BIO Web Conf.
Volume 13, 2019CO.NA.VI. 2018 - 7° Convegno Nazionale di Viticoltura
|Number of page(s)||5|
|Section||Site Selection and Precision Viticulture|
|Published online||01 April 2019|
Development, yield potential and nutritional aspects of resistant grapevine varieties in Trentino Alto Adige
Technology Transfer Centre, Edmund Mach Foundation, via E. Mach 1,
San Michele all’Adige, Italy
* Corresponding author: email@example.com
The reduction of the environmental impact of agricultural activity has stimulated the evaluation of new cultivars tolerant/resistant to fungal diseases within the context of Trentino viticulture. In an alluvial soil, 15 varieties of resistant vines were planted: Aromera, Baron, Bronner, Cabernet Cantor, Cabernet Cortis, Cabernet Carbon, Cabino, Helios, Johanniter, Monarch, Muscaris, Prior, Regent, Solaris, and Souvignier gris. Since 2015 they have been evaluated for nutritional aspects, vegetative-productive balance, quantitative-qualitative parameters of musts and health status. Some cultivars (Cabernet Cortis, Cabino, Helios, and Prior) had an insufficient vegetative development, whilst other varieties presented a balanced or excessive behaviour. Regarding magnesium (Mg), some of these cultivars presented deficiencies, often confirmed by visual analysis, but not always highlighted by leaf analyses (Cabernet Cantor, Cabernet Cortis, and Monarch). For such varieties, Mg supply is recommended. Nonetheless, with the aim of new plantings, the choice of more suitable rootstock combinations should be done. Cabino always showed very highly susceptibility to Plasmopara viticola attack, with an ineffective resistance.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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