Pacific Northwest Plant Disease Management Handbook

Grape (Vitis spp.) Relative Disease Susceptibility and Sensitivity to Sulfur

Grape (Vitis spp.) Relative Disease Susceptibility and Sensitivity to Sulfur
Cultivar	Powdery Mildew	Botrytis Bunch Rot	Eutypa Dieback	Crown Gall	Sulfur Sensitivity *
Cabernet Franc	+++	+	?	+++	No
Cabernet Sauvignon	+++	+	+++	+++	No
Canadice	+	++	?	++	Slight
Chardonnay	+++	+++	+++	+++	No
Concord	++	+	+++	+	Yes
Einset Seedless	++	+	?	+	No
Gewurztraminer	+++	+++	?	+++	No
Himrod	++	+	?	?	No
Jupiter	+++	+	?	?	?
Marquis	++	+	?	?	Slight
Merlot	+++	++	++	+++	No
Niagara	+	+	+	++	No
Pinot gris	+++	+++	?	+++	No
Pinot noir	+++	+++	?	+++	No
Reliance	++	+	?	?	No
Riesling	+++	+++	++	+++	No
Steuben	+	+	?	+	Yes
Vanessa	++	+	?	+	No
+ Slightly susceptible or sensitive, ++ Moderately susceptible or sensitive, +++ Highly susceptible or sensitive, No = Not sensitive to sulfur, Yes = Sensitive to sulfur, ? Relative susceptibility or sensitivity not established. * Slight to moderate sulfur injury may occur even on tolerant varieties when temperatures are 85°F or higher during or immediately following the application References 2019 New York and Pennsylvania Pest Management Guidelines for Grapes Midwest Grape Production Guide Bulletin 919. https://plantpathology.ca.uky.edu/files/mw_grape_productn_b919.pdf

Pscheidt, J.W., and Ocamb, C.M. (Senior Eds.). 2023 Pacific Northwest Plant Disease Management Handbook.
© Oregon State University.

Use pesticides safely!

Wear protective clothing and safety devices as recommended on the label. Bathe or shower after each use.
Read the pesticide label—even if you’ve used the pesticide before. Follow closely the instructions on the label (and any other directions you have).
Be cautious when you apply pesticides. Know your legal responsibility as a pesticide applicator. You may be liable for injury or damage resulting from pesticide use.

Trade-name products and services are mentioned as illustrations only. This does not mean that the participating Extension Services endorse these products and services or that they intend to discriminate against products and services not mentioned.

H - Home garden packaging commonly available. O - Acceptable in organic production.