Table 1

Seasonal growing degree days (GDD), precipitation (Pcp), reference evapotranspiration (ET_r), and irrigation amount for standard (STD) and reduced irrigation (RED) and weekly average midday leaf water potential (Ψ_l) preveraison (Pre-V) and postveraison (Post-V) for Cabernet Sauvignon and Merlot in a field trial in the Western Snake River Plain, Idaho. Meteorological data from the Parma Experiment Station (U.S. Dept. of Interior, Bureau of Reclamation, Pacific Northwest Cooperative Agricultural Weather Network).