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Flexible and reversible responses to different irradiance levels during photosynthetic acclimation of Cypripedium guttatum
Zhang, Shi-Bao; Hu, Hong; Xu, Kun; Li, Zhong-Rong; Yang, Yong-Ping
Corresponding Authorhuhong@mail.kib.ac.cn
2007-05-01
Source PublicationJOURNAL OF PLANT PHYSIOLOGY
ISSN0176-1617
Volume164Issue:5Pages:611-620
AbstractCypripedium guttatum can be found both in open and shady habitats. Photosynthetic acclimation of C. guttatum to different light availabilities was detected using measurements of chlorophyll fluorescence, photosynthesis and leaf traits. When growing under low light conditions, C. guttatum exhibited a greater efficiency in photochemical utilization of absorbed tight energy, and a lower ability for nonphotochemical dissipation of excess light energy, as compared to the plants growing under high light conditions. Under intermediate light conditions, C. guttatum exhibited higher photosynthetic capacity (A(max)) than those under both tow tight or high tight conditions. The differences in A(max) among three light environments was linked to the differences in biochemical efficiency, leaf N content (LNC) and leaf dry mass per unit area (LMA), but not to the differences of chlorophyll content. However, there were no significant differences in the light compensation points (LCP) and tight saturation points (LSP) for photosynthesis for the plants growing under the three light conditions. These results indicate that the photosynthetic capacity of C. guttatum leaves allows for flexible and reversible responses to different irradiance levels. Photosynthetic acclimation in C. guttatum was affected by biochemical changes, the changes in LMA and ratio of Chl a/b. Successful acclimation of C. guttatum to a broad range of light levels likely allows for its wide geographical distribution. A level of about 45% sunlight appears to be optimal for photosynthesis. (C) 2006 Elsevier GmbH. All rights reserved.
KeywordChlorophyll Fluorescence Cypripedium Guttatum Leaf Traits Light Availability Photosynthesis
Subject AreaPlant Sciences
DOI10.1016/j.jplph.2006.02.012
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000246243700010
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/2543
Collection资源植物与生物技术所级重点实验室
Recommended Citation
GB/T 7714
Zhang, Shi-Bao,Hu, Hong,Xu, Kun,et al. Flexible and reversible responses to different irradiance levels during photosynthetic acclimation of Cypripedium guttatum[J]. JOURNAL OF PLANT PHYSIOLOGY,2007,164(5):611-620.
APA Zhang, Shi-Bao,Hu, Hong,Xu, Kun,Li, Zhong-Rong,&Yang, Yong-Ping.(2007).Flexible and reversible responses to different irradiance levels during photosynthetic acclimation of Cypripedium guttatum.JOURNAL OF PLANT PHYSIOLOGY,164(5),611-620.
MLA Zhang, Shi-Bao,et al."Flexible and reversible responses to different irradiance levels during photosynthetic acclimation of Cypripedium guttatum".JOURNAL OF PLANT PHYSIOLOGY 164.5(2007):611-620.
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