carbon fixation

(redirected from CO2 assimilation)
Also found in: Medical, Encyclopedia.

carbon fixation

n
(Botany) the process by which plants assimilate carbon from carbon dioxide in the atmosphere to form metabolically active compounds
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

carbon fixation

The process by which carbon from the atmosphere is converted into carbon compounds, such as carbohydrates, in plants and algae, usually by photosynthesis.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Zuk-Golaszewska, "Effects of salt stress on photosystem II efficiency and CO2 assimilation of two Syrian barley landraces," Environmental and Experimental Botany, vol.
Net CO2 assimilation rate (A) of both wheat cultivars (S-24 and PARI-73) reduced significantly under saline conditions.
The net CO2 assimilation rate showed a bi-peak diurnal pattern and midday depression of CO2 assimilation was observed at 13:00 h.
Salinity Increases CO2 Assimilation but Reduces Growth in Field-Grown Irrigated Rice.
Salt stress significantly reduced shoot fresh and dry weights, shoot length, water potential, osmotic potential, net CO2 assimilation rate (A), transpiration rate (E), stomatal conductance (gs), non-photochemical quenching (NPQ), coefficient of non-photochemical quenching (qN) and photochemical quenching (qP) while increased efficiency of photosystem-II (Fv/Fm), leaf free proline, shoot and root Na+, K+ and Ca2+ level.
Stomatal conductance, leaf transpiration rate, net CO2 assimilation and biomass, however, were not affected until the treatment with 19.7MuM of copper in the nutrient solution (Zancheta et al., 2011).
While PEPCase plays a role in C4 plants for the CO2 assimilation that produces carbohydrate, EPSPS functions in the shikimate pathway that produces the aromatic amino acids and many aromatic secondary metabolites (Herrmann, 1995).