The growth response of C4 plants to rising atmospheric CO2 partial pressure: a reassessment

By O. Ghannoum, S. von Caemmerer, L. Ziska, J. Conroy. 2000

327 citations recorded by the source corpus.

Subfields: Global and Planetary Change, Plant Science

View Paper: https://www.semanticscholar.org/paper/54b35fe819513f615ce245c048f422076f596d21

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Citations in the corpus

Canopy photosynthesis, evapotranspiration, leaf nitrogen, and transcription profiles of maize in response to CO2 enrichment (2006, background): “…were expected to be minimal owing to the biochemical and anatomical specialization associated with the CO2 concentrating mechanism based on C4 acid metabolism, enhanced photosynthesis and growth have been observed in response to elevated Ca in C4 species (Wand et al., 1999; Ghannoum et al., 2000).”
The impact of elevated CO2 on yield loss from a C3 and C4 weed in field‐grown soybean (2000, unknown): “Patterson et al. 1984; Patterson 1986, 1993; Patterson & Flint 1990; 1995a; Alberto et al. 1996; Froud-Williams 1996 ).”
Community shifts and carbon translocation within metabolically-active rhizosphere microorganisms in grasslands under elevated CO 2 (2007, background): “A continued rise in CO2 may stimulate plant biomass production as well as root growth when sufficient mineral nutrients are available (Curtis and Wang, 1998; Ghannoum et al., 2000).”
The impact of global elevated CO2 concentration on photosynthesis and plant productivity (2010, background): “Ghannoum et al.(76) reported that C4 plants, grown under high irradiance, showed enhanced photosynthesis under elevated CO2 conditions, whereas there was not much response in the growth of C4 species under low irradiance.”
Root exudation (net efflux of amino acids) may increase rhizodeposition under elevated CO2 (2006, background): “Whereas, the rising levels of [CO2] can promote productivity in many plant species when sufficient mineral nutrients are available (Ghannoum et al., 2000), little of the additional C remains sequestered in soil for any length of time (Van Kessel et al., 2000; Schlesinger & Lichter, 2001),…”
Up-regulation of photosynthesis and sucrose metabolism enzymes in young expanding leaves of sugarcane under elevated growth CO2 (2006, background): “For C4 plants, the reductions in stomatal conductance and subsequently leaf transpiration rate can lead to an increase in leaf temperature, a conservation of soil water resource and an improvement in shoot water status [ 34 ].”
Global change effects on humid tropical forests: Evidence for biogeochemical and biodiversity shifts at an ecosystem scale (2016, background): “Plants with C3 photosynthetic pathways are likely to gain the greatest advantage, since they typically have lower photosynthetic efficiency than C4 or Crassulacean acidmetabolism (CAM) photosynthetic pathways [Bowes, 1993; Ghannoum et al., 2000;Welkie and Caldwell, 1970].”
Quo vadis C4? An ecophysiological perspective on global change and the future of C4 plants (2004, background): “For example, CO2 increases above about 500 µbar should saturate C4 photosynthesis in most cases, while C3 photosynthesis should continue to respond to CO2 increases above 500 to 700 ppm at warmer temperatures (Lecain and Morgan 1998; Ghannoum et al. 2000).”
The response of photosynthesis and stomatal conductance to rising [CO2]: mechanisms and environmental interactions. (2007, background): “However, evidence is building to support the hypothesis that the stimulation of C4 photosynthesis at elevated [CO2] is an indirect effect resulting from the interaction of water stress with reduced gs at elevated [CO2] (Samarakoon & Gifford 1996; Seneweera, Ghannoum & Conroy 1998; Ghannoum et al. 20”
What have we learned from 15 years of free-air CO2 enrichment (FACE)? A meta-analytic review of the responses of photosynthesis, canopy properties and plant production to rising CO2. (2004, background): “Photosynthetic stimulation is not necessarily expected in C4 species because of the CO2-concentrating mechanism in C4 leaves (Bowes, 1993; Ghannoum et al., 2000).”
Causes and consequences of variation in leaf mass per area (LMA): a meta-analysis. (2009, background): “It is possible that the indirect effect of an improved water status because of reduced stomatal conductance, in conjunction with a higher leaf temperature owing to reduced transpiration can explain the decrease in LMA in C4 species (cf. Fig. 5g,j; Ghannoum et al., 2000).”
Rising atmospheric carbon dioxide: plants FACE the future. (2004, background): “(55), which concluded that bundle sheath leakiness, direct CO 2 fixation in the bundle sheath, or the presence of C 3-like photosynthesis in young C 4 leaves are unlikely explanations for the high CO 2 responsiveness of C 4 photosynthesis.”