Photosynthetic Acclimation to Long-term Carbon Dioxide Enrichment in Phaseolus Vulgaris L. is Modified by Intraspecific Variation and Environmental Stress PDF Download
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Author: John Lonfover Jifon Publisher: ISBN: 9780599271142 Category : Languages : en Pages : 227
Book Description
Downward acclimation was more severe in Redkloud (a determinate bean genotype), compared with Redkote (an indeterminate genotype). This was accompanied by sustained vegetative growth and sink activity (increased branching/fruiting and leaf production) after anthesis in Redkote. Growth at high temperature (35/21°C day/night) and elevated Ca (700 mumol mol --1) stimulated early vegetative growth, leading to an up-regulation of Pn350. Pod development was, however, severely limited by high temperature and this was associated with greater downward acclimation of Pn 350 at elevated Ca compared with plants grown at optimal temperature (26/15°C).
Author: John Lonfover Jifon Publisher: ISBN: 9780599271142 Category : Languages : en Pages : 227
Book Description
Downward acclimation was more severe in Redkloud (a determinate bean genotype), compared with Redkote (an indeterminate genotype). This was accompanied by sustained vegetative growth and sink activity (increased branching/fruiting and leaf production) after anthesis in Redkote. Growth at high temperature (35/21°C day/night) and elevated Ca (700 mumol mol --1) stimulated early vegetative growth, leading to an up-regulation of Pn350. Pod development was, however, severely limited by high temperature and this was associated with greater downward acclimation of Pn 350 at elevated Ca compared with plants grown at optimal temperature (26/15°C).
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The response of intra and interspecific variation in photosynthetic acclimation to growth at elevated atmospheric CO[sub 2] concentration (600[micro]mol mol-l) in six important grassland species was investigated. Plants were grown in a background sward of Lolium perenne and measurements were made after four years of growth at elevated C[sub a]. Elevated CO[sub 2] was maintained using a FACE (Free-Air Carbon Enrichment) system. Significant intra and interspecific variation in acclimation response was demonstrated. The response of adaxial and abaxial stomatal conductance to elevated CO[sub 2] was also investigated. The stomatal conductance of both the adaxial and abaxial leaf surfaces was found to be reduced by elevated C[sub a]. Significant asymmetric responses in stomatal conductance was demonstrated in D. glomerata and T. pratense. Analysis of stomatal indices and densities indicated that the observed reductions in stomatal conductance were probably the result of changes in stomatal aperture.
Author: Katie M. Becklin Publisher: Springer Nature ISBN: 3030649261 Category : Science Languages : en Pages : 407
Book Description
Changes in atmospheric carbon dioxide concentrations and global climate conditions have altered photosynthesis and plant respiration across both geologic and contemporary time scales. Understanding climate change effects on plant carbon dynamics is critical for predicting plant responses to future growing conditions. Furthermore, demand for biofuel, fibre and food production is rapidly increasing with the ever-expanding global human population, and our ability to meet these demands is exacerbated by climate change. This volume integrates physiological, ecological, and evolutionary perspectives on photosynthesis and respiration responses to climate change. We explore this topic in the context of modeling plant responses to climate, including physiological mechanisms that constrain carbon assimilation and the potential for plants to acclimate to rising carbon dioxide concentration, warming temperatures and drought. Additional chapters contrast climate change responses in natural and agricultural ecosystems, where differences in climate sensitivity between different photosynthetic pathways can influence community and ecosystem processes. Evolutionary studies over past and current time scales provide further insight into evolutionary changes in photosynthetic traits, the emergence of novel plant strategies, and the potential for rapid evolutionary responses to future climate conditions. Finally, we discuss novel approaches to engineering photosynthesis and photorespiration to improve plant productivity for the future. The overall goals for this volume are to highlight recent advances in photosynthesis and respiration research, and to identify key challenges to understanding and scaling plant physiological responses to climate change. The integrated perspectives and broad scope of research make this volume an excellent resource for both students and researchers in many areas of plant science, including plant physiology, ecology, evolution, climate change, and biotechnology. For this volume, 37 experts contributed chapters that span modeling, empirical, and applied research on photosynthesis and respiration responses to climate change. Authors represent the following seven countries: Australia (6); Canada (9), England (5), Germany (2), Spain (3), and the United States (12).
Author: Eva-Mari Aro Publisher: Springer Science & Business Media ISBN: 0306481480 Category : Science Languages : en Pages : 624
Book Description
This book covers the expression of photosynthesis related genes including regulation both at transcriptional and translational levels. It reviews biogenesis, turnover, and senescence of thylakoid pigment protein complexes and highlights some crucial regulatory steps in carbon metabolism.
Author: Luo Yiqi Publisher: Elsevier ISBN: 0080500714 Category : Science Languages : en Pages : 434
Book Description
This book focuses on the interactive effects of environmental stresses with plant and ecosystem functions, especially with respect to changes in the abundance of carbon dioxide. The interaction of stresses with elevated carbon dioxide are presented from the cellular through whole plant ecosystem level. The book carefully considers not only the responses of the above-ground portion of the plant, but also emphasizes the critical role of below-ground (rhizosphere) components (e.g., roots, microbes, soil) in determining the nature and magnitude of these interactions.* Will rising CO2 alter the importance of environmental stress in natural and agricultural ecosystems?* Will environmental stress on plants reduce their capacity to remove CO2 from the atmosphere?* Are some stresses more important than others as we concern ourselves with global change?* Can we develop predictive models useful for scientists and policy-makers?* Where should future research efforts be focused?
Author: John Lonfover Jifon
Author: John Lonfover Jifon
Author: John Lonfover Jifon
Author: 
Author: Nathan Andrew Pierce
Author: Katie M. Becklin
Author: 
Author: Eva-Mari Aro
Author: Luo Yiqi
Author: 
Author: