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IVES 9 IVES Conference Series 9 GiESCO 9 2018 updates on the agronomic performances of fungus resistant wine grapes in Trentino (Italy)

2018 updates on the agronomic performances of fungus resistant wine grapes in Trentino (Italy)


Context and purpose of the study – On the market there are several wine grapes which are tolerant to the main fungal diseases. These varieties, commonly defined “resistant”, were developed in the grapevine breeding programs carried out mainly in Germany, France, Hungary and Italy. Some of these cultivars have been included in the national catalogues of wine grape varieties and have sometimes been allowed for specific kinds of wine. The VEVIR project, aimed at the enological evaluation of resistant vines, involves 33 cultivars achieved at the State Institute for Viticulture Freiburg in Germany, the Research Institute of Viticulture and Enology Pecs in Hungary and the Fondazione Edmund Mach S. Michele all’Adige (FEM) in Italy. The project’s objectives are the identification of varieties suitable for cultivation in certain areas of the Trentino province, the outlining of the technical protocols for growing and winemaking and the assessment of economical sustainability. All the key players in Trentino’s wine production chain are involved in the project: grapes and wine producers (Cavit S.c., Mezzacorona S.c.a., La Vis-Valle di Cembra s.c.a. and Ferrari F. lli Lunelli S.p.A), researchers (FEM) and nurserymen (AVIT consortium).

Material and methods – This work provides an update on to the cultivation perfomances of 8 white (Aromera, Bronner, Helios, Johanniter, Muscaris, Res29, Solaris and Souvigner Gris) and 8 red varieties (Baron, Cabernet Cantor, Cabernet Carbon, Cabernet Cortis, Cabino, Monarch, Prior and Regent) grown in experimental vineyards located in Rovereto (southern Trentino, 170 m asl), S. Michele all’Adige (northern Trentino, 200 m asl) and Telve (eastern Trentino, 400 m asl).

Results – The data collected between 2015 and 2018 showed a shorter production cycle that however, generally guaranteed a good level of ripeness of the grape. This, alongside verified tolerance to downy and powdery mildew, makes some of these varieties suitable for production in specific areas increasing environmental and economic sustainability and reducing the number of treatments and drift-related problems. Moreover, some varieties can be useful in mountain environments subjected to more severe weather conditions which are limiting for the traditional vinifera and to a higher risk of accidents (such as terraced and sloping vineyards). However, other factors still need to be further verified. Observations on the field have demonstrated that the choice to not apply any fungicide treatment has inevitable consequences on the fungal community of the vineyard, in some cases resulting in diseases such as black rot. Good agronomic practice requires two/three targeted treatments also on tolerant cultivars to limit the potential inoculum of downy mildew and to control emerging new pathologies.


Publication date: September 28, 2023

Issue: GiESCO 2019

Type: Poster



FONDAZIONE E. MACH, Via Mach 1, 38010, S. Michele all’Adige, Italia

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grapevine, phenology, agronomic parameters, resistance characteristics, grape harvest analysis


GiESCO | GiESCO 2019 | IVES Conference Series


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