Fig. 8.

Schematic representation of the distinct responses to water limitation in Sangiovese and Montepulciano. gs = stomatal conductance; WUEi = intrinsic water use efficiency; Ψ1 = leaf water potential; ABA = abscisic acid

Schematic representation of the distinct responses to water limitation in Sangiovese and Montepulciano. gs = stomatal conductance; WUEi = intrinsic water use efficiency; Ψ1 = leaf water potential; ABA = abscisic acid