2021
DOI: 10.1016/j.agwat.2021.106804
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Elevated carbon dioxide alleviates the negative impact of drought on wheat by modulating plant metabolism and physiology

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Cited by 36 publications
(33 citation statements)
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“…Quaseem et al [59] found similar results in wheat as an effect of simulated water shortage at pre-anthesis. Our results are in agreement with Varga et al [28], Manderscheid and Weigel [49] and Ulfat et al [53]; these studies also observed a decrease in the grain yield values of wheat as an effect of early-stage or late-stage water shortage at elevated CO 2 levels (700 ppm, 800 ppm or 1000 ppm). Positive CO 2 fertilization effects in barley and negative CO 2 fertilization effects in the oat cultivar were observed for grain yield at both elevated CO 2 levels (700 ppm and 1000 ppm) in every treatment (control, drought at BBCH stage 21 and drought at BBCH stage 55).…”
Section: Discussionsupporting
confidence: 93%
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“…Quaseem et al [59] found similar results in wheat as an effect of simulated water shortage at pre-anthesis. Our results are in agreement with Varga et al [28], Manderscheid and Weigel [49] and Ulfat et al [53]; these studies also observed a decrease in the grain yield values of wheat as an effect of early-stage or late-stage water shortage at elevated CO 2 levels (700 ppm, 800 ppm or 1000 ppm). Positive CO 2 fertilization effects in barley and negative CO 2 fertilization effects in the oat cultivar were observed for grain yield at both elevated CO 2 levels (700 ppm and 1000 ppm) in every treatment (control, drought at BBCH stage 21 and drought at BBCH stage 55).…”
Section: Discussionsupporting
confidence: 93%
“…Wu et al [60] found slightly higher harvest index values under drought conditions in spring wheat compared with the control (80% of field water capacity) under elevated CO 2 (~700 ppm). Compared to the control treatment, Ulfat et al [53] found decreased harvest index values for winter wheat as a result of drought stress at anthesis under 800 ppm CO 2 concentration. We also found decreased harvest index values at 700 ppm CO 2 level as a result of drought at heading.…”
Section: Discussionmentioning
confidence: 98%
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“…Altogether, we could say that the application of eCO 2 improved the SF29 resilience by a better osmotic response and a photosynthetic capacity. Similar results were described by Ulfat et al (2021) , in which the application of eCO 2 reduced the negative impact of drought in wheat mainly due to the maintenance of higher total antioxidants potential, which enables the plants to scavenge the ROS production and maintain an optimum photosynthetic rate.…”
Section: Discussionsupporting
confidence: 84%
“…Additionally, high stomatal conductance by counteracting an increase in leaf temperature can reduce the heat stress effects generally occurring under drought conditions [61]. Recently, several studies on drought stress effects on wheat productivity highlighted how plant responses to water stress can be modulated under changing environmental conditions, particularly, an increasing air CO 2 concentration [4,62].…”
Section: Leaf Gas Exchanges and Leaf Water Potential Measurementsmentioning
confidence: 99%