|
Cultivar |
Phomopsis cane blight |
Black rot |
Downy mildew |
Powdery mildew |
Botrytis bunch rot |
Phytotoxic chemical sensitivity |
|
Vinifera wineA |
||||||
|
Auxerrois |
MS | MS | MS | HS | HS |
— |
|
Cabernet Franc |
MS | HS | MS | HS | SS |
— |
|
Cabernet Sauvignon |
MS | HS | MS | HS | SS |
— |
|
Chardonnay |
MS | HS | ES | ES | HS |
— |
|
Gamay |
SS | MS | MS | HS | MS |
— |
|
Gewurztraminer |
SS | HS | MS | HS | HS |
— |
|
Merlot |
SS | HS | MS | HS | MS | 2 |
|
Pinot Blanc |
UN | HS | MS | HS | HS |
— |
|
Pinot Gris |
SS | HS | MS | HS | HS |
— |
| Pinot Noir | SS | HS | MS | HS | HS |
— |
| Riesling | SS | HS | MS | HS | HS |
— |
| Sauvignon Blanc | SS | MS | MS | MS | HS |
— |
| Syrah/Shiraz | MS | HS | GS | HS | MS |
— |
|
Zweigeltrebe |
MS | HS | MS | HS | SS |
— |
|
French hybrid wine |
||||||
|
Baco Noir |
MS | SS | SS | MS | HS | 1 |
|
Chambourcin |
SS | MS | MS | MS | SS | 1 |
|
De Chaunac |
HS | SS | SS | MS | SS | 1 |
|
Marechal Foch |
MS | SS | SS | MS | SS | 1 |
|
Seyval Blanc |
MS | MS | MS | HS | HS |
— |
|
S.V. 23-512 |
SS | SS | MS | MS | SS |
— |
|
Vidal 256 |
SS | SS | MS | MS | HS | 2 |
|
American hybrid wineB |
||||||
|
Frontenac |
SS |
MS (L) / HS (F) |
SS (L) / R (F) |
MS | SS |
2† |
|
Frontenac gris |
SS |
MS (L) / HS (F) |
SS (L) / R (F) |
MS | SS |
2† |
| Geneva Red | SS | SS | MS | MS | MS | — |
|
La Crescent |
SS |
SS (L) / R (F) |
HS (L) / R (F) |
SS | SS |
1† |
|
Marquette |
SS |
MS (L) / HS (F) |
SS (L) / R (F) |
HS | SS | 2† |
|
St. Croix |
HS |
SS (L) / SS (F) |
HS (L) / R (F) |
SS | SS |
1, 2† |
|
Juice and table grapesC |
||||||
|
Concord |
MS |
MS |
MS |
MS |
SS |
1,2,3,4 |
|
Elvira |
HS |
MS |
SS |
MS |
MS |
3 |
|
Fredonia |
MS |
MS |
HS |
MS |
SS |
3 |
|
Himrod |
SS |
MS |
SS |
MS |
MS |
— |
|
Niagara |
MS |
HS |
HS |
MS |
SS |
2 |
|
N.Y. Muscat |
SS |
SS |
SS |
MS |
SS |
— |
|
Sovereign Coronation |
SS |
SS |
HS |
HS |
MS |
3 |
UN = Relative susceptibility is unknown. R = Resistant. SS = Slightly susceptible. MS = Moderately susceptible. HS = Highly susceptible. ES = Extremely susceptible. L = Leaves. F = Fruit.
A Vinifera varieties not included in this chart are considered susceptible to powdery mildew, downy mildew and black rot.
B Based on ratings from https://apsjournals.apsnet.org/doi/pdf/10.1094/PDIS-01-17-0022-RE.
C All juice and table varieties are labrusca species with exception of Himrod (American hybrid).
1 = Sulphur-sensitive. 2 = Copper-sensitive. 3 = Flint- and Pristine-sensitive. 4 = Inspire Super-sensitive. — = No chemical sensitivity has been observed. † No more than 2 apps/season