Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 412248
Title New insights in Freesia leaf necrosis disease
Author(s) Meekes, E.T.M.; Verbeek, M.
Source In: XII International Symposium on Virus Diseases of Ornamental Plants, Haarlem, The Netherlands, 20-24 April 2011. - Leuven, Belgium : ISHS - ISBN 9789066052536 - p. 231 - 236.
Event Leuven, Belgium : ISHS - ISBN 9789066052536 XII International Symposium on Virus diseases of ornamental plants, Haarlem, 2008-04-20/2008-04-24
Department(s) PRI BIOINT Entomology & Virology
Publication type Contribution in proceedings
Publication year 2011
Abstract Although freesia leaf necrosis disease (FLN) is known in freesia cultures for over forty years, the causal agent(s) is/are still under investigation. In plants with FLN symptoms a virus belonging to the genus Ophiovirus was found; this virus is now known as Freesia sneak virus (FreSV). The virus was mechanically inoculated to and artificially maintained in host plants and purified from these plants. An antiserum was raised and an ELISA-based detection method for FreSV was developed. Mechanical inoculation from indicator plants to freesia seedlings was never successful. Transmission of FreSV using resting spores from Olpidium brassicae was tested to establish whether FreSV is the cause of FLN. The detection of FreSV was evaluated in several surveys using freesias with symptoms (66 lots), without symptoms (98 lots) and by random testing (45 lots). More than 40 different cultivars were surveyed. FreSV was found associated with FLN symptoms, although not in all the freesia lots with FLN-like symptoms. In such lots often Freesia mosaic virus (FreMV) was present and in some lots neither FreSV nor FreMV could be detected. Implications of these findings will be discussed
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