Fred Baker's Images
Organization: Utah State UniversityUnit: Department of Forest Resources
Country: United States
| 78 Images of 28 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 4215048 | Dutch elm disease | Ophiostoma ulmi | early wilt symptoms |
| 4215023 | eastern pine gall rust | Cronartium quercuum | aecia |
| 4215062 | oak wilt | Ceratocystis fagacearum | vascular discoloration in red oak |
| 4215043 | Pacific mistletoe | Phoradendron villosum | on oak |
| 4215011 | annosum root disease | Heterobasidion annosum | Douglas-fir with thin crown and chlorotic foliage |
| 4215064 | oak wilt | Ceratocystis fagacearum | spore mat which forms only in red oak group |
| 4215015 | Marssonina leaf spot | Marssonina tremulae | infected aspen leaf |
| 4215039 | frost and winter injury (general) | deformed aspen stems resulting from snow creep-as weight of snow deforms boles | |
| 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 |
| 4215087 | frost and winter injury (general) | ||
| 4215060 | oak wilt | Ceratocystis fagacearum | rapidly wilting red oak |
| 4215020 | limb rust | Peridermium filamentosum | killed branches in ponderosa pine |
| 4799068 | clearcut | Trees are felled and bunched in Minnesota clearcut. | |
| 4799073 | clearcut | Mechanized harvesting leaves little aerial slash- as it is either at the landing or packed into the ground by skidder traffic. Prescribed burning is no longer an option, and the sphagnum seedbed is covered with debris, restricting seedling germination/establishment | |
| 4215037 | topping | tree abuse-hat racking/topping | |
| 4799056 | fire | natural patterns of jack pine and aspen following fire in Manitoba | |
| 4215028 | eastern dwarf mistletoe | Arceuthobium pusillum | staminate flowers; pollen transported by wind and insects |
| 4215029 | eastern dwarf mistletoe | Arceuthobium pusillum | staminte shoots; prior to flowering |
| 4215030 | eastern dwarf mistletoe | Arceuthobium pusillum | mature pistillate shoots with explosive fruits |
| 4799063 | dwarf mistletoes | Arceuthobium spp. | Prescribed fire in black spruce slash to eradicate dwarf mistletoe and inprove seedbed. Stand located in Minnesota. |
| 4799064 | dwarf mistletoes | Arceuthobium spp. | Prescribed fire in black spruce slash to eradicate dwarf mistletoe and inprove seedbed. Stand located in Minnesota. |
| 4799066 | black spruce | Picea mariana | Black spruce requires a sphagnum seedbed for regeneration. Minnesota site. |
| 4799074 | clearcut | Mechanized harvesting leaves little aerial slash- as it is either at the landing or packed into the ground by skidder traffic. Prescribed burning is no longer an option, and the sphagnum seedbed is covered with debris, restricting seedling germination/establishment | |
| 4799075 | clearcut | Mechanized harvesting leaves little aerial slash- as it is either at the landing or packed into the ground by skidder traffic. Prescribed burning is no longer an option, and the sphagnum seedbed is covered with debris, restricting seedling germination/establishment | |
| 4799076 | Armillaria root rots | Armillaria spp. | Push over logging with an excavator (with claw) to remove infected stumps |
| 4799077 | Armillaria root rots | Armillaria spp. | Push over logging with an excavator (with claw) to remove infected stumps |
| 4799078 | Armillaria root rots | Armillaria spp. | Push over logging with an excavator (with claw) to remove infected stumps |
| 4799079 | Tomentosus root disease | Onnia tomentosus | Pushing and piling stumps to reduce mycelium causing root decay |
| 4799080 | Tomentosus root disease | Onnia tomentosus | Pushing and piling stumps to reduce mycelium causing root decay |
| 4799081 | root diseases and rots | Pushing stumps for root disease inoculum reduction, Wenetchee National Forest, Washington | |
| 4799082 | root diseases and rots | Pushing stumps for root disease inoculum reduction, Wenetchee National Forest, Washington | |
| 4799083 | annosum root disease | Heterobasidion annosum | Treating stumps with borax to prevent colonization by spores |
