Back to 2001 Annual Report
Back to 2001 Annual Report |
Sweet Corn Disease Nursery2001 Annual ReportJerald
Pataky, Phil Michener, Andrea Campaña
|
Table 3. Criteria for classifying hybrid reactions to diseases in the 2001 nursery
| Classification of reaction | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| RP | Resistant | Moderately resistant | Moderate | Moderately susceptible | Susceptible | |||||
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| Stewart's wilt | 
2.5 |
3 |
3.6 |
< 4 |
4.5 |
5 |
< 5.6 |
6.5 |
> 6.5 | |
| Rust -avirulant (%) |
5 |
10 |
15 |
21 |
25 |
31 |
< 38 |
45 |
< 50 | 
50 |
| Rust -virulent (%) | 0 | < 18 | < 24 |
30 |
33 |
< 38 | < 44 | < 50 |
50 |
|
| NLB (%) |
6 |
< 12 | < 19 | < 26 | < 33 | < 40 | < 46 | < 53 | > 53 | |
| SLB (%) |
10 |
16 |
22 |
26 |
29 |
35 |
41 |
> 41 | ||
| GLS (%) | < 40 | < 60 | < 73 | < 80 | < 88 |
88 |
||||
| Classification: 0 - Rp-resistance, 1 - resistant, 3 - moderately resistant, 5 - moderate, 7 - moderately susceptible, 9 - susceptible. | ||||||||||
