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Lookup NU author(s): Professor Neil Boonham
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A potyvirus known to be an important agent involved in causing a disease of trailing petunias, was identified as being a member of the necrotic strain of potato virus Y (PVY) using a number of monoclonal antibodies. The sequence of the coat protein gene for the PVY isolate was determined and when compared with sequences for other PVY strains it was shown to cluster closely with isolates of PVY(NTN) and to have a recombination point present within the coat protein common with other isolates of PVY(NTN). When inoculated onto potato tuber necrotic ringspot disease (PTNRD) susceptible potato cultivars the petunia isolate was found to be capable of causing necrotic tuber symptoms, consistent with those caused by other isolates of PVY(NTN). Due to the number of similarities it is thought the petunia isolate belongs to the PVY(NTN) group of isolates. Out of 24 species of bedding and pot plant crops tested, 19 were shown by mechanical inoculation to be susceptible to PVY, highlighting not only a clear risk to a number of commercially important plant species from PVY(NTN) infected trailing petunias, but also other susceptible crops grown in these areas.
Author(s): Boonham N, Hims M, Barker I, Spence N
Publication type: Article
Publication status: Published
Journal: European Journal of Plant Pathology
Year: 1999
Volume: 105
Issue: 6
Pages: 617-621
Print publication date: 01/09/1999
ISSN (print): 0929-1873
ISSN (electronic): 1573-8469
Publisher: Springer
URL: https://doi.org/10.1023/A:1008715224185
DOI: 10.1023/A:1008715224185
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