Plum pox virus infection level in Prunus species growing along roadsides or in backyards in Vojvodina province

Author:

Bagi Ferenc1ORCID,Barac Goran1ORCID,Ilicic Renata1,Savic Zagorka1,Burmazovic Milan1,Meszaros Viktor1,Popovic Tatjana2ORCID

Affiliation:

1. University of Novi Sad, Faculty of Agriculture, Novi Sad, Serbia

2. Institute for Plant Protection and Environment, Belgrade, Serbia

Abstract

The present study was conducted on 106 leaf samples of Prunus species (44 plum, 47 myrobalan plum, 10 apricot, 3 peach, 1 blackthorn, and 1 sour cherry) collected from the Vojvodina province of Serbia and assessed for the presence of Plum pox virus (PPV) with the aim of establishing whether trees growing along roadsides and in backyards could be sources of PPV infection in commercial orchards. Analyses confirmed PPV infection in 68.2%, 38.6%, and 20% of plum, myrobalan plum and apricot samples, respectively. The infection level varied considerably across locations, with 80% noted in Uljma, followed by 69% in Sremska Kamenica, 60% in Becej, 50% in Temerin, 50% in Senta, 40% in Petrovaradin, 31% in Novi Sad, 30% in Susek, and 20% in Subotica. As no difference in infection rates was noted between young and older plum trees, the infections seemed to have occurred in their early life stage. Trees growing along roadsides were infected to a higher extent (89.6%) than those in backyards (66.6%). In some cases, symptomless trees were also proven to be PPV positive, indicating that they are a potentially important source of further virus infections. Due to the widespread presence of the virus, tolerant or hypersensitive cultivars are recommended for planting new orchards.

Publisher

National Library of Serbia

Subject

General Medicine

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