[The evaluation of grape quality [Vitis vinifera L.; grapevine; maturation]]

acidez acidity acidità alcohol content analisi organolettica analyse organoleptique anthocyane anthocyanins antocianinas antocianine azucares calidad contenuto di alcol crop yield leaf area maturation maturazione biologica monitoraggio monitoring organoleptic analysis ph quality qualità raisin de cuve refractometrie refractometry rendement des cultures rendimiento de cultivos rifrattometria sucres sugars superficie foliar surface foliaire surveillance taninos tannin tannini tannins teneur en alcool uvas para vino uve da vino vigilancia vitis vinifera wine grapes zuccheri