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April 24, 2026Journal of Plant Diseases and ProtectionOpen Access

Occurrence of potato virus Y on potato crops in São Paulo state and effects of virus infection on tuber production and plant emergence

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Authors

LDLeonardo Hipólito DovigoCOChristopher OliveiraGFGabriel Madoglio Favara

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Overview

Field survey reveals potato virus Y reduces tuber yield and plant emergence in potato cultivars, indicating management needs.

Key Points

  • This research aims to evaluate the incidence of potato virus Y in Sao Paulo and its effects on two potato cultivars.
  • Conducted field surveys in 2023 and 2024 to document PVY incidence.
  • Identified the predominant strain as PVYNTN through molecular analyses.
  • Performed biological assays to assess the impact on tuber yield and plant emergence.
  • Average PVY incidence recorded was 15.3% in 2023 and 13.6% in 2024.
  • Infection by PVYNTN significantly reduced tuber yield in both Agata and Asterix cultivars.
  • Plant emergence from infected tubers decreased markedly.

Cite This Study

Dovigo et al. (2026) studied this question.

synapsesocial.com/papers/69eb0ac4553a5433e34b4c1ehttps://doi.org/10.1007/s41348-026-01267-6
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