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Phytophthora ramorum: one pathogen and many diseases, an emerging threat to forest ecosystems and ornamental plant life

Published online by Cambridge University Press:  24 December 2004

ALEX A. APPIAH ,
PHIL JENNINGS  and
JUDITH A. TURNER
ALEX A. APPIAH
Affiliation:
Environmental Entomology and Plant Pathology, Central Science Laboratory, Sand Hutton, York, YO41 1LZ UK
PHIL JENNINGS
Affiliation:
Environmental Entomology and Plant Pathology, Central Science Laboratory, Sand Hutton, York, YO41 1LZ UK
JUDITH A. TURNER
Affiliation:
Environmental Entomology and Plant Pathology, Central Science Laboratory, Sand Hutton, York, YO41 1LZ UK
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Abstract

Phytophthora ramorum is a recently described species responsible for sudden oak death syndrome and also causes symptoms such as twig wilt and dieback, stem lesions, necrosis of leaf midrib from the petiole and leaf tip necrosis on a range of ornamental plant species. In the USA, a reported epidemic of P. ramorum infections on trees belonging to several families including Fagaceae, Lauraceae and Ericaceae seems to be increasing and there are fears of similar epidemics occurring in woodlands in the UK and mainland Europe. This paper reviews the current state of knowledge and the research efforts being made to understand the biology, manage the disease and prevent widespread outbreaks of P. ramorum infections across Europe and the USA.

Keywords

sudden oak deathquarantine organismoomycete
Type
Original Article
Information
Mycologist , Volume 18 , Issue 4 , November 2004 , pp. 145 - 150
Copyright
© 2004 The British Mycological Society

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