ISHS Acta Horticulturae 386: XVI International Symposium on Fruit Tree Virus diseases
CORRELATION BETWEEN MIGRATION OF APHID VECTOR AND NATURAL SPREAD OF PLUM POX VIRUS |
| Authors: | R. Gáborjányi, S. Basky |
| Abstract:
GF 305 peach seedlings as trap plants for aphids as well as virus indicator plants for plum pox potyvirus (PPV) were placed for a week exposition period into a PPV-infected plum orchard (in Karcag). Serological (ELISA) tests showed that the time of natural infection of PPV occurred in the last ten days of May in 1993. Same time the migration of winged aphids were followed by Rothamsted type sucking traps. A positive correlation was found between the migration of Hyalopterus pruni and the period of natural PPV infection. Migration of other vectors, as Aphis craccivora, Brachycaudus helichrysi, Myzus persicae and Phorodon humuli did not coincide with the time of natural spread of PPV. The role of Hyalopterus pruni in the natural distribution and spread of PPV in plum orchards needs more experimental evidence. | |
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