ISHS Acta Horticulturae 94: XI International Symposium on Fruit Tree Virus Diseases
USE OF PRUNUS TOMENTOSA FOR THE DETECTION AND DIFFERENTIATION OF SHARKA AND OTHER VIRUSES OF PLUM |
| Author: | M. RANKOVIC |
| Abstract:
Seedling of P. tomentosa, grown under glasshouse conditions, were used as indicator plants in the large-scale testing trees over a 10-year period, with primary emphasis on the detection of Sharka (plum pox) virus. On the basis of the results obtained it was found that, in addition to the reliable detection of Sharka virus, this plant could also be used for detecting of several virus strains of chlorotic leaf spot (CLSV), necrotic ring spot (NRSV) and prune dwarf (PDV). The reaction of this plant to the presence of Sharka virus is specific, although there is some variation in the intensity and type of symptoms. It is possible, however, to confuse the symptoms caused by CLSV, PDV and NRSV. There is especially a great deal of variation in the type and intensity of the symptoms caused by the CLSV isolates. This plant did not prove reliable enough for the detection of NRSV and PDV because it showed no reaction to some isolates of these viruses, even after repeated tests. | |
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