ISHS Acta Horticulturae 94: XI International Symposium on Fruit Tree Virus Diseases
ANALYSIS OF NINE ISOLATES OF ALMOND MOSAIC |
| Authors: | M. LANSAC, G. DETIENNE, R. BERNHARD, J. DUNEZ |
| Abstract:
Nine almond tree cultivars originating from the Mediterranean area and cultivated in South France, express mosaic symptoms on the leaves. The purpose of this study is to investigate the possible virus origin of almond mosaic. The nine isolates were observed during four years and indexed on woody and herbaceous indicators. The immuno-enzymatic ELISA procedure was applied for prunus necrotic ring spot virus (PNRSV), prune dwarf virus (PDV) and apple chlorotic leaf spot virus (CLSV). It appears that mosaic symptoms in almond can result from infection by PNRSV, PDV and CLSV, but it also appears in the absence of these viruses and can be induced by another virus which, so far, has not been identified and could be distantly related to some ILAR viruses. | |
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