نتایج جستجو برای: photosynthetic capacity or both

تعداد نتایج: 4764591  

2016
A. A. Ali C. Xu A. Rogers R. A. Fisher S. D. Wullschleger E. C. Massoud J. A. Vrugt J. D. Muss N. G. McDowell J. B. Fisher P. B. Reich C. J. Wilson

Although plant photosynthetic capacity as determined by the maximum carboxylation rate (i.e., Vc,max25) and the maximum electron transport rate (i.e., Jmax25) at a reference temperature (generally 25 C) is known to vary considerably in space and time in response to environmental conditions, it is typically parameterized in Earth system models (ESMs) with tabulated values associated with plant f...

2013
Pascal Rey Ruth Sanz-Barrio Gilles Innocenti Brigitte Ksas Agathe Courteille Dominique Rumeau Emmanuelle Issakidis-Bourguet Inmaculada Farran

Plants display a remarkable diversity of thioredoxins (Trxs), reductases controlling the thiol redox status of proteins. The physiological function of many of them remains elusive, particularly for plastidial Trxs f and m, which are presumed based on biochemical data to regulate photosynthetic reactions and carbon metabolism. Recent reports revealed that Trxs f and m participate in vivo in the ...

2014
Chunwu Zhu Jianguo Zhu Jing Cao Qian Jiang Gang Liu Lewis H. Ziska

Understanding the basis for intraspecific yield variability may be important in elucidating biological mechanisms that are associated with superior yield performance in response to projected increases in carbon dioxide concentration, [CO₂]. Using a free-air CO₂ enrichment (FACE) facility, two rice lines, S63 and W14, which differed consistently in their enhancement of seed yield when grown at e...

2016
Jee Hoon Kim Joon Woo Lee Tae In Ahn Jong Hwa Shin Kyung Sub Park Jung Eek Son

Canopy photosynthesis has typically been estimated using mathematical models that have the following assumptions: the light interception inside the canopy exponentially declines with the canopy depth, and the photosynthetic capacity is affected by light interception as a result of acclimation. However, in actual situations, light interception in the canopy is quite heterogenous depending on env...

Journal: :Journal of Economic Perspectives 2000

Journal: :Proceedings of the National Academy of Sciences 2011

Journal: :The Journal of General Physiology 1961
J. Woodland Hastings Lazarus Astrachan Beatrice M. Sweeney

The luminescent marine dinoflagellate, Gonyaulax polyedra, exhibits a diurnal rhythm in the rate of photosynthesis and photosynthetic capacity measured by incorporation of C(14)O(2), at different times of day. With cultures grown on alternating light and dark periods of 12 hours each, the maximum rate is at the 8th hour of the light period. Cultures transferred from day-night conditions to cont...

1998
Y. LUO J. R. SEEMANN

The reduction of photosynthetic capacity in many plants grown at elevated CO2 is thought to result from a feedback effect of leaf carbohydrates on gene expression. Carbohydrate feedback at elevated CO2 could result from limitations on carbohydrate utilization at many different points, for example export of triose phosphates from the chloroplast, sucrose synthesis and phloem loading, transport i...

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