| 4799084 | annosum root disease | Heterobasidion annosum | Treating stumps with borax to prevent colonization by spores |
| 4215040 | dog (domestic) | Canis lupus familiaris | urine damage turf at rest stop |
| 4215042 | mesquite mistletoe | Phoradendron californicum | on mesquite |
| 4799054 | mechanical strip thinning | Hydro Ax thinning of mistletoe infected stand in British Columbia. Not an effective practice as infected trees remain in unthinned strips. | |
| 4215038 | dog (domestic) | Canis lupus familiaris | urine damage to turf at rest stop-culprit caught in act |
| 4215044 | fir mistletoe | Phoradendron pauciflorum | |
| 4215045 | mistletoes | Frank Hawksworth, thinking arcethobium, holding Phoradendron | |
| 4215046 | bacterial wetwood | Enterobacter nimipressuralis | elm with active ooze (upper) & discoloration of bark |
| 4215047 | Dutch elm disease | Ophiostoma ulmi | vascular staining |
| 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 |
| 4215034 | red root and butt rot | Inonotus circinatus | |
| 4215035 | transplant shock | new spruce showing growth decline/foliage loss | |
| 4215036 | transplant shock | tree abuse-girdling to support it | |
| 4215024 | eastern dwarf mistletoe | Arceuthobium pusillum | dead, broomed black spruce |
| 4215025 | eastern dwarf mistletoe | Arceuthobium pusillum | early symptoms: branch swelling, reduced apical dominance, witches' broom form. |
| 4215026 | eastern dwarf mistletoe | Arceuthobium pusillum | growth stimulation of host |
| 4215027 | eastern dwarf mistletoe | Arceuthobium pusillum | epinastic effects |
| 4215022 | eastern pine gall rust | Cronartium quercuum | pycnia |
| 4215017 | clinker polypore | Inonotus obliquus | diseased paper birch |
| 4215018 | limb rust | Peridermium filamentosum | current year's aecia and persistent |
| 4215013 | annosum root disease | Heterobasidion annosum | at base of windthrown true fir |
| 4215014 | annosum root disease | Heterobasidion annosum | reddish discoloration associated with early infection |
| 4215009 | Armillaria root rots | Armillaria spp. | |
| 4215010 | annosum root disease | Heterobasidion annosum | infected true fir w/ butt swell and insect attack |
| 4799065 | dwarf mistletoes | Arceuthobium spp. | Fire consumes or "cooks" advanced regeneration and residual spruce, killing the trees and the mistletoe in them, allowing the stand to develop free of disease. |
| 4799059 | dwarf mistletoes | Arceuthobium spp. | Mistletoe infected white spruce in Manitoba treated with herbicide using Hypo-hatchet. Seedlings need shelter to establish but overstory must be killed to prevent seedling infection. |
| 4799060 | dwarf mistletoes | Arceuthobium spp. | Infected shelterwood residuals ensure infection of regeneration and must be cut as soon as regeneration is established. Stand located in Wyoming. |
| 4799062 | dwarf mistletoes | Arceuthobium spp. | Shortwood system provide sufficient aerial slash to carry a prescribed fire for seedbed preparation. Stand located in Minnesota. |
| 4799067 | harvesting | In the last 70's, mechanized harvesting came to the black spruce forests of Minnesota. Small, closely spaced trees made shearing and grapple skidding very effecient. | |
| 4799069 | clearcut | In a Minnesota clearcut a drag is picked up by the skidder and forwarded to a landing | |
| 4799070 | clearcut | Frozen branches break off as the trees are skidded to the deck in a Minnesota clearcut. | |
| 4799071 | clearcut | In a Minnesota clearcut, limbs are broken off using the skidder blade. | |
| 4799072 | clearcut | Log deck with tops piled, logs piled. Clearcut stand in Minnesota. | |
| 4799057 | dwarf mistletoes | Arceuthobium spp. | Anchor chain used to eliminate mistletoe infected residual Douglas-fir before replanting in British Columbia. |
| 4799058 | dwarf mistletoes | Arceuthobium spp. | Large clearcut in mistletoe infected jack pine stand in Manitoba. Cut boundaries located well beyond extent of infection. Site chained afterward to eliminate infected understory trees. |
| 4799055 | patch clearcutting | Jack pine stand clearcut to mimic natural fire pattern in Manitoba |
