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Phytophthora ramorum and P. kernoviae are fungus-like plant pathogens that can cause severe damage and mortality of trees in Britain. One of the main sporulating hosts of both pathogens, on which they can grow and spread into new areas, is Rhododendron ponticum, and this is commonly found growing as a woody weed in British forests and woodlands. Eradication and control of rhododendron is currently one of the most effective control measures to reduce the spread of the pathogen and disease into new areas.
However, eradication of rhododendron poses a number of problems:
This collaborative project was developed to identify new or improved management strategies for the eradication and safe disposal of Phytophthora infected rhododendron, and methods which reduce pathogen persistence on infected sites.
The project had two strands:
The project draws together experience from field experiments to identify the best management practice for the eradication, containment and remediation of Phytophthora-affected environments, where infected rhododendron forms a significant component.
The collaborative project is funded by Defra (project PH0603) and is implemented by three partners: Forest Research, CABI E-UK and the University of Surrey.
The research project will directly support the Defra Phytophthora Disease Management Programme for P. ramorum and P. kernoviae in England and Wales. The work addresses a key policy objective within the programme to evaluate disease management and control methods. The outputs of the project will support the Disease Management Workstream of the Programme, which has the aim of eradicating infected sporulating host plants, principally Rhododendron ponticum, an invasive, non-native plant.
The project ran 2010-2013.
For further information contact:
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