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Genetics-based dynamic systems model of canopy photosynthesis: the key to improve light and resource use efficiencies for crops

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<mark>Journal publication date</mark>02/2016
<mark>Journal</mark>Food and Energy Security
Issue number1
Volume5
Number of pages8
Pages (from-to)18-25
Publication StatusPublished
Early online date4/01/16
<mark>Original language</mark>English

Abstract

Improving canopy photosynthetic light use efficiency instead of leaf photosynthesis holds great potential to catalyze the next “green revolution”. However, leaves in a canopy experience different biochemical limitations due to the heterogeneities of microclimates and also physiological parameters. Mechanistic dynamic systems models of canopy photosynthesis are now available which can be used to design the optimal canopy architectural and physiological parameters to maximize CO2 uptake. Rapid development of modern crop genetics research now makes it possible to link such canopy models with genetic variations of crops to develop genetics-based dynamic systems models of canopy photosynthesis. Such models can guide marker-assisted breeding or genomic selection or engineering of crops to enhance light and nitrogen use efficiencies for different regions under future climate change scenarios.