Search results for 'au:"Brasier, C. M."'
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The destructive invasive pathogen Phytophthora lateralis found on Chamaecyparis lawsoniana across the UK.
Green, S.; Brasier, C. M.; Schlenzig, A.; McCracken, A.; MacAskill, G. A.; Wilson, M.; Webber, J. F.; Wiley-Blackwell, Berlin, Germany, Forest Pathology, 2013, 43, 1, pp 19-28, 24 ref. In 2010-2011, Phytophthora lateralis was isolated from diseased Chamaecyparis lawsoniana exhibiting dieback and mortality at eight geographically separate forest, parkland and shelterbelt locations in England, Scotland and Northern Ireland. In 2011, P. la...
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Natural stem infection of Lawson cypress (Chamaecyparis lawsoniana) caused by Phytophthora ramorum.
Brasier, C. M.; Webber, J. F.; British Society for Plant Pathology, Reading, UK, New Disease Reports, 2012, 25, pp 26, 6 ref. In December 2009, four 12-13 metre-tall shelterbelt Chamaecyparis lawsoniana trees adjacent to mature infected larch in Somerset, England, showed either general crown discolouration or dieback of the upper crown. One tree, LC1, exhibiting dead and dying f...
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Phytophthora himalsilva sp. nov. an unusually phenotypically variable species from a remote forest in Nepal.
Vettraino, A. M.; Brasier, C. M.; Brown, A. V.; Vannini, A.; Elsevier Ltd, Oxford, UK, Fungal Biology, 2011, 115, 3, pp 275-287 The Himalaya have received little investigation for Phytophthora species. In a remote forest in Western Nepal ten isolates of an unknown Phytophthora were recovered from the rhizosphere of Quercus, Castanopsis, Carpinus and Cupressus spp. The Phytophthora...
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Dieback and mortality of plantation Japanese larch (Larix kaempferi) associated with infection by Phytophthora ramorum.
Webber, J. F.; Mullett, M.; Brasier, C. M.; British Society for Plant Pathology, UK, New Disease Reports, 2010, 22, pp Article 19, 6 ref. In August 2009, extensive dieback and mortality was observed in mature (25-30 m tall) and juvenile plantation of Japanese larch, Larix kaempferi, at multiple sites in southwest England. Symptoms included black or purple discoloured needles, aborted bud fl...
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Phytophthora lateralis discovered in an old growth Chamaecyparis forest in Taiwan.
Brasier, C. M.; Vettraino, A. M.; Chang, T. T.; Vannini, A.; Blackwell Publishing Ltd, Oxford, UK, Plant Pathology, 2010, 59, 4, pp 595-603, 46 ref. The geographic origins of the invasive Phytophthora species, P. lateralis and P. ramorum are unknown. In 2008 soil samples were collected in an old growth yellow cedar (Chamaecyparis obtusa var. formosana) stand in the Ma-kau Ecological Park in north east...
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The biosecurity threat to the UK and global environment from international trade in plants.
Brasier, C. M.; Plant Pathology, 2008, 57, pp 792-808
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Colonization of tree xylem by Phytophthora ramorum, P. kernoviae and other Phytophthora species.
Brown, A. V.; Brasier, C. M.; Blackwell Publishing, Oxford, UK, Plant Pathology, 2007, 56, 2, pp 227-241, 25 ref. The aetiology and frequency of Phytophthora spp. in discoloured xylem tissue beneath phloem lesions was investigated in a range of broadleaved trees infected with P. ramorum, P. kernoviae, P. cambivora, P. citricola and other species. Isolation was attemp...
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Designation of the EAN and NAN races of Ophiostoma novo-ulmi as subspecies.
Brasier, C. M.; Kirk, S. A.; Cambridge University Press, Cambridge, UK, Mycological Research, 2001, 105, 5, pp 547-554, 31 ref. The two subpopulations of the Dutch elm disease pathogen Ophiostoma novo-ulmi, previously known as the Eurasian and North American races, are redesignated as subspecies novo-ulmi and americana. In addition to their partial reproductive isolation, wide ran...
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Rapid evolution of introduced plant pathogens via interspecific hybridization.
Brasier, C. M.; American Institute of Biological Sciences, Washington, USA, BioScience, 2001, 51, 2, pp 123-133, 47 ref. The migratory and unusual genetic events that have occurred in the causal organisms of Dutch elm disease (Ophiostoma ulmi and O. novo-ulmi) and other new examples of rapid pathogen evolution via interspecific hybridization are described (Phytophthora cact...
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Survival of clones of NAN Ophiostoma novo-ulmi around its probable centre of appearance in North America.
Brasier, C. M.; Kirk, S. A.; Cambridge University Press, Cambridge, UK, Mycological Research, 2000, 104, 11, pp 1332, 41 ref. 275 isolates of Ophiostoma novo-ulmi, sampled across the southern Great Lakes region of North America from Wisconsin to Ohio in 1996, were analysed for vegetative compatibility (vc) types. Over 60% of the sample was a clonal vc component, comprising only ...
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