Managing Botrytis Bunch Rot and Powdery Mildew

In what looks set to be a potentially ‘wetter than normal’ year for many wine regions, growers are likely to continue to face challenges in managing the spectrum of diseases present in Australian vineyards in the 2016/17 season. While captan has long been a cost-effective fixture in many spray programs for the management of key diseases, its future remains unclear and use in grapes that may end up in wine destined for the EU should still be avoided.