You might be interested in the results of our sulfur trials on V. vinifera grapes over the last few years. With the advent of powdery mildew resistance to both the QoI (FRAC 11) and DMI (FRAC 3) fungicides in many northern Georgia vineyards, we have tried to learn more about how we can utilize sulfur more effectively. See the link below to find a review of this research.

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