Back to 1998 Annual Report |
Sweet Corn Disease Nursery1998 Annual Report |
Table 3.   Criteria for classifying hybrid reactions to diseases in the 1998 nursery
Disease | Classification of reaction | ||||||
0 | 1 | 2 | 3 | 5 | 7 | 9 | |
Common rust | RP | < 18 | < 22 | < 27 | < 31 | > 31 | |
NLB | HtN | < 10 | < 20 | < 26 | < 40 | < 45 | > 45 |
Stewart's wilt | < 2 | < 2.75 | < 4.0 | < 4.5 | > 4.5 | ||
MDM | < 20 | < 35 | < 50 | > 50 | |||
SLB | < 2 | < 3.2 | < 4.5 | < 5.5 | > 5.5 | ||
Southern rust | Rpp | < 5 | < 6 | < 7 | > 7 | ||
Classification: 1 - resistant, 3 - moderately resistant, 5 - moderate, 7 - moderately susceptible, 9 - susceptible. |