Establishment of a
"No Spray" Vineyard
Crossing of Disease Resistant Selections
Identification of Disease Resistant Germplasm
Table 1. Average Leaf Disease Ratings 1992-1999
Table 1. Average leaf disease ratings 1992 to 2000, parental material under evaluation (plus controls) sorted by powdery mildew resistance.
DM = Leaf Downy Mildew rating
PM = Leaf Powdery Mildew rating
Yrs. = Years of data for each rating
Rating Scale: 1=0-3%; 2=3-12%; 3=12-25%; 4=25-50%; 5=>50% leaf area infection.
| Variety | Parents and/or Source | DM | yrs. | PM | yrs. |
| Ill 794-3 | C 71-20 X B9 cinerea | 1.8 | 6 | 1.4 | 8 |
| Ill 547-1 (male) | V. rupestris 38 X B9 cinerea | 1.3 | 8 | 1.4 | 9 |
| V. rip. x cord. (female) | DVIT 1513 (USDA repository) | 2.2 | 5 | 1.5 | 6 |
| Ill 683-1 | S 14664 X B9 cinerea | 2.4 | 8 | 1.6 | 9 |
| V. longii x rup. (female) | DVIT 1475 (USDA repository) | 1.2 | 5 | 1.7 | 6 |
| BR 14 | Rupestris 66-4 X S 14664 (USDA) | 1.9 | 7 | 1.7 | 9 |
| V. aestivalis-BIR (female) | Bluff Point, NY | 2.0 | 4 | 1.8 | 5 |
| NY 36806 | Bell X Interlaken | 3.5 | 2 | 2.0 | 3 |
| V. vulpina (male) | DVIT 1280 (USDA repository) | 1.0 | 5 | 2.2 | 6 |
| ES 2-3-17 (female) | ES 283 X ES 193 (Swenson, WI) | 2.6 | 5 | 2.2 | 6 |
| Couderc 13 | V. lincecumii X C 162-5(vin. x rup.) | 3.2 | 5 | 2.2 | 6 |
| V. rip. x cord. (male) | DVIT 1512 (USDA repository) | 3.4 | 5 | 2.2 | 6 |
| 65.0550.04 | Ill 796-1 X Ill 271-1 | 1.7 | 6 | 2.3 | 8 |
| V. riparia (male) | 1.6 | 5 | 2.3 | 6 | |
| BR 23 | Ill 882-2 (Berl 2 x B 9) X rupestris Pillans (USDA) | 1.6 | 7 | 2.3 | 9 |
| V. rip. x cord. (male) | DVIT 1515 (USDA repository) | 1.8 | 5 | 2.3 | 6 |
| V. rip. x rup. (male) | DVIT 1499 (USDA repository) | 1.2 | 5 | 2.3 | 6 |
| Strawberry Grape | Labrusca - U.K. | 3.3 | 4 | 2.4 | 5 |
| V. amur. x rip. | GVIT 706 (USDA repository) | 1.8 | 4 | 2.6 | 5 |
| V. lab. x cand. (male) | DVIT 1458 (USDA repository) | 3.0 | 4 | 2.6 | 5 |
| 65.0008.01 | V. berlanderii X S 11803 | 3.3 | 7 | 2.7 | 9 |
| BR 8 | V. cinerea 66-7 X Loretto 1 (USDA) | 2.6 | 5 | 2.7 | 7 |
| V. longii x rup. (male) | DVIT 1476 (USDA repository) | 1.4 | 5 | 2.8 | 6 |
| V. aest. x rip. (male) | DVIT 1574 (USDA repository) | 1.4 | 5 | 2.8 | 6 |
| JS 23-416 | BS 4825 X Chancellor | 3.3 | 7 | 2.8 | 9 |
| V. doaniana | 2.8 | 4 | 3.0 | 5 | |
| Ill 892-1 | B 47 cinerea X Villard noir | 2.7 | 6 | 3.0 | 8 |
| V. rip. x rup. | DVIT 1500 (USDA repository) | 1.4 | 5 | 3.0 | 6 |
| BR 6B | cinerea 6521-6 X Yaghotti (USDA) | 1.5 | 4 | 3.0 | 5 |
| Ill 842-1 | JS 23-416 X Ill 179-1 | 2.3 | 6 | 3.1 | 8 |
| PI 200569 | Yugoslav 5-24 | 1.8 | 6 | 3.4 | 8 |
| Traminette | JS 23-416 X Gewurztraminer | 3.3 | 4 | 3.4 | 5 |
| Horizon | Seyval X Schuyler | 3.1 | 7 | 3.4 |
9 |
| V. longii | 1.0 | 4 | 3.4 | 5 | |
| Melody | Seyval X GW 5 | 4.1 | 8 | 3.5 | 9 |
| V. riparia L505 (female) | Low acid riparia, Minnesota | 2.0 | 5 | 3.5 | 6 |
| Cayuga White | Seyval X Schuyler | 4.3 | 7 | 3.6 | 9 |
| Kay Gray | ES 217 X Onaka? | 2.8 | 5 | 3.7 | 6 |
| V. lab. x cand. (male) | DVIT 1456 (USDA repository) | 1.4 | 5 | 3.8 | 6 |
| Aurore | S 788 X S 29 | 3.0 | 5 | 3.8 | 5 |
| Concord | Seedling of wild grape | 1.9 | 7 | 4.0 | 9 |
| Himrod | Ontario X Thompson Sdls | 4.4 | 7 | 4.0 | 8 |
| Sunbelt | Concord OP (Arkansas) | 3.2 | 5 | 4.2 | 5 |
| Couderc 98-76 | V. cordifolia X Bourisquou | 2.3 | 3 | 4.3 | 3 |
| Bianca | Villard blanc X Bouvier (Hungary) | 2.5 | 4 | 4.4 | 5 |
| Steuben | Wayne X Sheridan | 3.6 | 5 | 4.4 | 5 |
| Frontenac | riparia 89 X Landot 4511 (Minnesota) | 2.5 | 3 | 4.6 | 5 |
| Chancellor | S 5163 X S 880 | 3.6 | 8 | 4.8 | 8 |
| Orion | Optima X Villard blanc (Germany) | 1.5 | 2 | 5.0 | 3 |
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