Vine Physiology, Yield Parameters and Berry Composition of Sangiovese Grape under Two Different Canopy Shapes and Irrigation Regimes

Vitis vinifera L. adapts well to a scarce availability of water in the soil. However, recent decades, combination thermal stress with prolonged scarcity could have dramatic consequences on vine’s physiological status. In this paper, we evaluated effects two canopy shapes and irrigation regimes at veraison vine physiology, yield parameters grape composition through biochemical molecular approaches. The shortage strongly influenced physiology Sangiovese only when was moderate severe. Neither limited nor shape were able influence sugar content, strong induction expression genes involved biosynthesis anthocyanins recorded conditions moderate-to-severe stress. This phenomenon led an increase anthocyanin content berry skins until end veraison. Conversely, no significant occurred terms performance after re-watering harvest. Though play role under elevated temperature drought, severe can affect ripening during stage.