Risks of distribution of potato viruses in agrocensors of Ukraine

  • O. Dmitruk
  • S. Derevyanko
  • L. Reshotko
Keywords: phytovirological monitoring, viral diseases of potatoes, potato viruses

Abstract

As a result of the conducted monitoring studies, the spread of viral diseases of potatoes in Ukrainian agrocentoses, which poses a potential threat to the cultivation of this crop. In the nurseries of elite seed potatoes, the risks of spreading M-, S-, Y-viruses of potatoes, both in monoinfection and in the pathocomplexes are determined. It has been established that in the crops the entomophilic M-virus is prevalent in monoinfection (43.5%) or in combination with other mosaic viruses. In agrocentoses with potatoes, S — potato virus — 7.2%; YVP — 2.8% and in the patokompleksa SVP + YVP — 2.8% of the examined varieties. In most tested varieties, the Y-virus appears as a component of various complex infections with mosaic symptoms (25%), which is a feature of the Y-viral present at the present time. In modern conditions, there is a need for phyto-viral monitoring of agrocenoses, obtaining basic data for the development of measures to increase potato productivity by improving the phytosanitary state of agroecosystems and seeding on a non-virus basis.

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Published
2018-11-19
How to Cite
Dmitruk, O., Derevyanko, S., & Reshotko, L. (2018). Risks of distribution of potato viruses in agrocensors of Ukraine. Interdepartmental Thematic Scientific Collection of Plant Protection and Quarantine, (64), 49-57. https://doi.org/10.36495/1606-9773.2018.64.49-57