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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2013.11.009
|2 doi
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|a pubmed25n0778.xml
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|a (DE-627)NLM233456139
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|a (NLM)24316582
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|a (PII)S0981-9428(13)00395-1
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Lei, Li
|e verfasserin
|4 aut
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| 245 |
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|a Assimilative branches and leaves of the desert plant Alhagi sparsifolia Shap. possesses a different adaptation mechanism to shade
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 22.09.2014
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2013 Elsevier Masson SAS. All rights reserved.
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|a Leaves and assimilative branches are crucial to the life cycle of Alhagi sparsifolia Shap. (Fabaceae), which grows in high-irradiance environments and is the main vegetation in the forelands of the Taklamakan Desert. This plant has an important role in wind protection and sand fixation at the oasis-desert transition zone. The morphology, physiology, and photosynthesis of A. sparsifolia leaves growing under low-light conditions have been extensively investigated. However, whether the plant's assimilative branches adapt similarly to low light levels is unclear, as are its specific light adaptation mechanisms. In this report, we characterized the biomass allocation, morphology, and chlorophyll a fluorescence of leaves and assimilative branches of A. sparsifolia. The results indicated that low-light conditions limited the normal growth of A. sparsifolia. The fraction of biomass allocated to leaves increased, whereas that to assimilative branches decreased. In addition, leaf thickness and assimilative branch diameter decreased, resulting in higher specific leaf area, specific assimilative branch length, and area for higher light absorbing and higher efficiency of light-usage. The assimilative branches and leaves were responded oppositely under low-light conditions in that leaves had lower photosystem II activity and assimilative branches had higher light-use efficiency to maximize light energy absorption for growth of A. sparsifolia
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Alhagi sparsifolia Shap.
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|a Biomass allocation
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|a Chl
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|a Chlorophyll a fluorescence
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|a Leaves and assimilative branches
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|a Light adaptation
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|a PAR
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|a PEA
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|a PSII
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|a Q(A)
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|a Q(B)
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|a RC
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|a SAA
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|a SAL
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|a SLA
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|a chlorophyll
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|a photosynthetic active radiation
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|a photosystem II
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|a plant efficiency analyzer
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| 650 |
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|a primary quinine electron acceptors of PSII
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|a reaction center
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|a second quinine electron acceptors of PSII
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|a specific assimilative branch area
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|a specific assimilative branch length
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| 650 |
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|a specific leaf area
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| 700 |
1 |
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|a Xiang-yi, Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xin-wen, Xu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li-sha, Lin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fan-jiang, Zeng
|e verfasserin
|4 aut
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| 700 |
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|a Feng-li, Chen
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 74(2014) vom: 05. Jan., Seite 239-45
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:74
|g year:2014
|g day:05
|g month:01
|g pages:239-45
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|u http://dx.doi.org/10.1016/j.plaphy.2013.11.009
|3 Volltext
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|d 74
|j 2014
|b 05
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|h 239-45
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