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Photosynthetic responses to ozone stress in cereal crops

Reference	RSP07668
Principal Investigator / Supervisor	Professor Stephen Long
Co-Investigators / Co-Supervisors	Professor Neil R Baker, Professor Christine Raines
Institution	University of Essex
Department	Biological Sciences
Funding type	Research
Value (£)	195,126
Status	Completed
Type	Research Grant
Start date	11/03/1997
End date	11/05/2000
Duration	38 months

Abstract

To develop a unifying understanding of the pattern and mechanisms of stress response of photosynthesis to elevated 03 in cereal crops, in combination with elevated C02. To investigate the mechanisms of photosynthetic down-regulation and recovery following acute 03 episodes we will subject plants to elevated 03 treatments, in controlled environments, measuring gas-exchange, chlorophyll fluorescence, RubisCO activity, protein and mRNA, carbohydrates, and antioxidant activities and concentrations, to determine the pattern and sequence of events. We will incorporate our findings into a mechanistic model for improved forecasting of current and future yield losses, and will validate that model under field conditions. Findings will provide a basis for more informed approaches to the selection and engineering of improved 03 tolerance in cereals.

Summary

unavailable

Committee	Closed Committee - Plant & Microbial Sciences (PMS)
Research Topics	X – not assigned to a current Research Topic
Research Priority	X – Research Priority information not available
Research Initiative	Resource Allocation and Stress in Plants (RSP) [1995]
Funding Scheme	X – not Funded via a specific Funding Scheme

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