Grape fungicide efficacy table revised. Again. wendymcfaddensmith 3 years ago Thank goodness someone reads these posts! A conscientious grower noted an error in the rating for Intuity. I reversed efficacy for powdery mildew and Botrytis bunch rot. Please refer to this latest iteration. Sorry about the repetition! Share this: Print (Opens in new window) Print Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook