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@INPROCEEDINGS{BITSADZE:1050593,
      author       = {BITSADZE, Nana and GADOURY, David M. and CADLE-DAVIDSON,
                      Lance and KHAZARADZE, Rusudan and KIKILASHVILI, Shengeli and
                      KIKVADZE, Maia and CHIPASHVILI, Ramaz and
                      MAMASAKHLISASHVILI, Londa and UJMAJURIDZE, Levan and
                      KEVKHISHVILI, Mariam and GELASHVILI, Elisabed and
                      TCHABASHVILI, Giorgi and Kiladze, Emeliane and MAGHRADZE,
                      David},
      title        = {{PRELIMINARY} {FIELD} {STUDIES} {OF} {RESISTANCE} {OF}
                      {GEORGIAN} {GRAPEVINE} {GERMPLASM} {TOPOWDERY} {MILDEW}
                      ({ERYSIPHE} {NECATOR})},
      reportid     = {FZJ-2026-00345},
      isbn         = {https://ives-openscience.eu/34775/},
      pages        = {1-5},
      year         = {2023},
      abstract     = {Erysiphe necator Schwein is a fungus that causes grapevine
                      powdery mildew. It is one of the most problematicpathogens
                      attacking Vitis vinifera L. The pathogen infects all green
                      parts of the plant and reduces grape yieldand quality. The
                      suppression on mildew-susceptible cultivars requires
                      intensive use of fungicides againstpathogen, which has
                      negative impact on the environment and human health. The
                      identification, quantification,and use of host resistance is
                      therefore a research priority favored by grape growers,
                      genetics, breeders andwinemakers, governments, regulatory
                      and grant agencies.At the end of 19th century, the breeding
                      programs were carried out by crossing V. vinifera with
                      resistantspecies, and in particular with North American
                      Vitis that co-evolved with the pathogen. However,
                      obtainedhybrids were mostly unsuitable for the production of
                      high-quality wines, due to their unpleasant foxy
                      aromas.Nearly all major cultivars of V. vinifera exhibit
                      little evidence of strong genetic resistance against E.
                      necator, withthe exception of ontogenic resistance that
                      appears to be a universal trait. However, recent studies
                      haveindicated that certain V. vinifera cultivars of Caucasus
                      and Central Asian origin exhibit an unusual degree of
                      fieldresistance to powdery mildew. Some Georgian V. vinifera
                      accessions from the South Caucasus have beenreported to be
                      resistant to E. necator and to have no known genetic
                      relationship to non-vinifera species. Theaim of our
                      preliminary research was to quantitatively measure the field
                      resistance of local Georgian varieties topowdery mildew, as
                      a necessary first step to more in-depth phenotyping and
                      genetic studies.},
      month         = {Jul},
      date          = {2023-07-17},
      organization  = {International Viticultural $\&$
                       Enology Society - Conference Series
                       (vine $\&$ wine), Ithaca, NY (USA), 17
                       Jul 2023 - 21 Jul 2023},
      cin          = {IBG-2},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {2171 - Biological and environmental resources for
                      sustainable use (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2171},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {https://ives-openscience.eu/wp-content/uploads/2023/07/Bitsadze_Field-observation.pdf},
      url          = {https://juser.fz-juelich.de/record/1050593},
}