Leaf Rust
Reaction to Leaf Rust (incited by Puccinia hordei) in the seedling stage.
| Code | Term | Description |
|---|---|---|
| 0 | IMMUNE - NO UREDIA OR OTHER INDICATIONS OF INFECTION. | |
| 0+ | NEARLY IMMUNE - NO UREDIA BUT A FEW HYPERSENSITIVE FLECKS PRESENT. | |
| 1 | VERY RESISTANT - UREDIA MINUTE - SURROUNDED BY DISTINCT NECROTIC AREAS. | |
| 2 | MODERATELY RESISTANT - UREDIA SMALL TO MEDIUM - USUALLY GREEN ISLANDS SURROUNDED BY A CHLOROTIC/NECROTIC BORDER. | |
| 3 | MODERATELY SUSCEPTIBLE - UREDIA MEDIUM - COALESCENCE INFREQUENT - NO NECROSIS BUT CHLOROTIC SPOTS MAY BE PRESENT. | |
| 4 | VERY SUSCEPTIBLE - UREDIA LARGE AND OFTEN COALESCING - NO NECROSIS BUT CHLOROSIS MAY BE PRESENT. |