Response of Six Grapevine Cultivars to a Range of Chloride Concentrations

Abstract
The growth and chloride accumulation of 6 grapevine cultivars during 4 weeks were compared under glasshouse conditions in solution cultures containing 0, 50, 100 or 150 meq chloride per liter. The cultivars were 6 Vitis vinifera varieties: 9Sultana9, 9Shiraz9, 9Clare Riesling9, 9Cabernet Sauvignon9, 9Palomino9, and 9Doradillo9. As chloride concentration in the nutrient solutions was increased, shoot-length increments and dry-matter accumulations were lower, and chloride concentration in the mid-shoot petioles greater, in all cultivars. Differences between cultivars were found in the chloride accumulated at the various treatment levels. From these differences it is suggested that when grown on their own roots, the degree of tolerance to high chloride was highest, for 9Cabernet Sauvignon9, followed by 9Shiraz9, 9Sultana9, 9Clare Riesling9, 9Palomino9, and 9Doradillo9, in that order.