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Tyrone Possamai

Affiliation / Function

Activity areas

Research on grapevines and viticulture:

  • Genetics and stress metabolisms
  • Breeding and varietal selection
  • Fungal pathology

Projects

Training / professional career

  • Since 2026 Scientific collaborator at FiBL Switzerland
  • 2023 - 2025 Postdoc in health of vines and quality of wine, INRAE, Colmar, France
  • 2021 - 2023 Postdoc in viticulture and oenology, CREA, Conegliano, Italy
  • 2017 - 2020 Ph.D. at the University of Udine, Italy

Publications

Publications in the Organic Eprints archive

Publications that are not in the Organic Eprints archive

  • Possamai T., Wiedemann-Merdinoglu S., Lacombe M. C., Dorne M. A., Bareyre M., Griem E., Bogs J., Fuchs R., Duchene E., Mestre P., Merdinoglu D., Baltenweck R. & Hugueney P. (2025). Metabolic biomarker-based phenotyping unveils quantitative effects of plant resistance and pathogen aggressiveness in the grapevine (Vitis spp.) downy mildew (Plasmopara viticola) pathosystem. bioXriv. doi: 10.1101/2025.09.25.678557

  • Possamai T., Wiedemann-Merdinoglu S., Lacombe M. C., Dorne M. A., Griem E., Bogs J., Fuchs R., Baltenweck R., Avia K., Merdinoglu D. & Hugueney P. (2025). Breeding for durable resistance in crops: defeated loci may act as Trojan horses compromising the effectiveness of major resistance genes. bioXriv. doi:10.1101/2025.04.25.650562

  • Possamai T., Scotà L., Velasco R. & Migliaro D. (2024). A sustainable strategy for marker-assisted selection (MAS) applied in grapevine (Vitis spp.) breeding for resistance to downy (Plasmopara viticola) and powdery (Erysiphe necator) mildews. Plants, 13(14), 2001. doi.org/10.3390/plants13142001

  • Macia F. M., Possamai T., Dorne M.A, Lacombe M.C., Duchêne E., Merdinoglu D., Peeters N., Rousseau D. & Wiedemann-Merdinoglu S., (2024). Phenotyping grapevine resistance to downy mildew: deep learning as a promising tool to assess sporulation and necrosis. Plant methods 20,90. doi.org/10.1186/s13007-024-01220-4

  • De Rosso M., Panighel A., Migliaro D., Possamai T., De Marchi F., Velasco R. & Flamini R. (2023). The pivotal role of high-resolution mass spectrometry in the study of grape glycosidic volatile precursors for the selection of new grapevine varieties resistant to mildews. Journal of Mass Spectrometry, 58(10), e4961. https://doi.org/10.1002/jms.4961

  • Possamai T. & Wiedemann-Merdinoglu S. (2022). Phenotyping for QTL identification: A case study of resistance to Plasmopara viticola and Erysiphe necator in grapevine. Frontiers in Plant Science 13:930954. doi.org/10.3389/fpls.2022.930954

  • Morreale G., Possamai T., Panighel A., De Rosso M., Lovat L., Flamini R. & Migliaro D. (2022). First investigation of polyphenols and aroma compounds in a spontaneous colour mutant of 'Glera', the principal grape variety of Prosecco sparkling wine. Journal of the Science of Food and Agriculture. doi.org/10.1002/jsfa.12029

  • Possamai T., Wiedemann-Merdinoglu S., Merdinoglu D., Migliaro D., De Mori G., Cipriani G., Velasco R. & Testolin, R. (2021). Construction of a high-density genetic map and detection of a major QTL of resistance to powdery mildew (Erysiphe Necator Sch.)in Caucasian grapes (Vitis Vinifera L.). BMC Plant Biology 21, 528. https://doi.org/10.1186/s12870-021-03174-4

  • Possamai T., Migliaro D., Gardiman M., Velasco R. & De Nardi, B. (2020). Rpv Mediated Defense Responses in Grapevine Offspring Resistant to Plasmopara viticola. Plants, 9(6), 781. https://doi.org/10.3390/plants9060781

  • De Nardi B., Santellani F., Possamai T. & Velasco R. (2019). Breeding for mildew resistance in grapevine to improve environmental and socio-economic sustainability in hotspot areas of Veneto. In XII International Conference on Grapevine Breeding and Genetics, Acta Horticulturae 1248, 313-318. doi.org/10.17660/actahortic.2019.1248.45