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Responses of photosynthesis to high temperature stress associated with changes in leaf structure and biochemistry of blueberry (Vaccinium corymbosum L.)
Hao, Lihua1; Guo, Lili1; Li, Renqiang2; Cheng, Yao1; Huang, Lei3; Zhou, Haoran4; Xu, Ming5; Li, Fei1; Zhang, Xixi1; Zheng, Yunpu1
2019-02-27
Source PublicationSCIENTIA HORTICULTURAE
ISSN0304-4238
Volume246Pages:251-264
Corresponding AuthorLi, Renqiang(renqiangli@igsnrr.ac.cn) ; Zheng, Yunpu(zhengyunpu_000@sina.com)
AbstractBlueberry (Vaccinium corymbosum L.) is a deciduous flowering shrub, which originates from North America. In recent years, Blueberry has been introduced into subtropical China where featured with high temperature climates. Understanding the thermal endurance ability of different blueberry cultivars is necessary for heat-tolerant cultivars selection and plantation in subtropical China. We conducted a comparative study on six cultivars including 'Bluecrop', 'Duke', 'Brigitta', 'Gulfcoasr, 'O'Neal', and 'Blue Ridge' at different temperatures of 25/20, 30/25, 35/30, or 40/35 degrees C (day/night) to examine the changes of growth, physiology, and biochemistry in blueberry plants. We found that the biomass of blueberry plants generally shared bell-shaped curves with increasing growth temperatures, indicating different optimal growth temperature for each cultivar. Meanwhile, the six blueberry cultivars also shared different heat endurance abilities that the appearances of 'Duke' and 'Blue Ridge' featured with wilted plants and defoliated leaves, but the other four cultivars (`Bluecrop', 'Brigitta', 'Gulfcoase, and 'O'Neal') present better appearances under high temperature stress. The good performances of the four heat tolerant cultivars in response to high temperature stress may benefit from the higher transpiration rates, which can dissipate much more heat through leaf transpiration than the two heat sensitive cultivars ('Duke' and 'Blue Ridge'). Thus, the heat tolerant cultivars suffered less from high temperature stress can be attributed to the higher efficiency of heat dispersion, which may be explained by the changes in the distribution pattern of stomata and the total stomatal aperture area per leaf area (SAAI) through altering the stomatal density as well as the aperture size and shape of individual stoma. These findings suggested that thermal tolerant cultivars may improve their heat dispersing efficiency through regulating stomatal traits to protect harmful impacts on chloroplast structure and function, and membrane thermostability from high temperature stress as evidenced by the intact chloroplasts as well as the higher F-v / F-m and electrolyte leakage than the two heat sensitive cultivars.
KeywordOptimal growth temperature Photosynthesis Biomass ROS scavenging enzymes Thermal endurance ability
DOI10.1016/j.scienta.2018.11.007
WOS KeywordCHLOROPLAST ULTRASTRUCTURE ; SUPEROXIDE-DISMUTASE ; LIPID-PEROXIDATION ; NET PHOTOSYNTHESIS ; RUBISCO ACTIVASE ; GROWTH ; CULTIVARS ; YIELD ; ANATOMY ; PLANT
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program[2017YFC0505305] ; Natural Science Foundation of China[51509066] ; Natural Science Foundation of China[31400418] ; Natural Science Foundation of Hebei Province[C2016402088] ; Young Outstanding Innovative Talents of Hebei Province[BJ2016012] ; China Postdoctoral Science Foundation[2014M561044] ; China Postdoctoral Science Foundation[2016T90128]
Funding OrganizationNational Key Research and Development Program ; Natural Science Foundation of China ; Natural Science Foundation of Hebei Province ; Young Outstanding Innovative Talents of Hebei Province ; China Postdoctoral Science Foundation
WOS Research AreaAgriculture
WOS SubjectHorticulture
WOS IDWOS:000456762700030
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/50582
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, Renqiang; Zheng, Yunpu
Affiliation1.Hebei Univ Engn, Sch Water Conservancy & Hydropower, Handan 056038, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, 11A Datun Rd, Beijing 100101, Peoples R China
3.Sichuan Univ, Inst New Energy & Low Carbon Technol, Chengdu 610065, Sichuan, Peoples R China
4.Univ Penn, Dept Biol, Philadelphia, PA 19104 USA
5.Rutgers State Univ, Ctr Remote Sensing & Spatial Anal, Dept Ecol Evolut & Nat Resources, 14 Coll Farm Rd, New Brunswick, NJ 08901 USA
Recommended Citation
GB/T 7714
Hao, Lihua,Guo, Lili,Li, Renqiang,et al. Responses of photosynthesis to high temperature stress associated with changes in leaf structure and biochemistry of blueberry (Vaccinium corymbosum L.)[J]. SCIENTIA HORTICULTURAE,2019,246:251-264.
APA Hao, Lihua.,Guo, Lili.,Li, Renqiang.,Cheng, Yao.,Huang, Lei.,...&Zheng, Yunpu.(2019).Responses of photosynthesis to high temperature stress associated with changes in leaf structure and biochemistry of blueberry (Vaccinium corymbosum L.).SCIENTIA HORTICULTURAE,246,251-264.
MLA Hao, Lihua,et al."Responses of photosynthesis to high temperature stress associated with changes in leaf structure and biochemistry of blueberry (Vaccinium corymbosum L.)".SCIENTIA HORTICULTURAE 246(2019):251-264.
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