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The effect of increasing temperature on crop photosynthesis: from enzymes to ecosystems.

Moore, Caitlin E and Meacham-Hensold, Katherine and Lemonnier, Pauline and Slattery, Rebecca A and Benjamin, Claire and Bernacchi, Carl J and Lawson, Tracy and Cavanagh, Amanda P (2021) 'The effect of increasing temperature on crop photosynthesis: from enzymes to ecosystems.' Journal of Experimental Botany, 72 (8). 2822 - 2844. ISSN 0022-0957

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Abstract

As global land surface temperature continues to rise and heatwave events increase in frequency, duration, and/or intensity, our key food and fuel cropping systems will likely face increased heat-related stress. A large volume of literature exists on exploring measured and modelled impacts of rising temperature on crop photosynthesis, from enzymatic responses within the leaf up to larger ecosystem-scale responses that reflect seasonal and interannual crop responses to heat. This review discusses (i) how crop photosynthesis changes with temperature at the enzymatic scale within the leaf; (ii) how stomata and plant transport systems are affected by temperature; (iii) what features make a plant susceptible or tolerant to elevated temperature and heat stress; and (iv) how these temperature and heat effects compound at the ecosystem scale to affect crop yields. Throughout the review, we identify current advancements and future research trajectories that are needed to make our cropping systems more resilient to rising temperature and heat stress, which are both projected to occur due to current global fossil fuel emissions.

Item Type: Article
Uncontrolled Keywords: Plant Leaves, Ecosystem, Temperature, Photosynthesis, Heat-Shock Response, Hot Temperature
Divisions: Faculty of Science and Health > Life Sciences, School of
Depositing User: Elements
Date Deposited: 16 Sep 2021 14:58
Last Modified: 16 Sep 2021 14:58
URI: http://repository.essex.ac.uk/id/eprint/31105

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