1Federal College and Research Institute for Viticulture and Pomology Klosterneuburg, Klosterneuburg, Austria
2Austrian Institute of Technology, Tulln, Austria
3Genlogs Biodiagnostics Ltd, Budapest, Hungary
4NÖ Landes-Landwirtschaftskammer, Referat ObstbauSt. Pölten, Austria
5Gartenbauschule Langenlois, Langenlois, Austria
6Wein-und Obstbauschule Krems, Krems, Austria
7Hungarian Horticultural Propagation Material Non-Profit Ltd., Érd, Hungary
Epidemiology and transmission characteristics of ‘Candidatus Phytoplasma prunorum’ were studied in Austria and Hungary. The investigations showed high infections rates of up to 70% for wild Prunus spp.. Molecular analysis revealed a large congruence of phytoplasma types in wild and cultivated Prunus as well as in Cacopsylla pruni indicating a joint epidemic cycle. In semi-field transmission experiments an inoculation access period of 4 h was sufficient for phytoplasma transmission.
Cacopsylla pruni, wild host, European stone fruit yellows, transmission experiment
