Fred Baker's Images
Organization: Utah State UniversityUnit: Department of Forest Resources
Country: United States
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Symptoms(X)
| 24 Images of 11 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 4215048 | Dutch elm disease | Ophiostoma ulmi | early wilt symptoms |
| 4215062 | oak wilt | Ceratocystis fagacearum | vascular discoloration in red oak |
| 4215011 | annosum root disease | Heterobasidion annosum | Douglas-fir with thin crown and chlorotic foliage |
| 4215015 | Marssonina leaf spot | Marssonina tremulae | infected aspen leaf |
| 4215005 | Armillaria root rots | Armillaria spp. | dead young jackpines (infection center) in center |
| 4215016 | Marssonina leaf spot | Marssonina tremulae | defoliated stand |
| 4215004 | Armillaria root rots | Armillaria spp. | group of windthrown lodgepole pine trees in infection center |
| 4215006 | Armillaria root rots | Armillaria spp. | symptomatic and killed jack pine trees |
| 4215065 | oak wilt | Ceratocystis fagacearum | foliar symptoms on bur oak |
| 4215031 | red root and butt rot | Inonotus circinatus | |
| 4215012 | annosum root disease | Heterobasidion annosum | dead ponderosa pine tree next to ponderosa stump |
| 4215061 | oak wilt | Ceratocystis fagacearum | white oaks wilt over many years and may recover |
| 4215019 | limb rust | Peridermium filamentosum | killed branches in ponderosa pine |
| 4215021 | limb rust | Peridermium filamentosum | killed branches in ponderosa pine |
| 4215060 | oak wilt | Ceratocystis fagacearum | rapidly wilting red oak |
| 4215020 | limb rust | Peridermium filamentosum | killed branches in ponderosa pine |
| 4215017 | clinker polypore | Inonotus obliquus | diseased paper birch |
| 4215014 | annosum root disease | Heterobasidion annosum | reddish discoloration associated with early infection |
| 4215010 | annosum root disease | Heterobasidion annosum | infected true fir w/ butt swell and insect attack |
| 4215025 | eastern dwarf mistletoe | Arceuthobium pusillum | early symptoms: branch swelling, reduced apical dominance, witches' broom form. |
| 4215032 | red root and butt rot | Inonotus circinatus | old stump with residual active decay |
| 4215033 | Tomentosus root disease | Onnia tomentosus | stained wood in early stages of decay |
| 4215046 | bacterial wetwood | Enterobacter nimipressuralis | elm with active ooze (upper) & discoloration of bark |
| 4215047 | Dutch elm disease | Ophiostoma ulmi | vascular staining |
