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Type: Conference item
Title: A mild strain of Grapevine leafroll-associated virus 3 is present in desirable clones of Crimson seedless table grapes in Western Australia
Author: Habili, N.
Cameron, I.
Randles, J.
Citation: Proceedings of the 16th ICVG Meeting, 2009, pp.237-238
Issue Date: 2009
Conference Name: Meeting of the International Council for the Study of Virus and Virus-like Diseases of the Grapevine (16th : 2009 : Dijon, France)
Statement of
Nuredin Habili, Ian Cameron and John Randles
Abstract: We have obtained superior clones of Crimson Seedless (CS) table grapes in Western Australia (WA) by introducing combinations of the following viruses into the plants: a mild strain of Grapevine leafroll-associated virus 3 (GLRaV-3), GLRaV-9 and -5 and Grapevine virus A. We detected two strains of GLRaV- 3 in different clones of Crimson Seedless. One strain (GLRaV-3-s) produces a severe phenotype, it spreads naturally and is associated with poor quality grape berries. The other strain (GLRaV-3-m) gives a mild phenotype and is associated with larger, crisper and heavier berries as compared to the virus-free CS clone 8210. The nucleotide sequences of the coat protein genes of the mild and severe strains were compared and revealed a high degree of homology. Further sequencing analysis is in progress. A molecular assay is now available to differentiate between these two strains of GLRaV-3 and this will enable us to discard inferior plants infected with the severe strain.
Description: Also cited as: Le Progrès Agricole et Viticole, Hors Serie - Special Congrès ICVG; XVI Extended abstract published Conference proceedings / Elisabeth Boudon-Padieu (ed.): pp.237-238
Rights: Copyright status unknown
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Appears in Collections:Agriculture, Food and Wine publications
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