old Z. jujuba shrubs in a range of soil moisture conditions. The results showed that the leaf photosynthetic rate and WUE of Z. jujuba had a significant response to MWC and PAR. Given increases in the MWC (7.1-17.6%), the plant's light compensation point decreased and its light saturation point (LSP), apparent quantum yield, and maximum P-N increased. When MWC was at 17.6%, the low and high light use efficiency of Z. jujuba was all maximal. P-N obviously increased with increasing MWC (9.2-17.6%). However, P-N decreased when MWC was too high or low. When PAR ranged from 800 to 1200molm(-2)s(-1), P-N and WUE were higher and the LSPs of P-N and WUE ranged between 706 and 1209molm(-2)s(-1). These data indicate that Z. jujuba possessed higher adaptability to light conditions. Based on photosynthetic efficiency parameters, the soil moisture availability and productivity of Z. jujuba were classified and evaluated. For Z. jujuba woodland, MWC<9.2% and MWC>21.5% resulted in low productivity and medium WUE, 19.8-21.5% of MWC resulted in medium productivity and low WUE, 9.2-11.2% of MWC resulted in medium productivity and medium WUE, and 11.2-19.8% of MWC resulted in high productivity and high WUE. The optimum high productivity and high WUE of MWC were at 17.6%, and the corresponding optimum PAR was 1209molm(-2)s(-1).; To investigate the threshold effects of photosynthetically active radiation (PAR) and soil mass water content (MWC) on photosynthetic efficiency parameters of Ziziphus jujuba Mill var. spinosa and to understand the adaptability of Z.jujuba to light and soil moisture variation, we determined optimal MWC and PAR for Z. jujuba which maintained higher net photosynthetic rate (P-N) and water use efficiency (WUE). Using a Li-6400 portable photosynthesis system, we measured light response of P-N, transpiration rate (E), WUE, and other gas-exchange parameters of 3-year-old Z. jujuba shrubs in a range of soil moisture conditions. The results showed that the leaf photosynthetic rate and WUE of Z. jujuba had a significant response to MWC and PAR. Given increases in the MWC (7.1-17.6%), the plant's light compensation point decreased and its light saturation point (LSP), apparent quantum yield, and maximum P-N increased. When MWC was at 17.6%, the low and high light use efficiency of Z. jujuba was all maximal. P-N obviously increased with increasing MWC (9.2-17.6%). However, P-N decreased when MWC was too high or low. When PAR ranged from 800 to 1200molm(-2)s(-1), P-N and WUE were higher and the LSPs of P-N and WUE ranged between 706 and 1209molm(-2)s(-1). These data indicate that Z. jujuba possessed higher adaptability to light conditions. Based on photosynthetic efficiency parameters, the soil moisture availability and productivity of Z. jujuba were classified and evaluated. For Z. jujuba woodland, MWC<9.2% and MWC>21.5% resulted in low productivity and medium WUE, 19.8-21.5% of MWC resulted in medium productivity and low WUE, 9.2-11.2% of MWC resulted in medium productivity and medium WUE, and 11.2-19.8% of MWC resulted in high productivity and high WUE. The optimum high productivity and high WUE of MWC were at 17.6%, and the corresponding optimum PAR was 1209molm(-2)s(-1).
文章类型	Article
资助机构	Plant Sciences
收录类别	SCI
语种	英语
关键词[WOS]	WATER-USE EFFICIENCY ; YELLOW-RIVER DELTA ; PHYSIOLOGICAL-CHARACTERISTICS ; SEED-GERMINATION ; STRESS ; GROWTH ; LIGHT ; L. ; PRECIPITATION ; PRODUCTIVITY
研究领域[WOS]	Plant Sciences
WOS记录号	WOS:000333880000020
引用统计	被引频次：8[WOS]   [WOS记录]     [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/8565
专题	海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
通讯作者	Xia, JB (reprint author), Binzhou Univ, Shandong Prov Key Lab Ecoenvironm Sci Yellow Rive, Binzhou 256603, Peoples R China. xiajiangbao2012@126.com; shaohongbochu@126.com
作者单位	1.Shandong Agr Univ, Coll Forestry, Shandong Prov Key Lab Soil Eros & Ecol Restorat, Tai An 271018, Shandong, Peoples R China 2.Binzhou Univ, Shandong Prov Key Lab Ecoenvironm Sci Yellow Rive, Binzhou 256603, Peoples R China 3.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Biol & Biol Resources Utilizat, Yantai 264003, Peoples R China 4.Qingdao Univ Sci & Technol QUST, Inst Life Sci, Qingdao 266042, Peoples R China
推荐引用方式 GB/T 7714	Zhang, S. Y.,Xia, J. B.,Zhang, G. C.,et al. Threshold effects of photosynthetic efficiency parameters of wild jujube in response to soil moisture variation on shell beach ridges, Shandong, China[J]. PLANT BIOSYSTEMS,2014,148(1):140-149.
APA	Zhang, S. Y..,Xia, J. B..,Zhang, G. C..,Zhao, Z. G..,Zhao, Y. Y..,...&shaohongbochu@126.com.(2014).Threshold effects of photosynthetic efficiency parameters of wild jujube in response to soil moisture variation on shell beach ridges, Shandong, China.PLANT BIOSYSTEMS,148(1),140-149.
MLA	Zhang, S. Y.,et al."Threshold effects of photosynthetic efficiency parameters of wild jujube in response to soil moisture variation on shell beach ridges, Shandong, China".PLANT BIOSYSTEMS 148.1(2014):140-149.

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