[Effect of controlled water stress on grape polyphenols [Vitis vinifera L.; grapevine]]

abri plastique acide tartrique acidez acidity acidità acido tartarico anthocyane anthocyanins antocianinas antocianine azucares buccia disponibilidad del agua disponibilità idrica drought stress eau disponible etanol etanolo ethanol graine grape must grapevines irrigation irrigazione leaf area metanol metanolo methanol mosto d'uva mosto de uva peel pelure peso ph piel (vegetal) plastic film covers poids polifenoles polifenoli polyphenol polyphenols pot experimentation raisin de cuve riego seeds semi semilla sperimentazione in vaso stress da siccità sucres sugars superficie foliar surface foliaire tartaric acid uvas para vino uve da vino vid vigne viti vitis vinifera water availability weight wine grapes zuccheri