Influences of aspect and tillage on two winegrape cultivars on Mount Etna

Research on Mount Etna reveals that the autochthonous grape cultivars Nerello mascalese and Carricante exhibit significant differences in yield and quality under varying tillage practices, with aspect playing a crucial role. Nerello mascalese demonstrated higher yields due to its adaptability, while minimal tillage led to excessive yield reduction in Carricante. The study found that yield per vine varied significantly across cultivars, seasons, and tillage treatments, with total soluble solids increasing in Nerello mascalese under reduced tillage conditions. Linear discriminant analysis highlighted the strongest discrimination for cultivar type, with tillage showing the least impact. This research provides insights into optimizing viticultural practices on volcanic slopes to enhance grape quality and yield.

Nicolosi, E., Ferlito, F., Allegra, M., Cicala, A., Trovato, F., & La Malfa, S. (2016). Influences of aspect and tillage on two winegrape cultivars on Mount Etna. New Zealand Journal of Crop and Horticultural Science, 44(2), 83–102. Portico. https://doi.org/10.1080/01140671.2016.1147472