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The role of host dynamics on the control of invasive spread of soil-borne fungal plant pathogens

Reference	D12116
Principal Investigator / Supervisor	Professor Christopher Gilligan
Co-Investigators / Co-Supervisors	Dr Douglas Bailey
Institution	University of Cambridge
Department	Plant Sciences
Funding type	Research
Value (£)	247,576
Status	Completed
Type	Research Grant
Start date	01/10/1999
End date	01/10/2002
Duration	36 months

Abstract

The aim of this proposal is to analyse the control of invasive spread by soil- borne fungal plant pathogens effected by intrinsic host dynamics (How fast does the host supply a continuous network of susceptible tissue through which the fungus can spread?) and disease- induced dynamics (How does disease affect the supply of susceptible tissue?). By invasive spread we mean a dynamical switch that determines whether or not a fungal pathogen spreads through a host population. We propose to test the role of host dynamics on invasive spread using three host-pathogen systems with increasingly complex host dynamics: Rhizoctonia solani on radish and potatoes and Gaeumannomyces graminis on wheat, (ii) to analyse the effects that specific microbial antagonists can have in blocking invasive spread using isolates of Trichoderma viride and Pseudomonas corrugata antagonistic to R. solani and G. graminis. The project will provide a new way of analysing and interpreting epidemics of plant disease in relation to the likelihood of spread and will identify cultural strategies for control of disease by minimising risk of invasive spread at critical phases in epidemic development.

Summary

unavailable

Committee	Closed Committee - Agri-food (AF)
Research Topics	X – not assigned to a current Research Topic
Research Priority	X – Research Priority information not available
Research Initiative	X - not in an Initiative
Funding Scheme	X – not Funded via a specific Funding Scheme

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