Photos
Resistant Western White Pine Seedling with Bark Reactions
| Title: | Resistant Western White Pine Seedling with Bark Reactions |
|---|---|
| Description: | Resistant western white pine (P. monticola) seedling in April 2007, 2.5 years after inoculation with white pine blister rust (C. ribicola). This seedling has >20 'bark reactions'. |
| Photographer: | Richard Sniezko |
