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Identification and discrimination of pseudomonas syringae isolates from wild cherry in England
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Vicente, Joana G., Alves, João P., Russell, Karen and Roberts, Steven J. (2004) Identification and discrimination of pseudomonas syringae isolates from wild cherry in England. European Journal of Plant Pathology, 110 (4). pp. 337-351. doi:10.1023/B:EJPP.0000021060.15901.33 ISSN 0929-1873.
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Official URL: http://dx.doi.org/10.1023/B:EJPP.0000021060.15901....
Abstract
A survey of wild cherry (Prunus avium) woodland plantations and nurseries was carried out in 2000/01. Trees with symptoms of bacterial canker were found in 20 of the 24 plantations visited and in three of seven nurseries. Fifty-four Pseudomonas syringae isolates from wild cherry together with 22 representative isolates from sweet cherry and 13 isolates from other Prunus spp., pear and lilac were characterised by physiological, biochemical, serological and pathogenicity tests. Isolates from wild cherry were predominantly P. syringae pv. syringae (Pss), but P. syringae pv. morsprunorum (Psm) races 1 and 2 were also found. Physiological and biochemical tests discriminated Psm races 1 and 2 from other P. syringae isolates. Agglutination and indirect-enzyme-linked immunosorbent assay tests with three different antisera showed that Psm race 1 and race 2 were very uniform and indicated high variability amongst other P. syringae isolates. However, pathogenic Pss isolates could not be distinguished from non-pathogenic isolates of P. syringae on the basis of physiological, biochemical or serological tests. Pathogenicity tests on rooted lilac plants and on micropropagated plantlets of lilac and two wild cherry clones differentiated Pss and Psm isolates and demonstrated a range of aggressiveness amongst Pss isolates. Serological tests could be used as an alternative to the classical physiological and biochemical tests to increase the speed of detection and discrimination of isolates, but pathogenicity tests are still necessary to discriminate the pathogenic Pss isolates.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||
Journal or Publication Title: | European Journal of Plant Pathology | ||||
Publisher: | Springer Verlag | ||||
ISSN: | 0929-1873 | ||||
Official Date: | 2004 | ||||
Dates: |
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Volume: | 110 | ||||
Number: | 4 | ||||
Page Range: | pp. 337-351 | ||||
DOI: | 10.1023/B:EJPP.0000021060.15901.33 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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