| 1427028 |
sudden oak death |
Phytophthora ramorum |
China Camp State Park, California |
| 5043028 |
sudden oak death |
Phytophthora ramorum |
|
| 5043030 |
sudden oak death |
Phytophthora ramorum |
|
| 5043027 |
sudden oak death |
Phytophthora ramorum |
|
| 5043029 |
sudden oak death |
Phytophthora ramorum |
|
| 5043025 |
sudden oak death |
Phytophthora ramorum |
|
| 5043024 |
sudden oak death |
Phytophthora ramorum |
|
| 5043023 |
sudden oak death |
Phytophthora ramorum |
|
| 5043020 |
sudden oak death |
Phytophthora ramorum |
|
| 1400113 |
chestnut blight or canker |
Cryphonectria parasitica |
Canker on main stem; note dead branch in center of canker, discolored bark, and orange bumps (stroma) breaking through killed bark. |
| 1427068 |
sudden oak death |
Phytophthora ramorum |
Dried ooze caused by bleeding from P. ramorum infection on coast live oak. |
| 1427003 |
sudden oak death |
Phytophthora ramorum |
|
| 1427001 |
sudden oak death |
Phytophthora ramorum |
|
| 1427054 |
sudden oak death |
Phytophthora ramorum |
Canker and zone lines caused by P. ramorum. |
| 1301078 |
Dutch elm disease |
Ophiostoma ulmi |
Coremia (spore-bearing bodies) of Ophiostoma ulmi in a Scolytus multistriatus gallery |
| 1406093 |
oak wilt |
Ceratocystis fagacearum |
|
| 1400112 |
chestnut blight or canker |
Cryphonectria parasitica |
Lethal canker on main stem, with bark discoloration and orange stroma. |
| 1399050 |
sapstreak disease of sugar maple |
Ceratocystis coerulescens |
|
| 1400114 |
chestnut blight or canker |
Cryphonectria parasitica |
Orange stroma of cryphonectria emerging through bark of canker. |
| 2250029 |
black stain root disease |
Ophiostoma wageneri |
stained wood of Douglas-fir |
| 1301033 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt in a young group of pin oaks |
| 0488100 |
chestnut blight or canker |
Cryphonectria parasitica |
diseased chestnut |
| 1301076 |
Dutch elm disease |
Ophiostoma ulmi |
Crown symptoms of Dutch elm disease on a large street tree. |
| 1427102 |
sudden oak death |
Phytophthora ramorum |
Bark cracks and bleeding on coast live oak. |
| 1427095 |
sudden oak death |
Phytophthora ramorum |
Coast live oak mortality from P. ramorum infection at China Camp State Park, CA. |
| 1427071 |
sudden oak death |
Phytophthora ramorum |
Coast live oak dying from P. ramorum infection, China Camp State Park, CA. |
| 1427050 |
sudden oak death |
Phytophthora ramorum |
Tanoak sprouts dying from P. ramorum infection. |
| 1427052 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection, Muir Woods State Park, CA. |
| 1427048 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection, Muir Woods State Park, CA. |
| 1427034 |
sudden oak death |
Phytophthora ramorum |
|
| 1427046 |
sudden oak death |
Phytophthora ramorum |
|
| 1427047 |
sudden oak death |
Phytophthora ramorum |
Tip dieback caused by P. ramorum on tanoak. |
| 1427035 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427041 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427033 |
sudden oak death |
Phytophthora ramorum |
|
| 1427021 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427020 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427023 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 0355036 |
Dutch elm disease |
Ophiostoma ulmi |
advanced symptoms on American elm |
| 1427004 |
sudden oak death |
Phytophthora ramorum |
|
| 1427019 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427016 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427109 |
sudden oak death |
Phytophthora ramorum |
|
| 1442052 |
Dutch elm disease |
Ophiostoma ulmi |
Ceratacystid ulmi dying tree Ulmus americana Milliken ,CO7-16-74 |
| 1427022 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427051 |
sudden oak death |
Phytophthora ramorum |
Tanoak sprouts dying from P. ramorum infection. |
| 1399046 |
sapstreak disease of sugar maple |
Ceratocystis coerulescens |
note small leaves |
| 1427080 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection, Muir Woods State Park, CA. |
| 1427096 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection at Muir Woods. |
| 1427049 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection. |
| 3046077 |
bacterial leaf scorch |
Xylella fastidiosa |
symptoms in sycamore plantation |
| 1427110 |
sudden oak death |
Phytophthora ramorum |
|
| 1427083 |
sudden oak death |
Phytophthora ramorum |
Zone lines of P. ramorum on coast live oak. |
| 1399047 |
sapstreak disease of sugar maple |
Ceratocystis coerulescens |
typical fresh stain on buttress root |
| 1427030 |
sudden oak death |
Phytophthora ramorum |
|
| 1301074 |
Dutch elm disease |
Ophiostoma ulmi |
Large specimen elm tree killed |
| 1301059 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt pocket in urban landscape |
| 1427036 |
sudden oak death |
Phytophthora ramorum |
|
| 3046072 |
bacterial leaf scorch |
Xylella fastidiosa |
|
| 1427112 |
sudden oak death |
Phytophthora ramorum |
|
| 1467158 |
black stain root disease |
Ophiostoma wageneri |
vascular discoloration |
| 1427053 |
sudden oak death |
Phytophthora ramorum |
Tip symptoms on tanoak seedling, caused by P. ramorum. |
| 2252006 |
Dutch elm disease |
Ophiostoma ulmi |
sapwood stain |
| 1427113 |
sudden oak death |
Phytophthora ramorum |
|
| 1427101 |
sudden oak death |
Phytophthora ramorum |
|
| 1427094 |
sudden oak death |
Phytophthora ramorum |
Coast live oak dying from P. ramorum infection. |
| 1427093 |
sudden oak death |
Phytophthora ramorum |
P. ramorum symptoms on Rhododendron in central CA. Leaves were confirmed as infected with P. ramorum by Jenny Davidson. |
| 1427069 |
sudden oak death |
Phytophthora ramorum |
Signs of bleeding caused by P. ramorum infection on lichen-covered bark of coast live oak. |
| 1427018 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427070 |
sudden oak death |
Phytophthora ramorum |
Residual signs of bleeding caused by P. ramorum infection on bark surface lichens. |
| 1427092 |
sudden oak death |
Phytophthora ramorum |
P. ramorum leaf symptoms on California laurel (bay). |
| 1399049 |
sapstreak disease of sugar maple |
Ceratocystis coerulescens |
characteristic stain on buttress root |
| 1427017 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427005 |
sudden oak death |
Phytophthora ramorum |
|
| 1427002 |
sudden oak death |
Phytophthora ramorum |
|
| 1427103 |
sudden oak death |
Phytophthora ramorum |
Tip droop symptom of sudden oak death on tanoak. |
| 1427086 |
sudden oak death |
Phytophthora ramorum |
Coast live oak dying from P. ramorum infection. |
| 1427064 |
sudden oak death |
Phytophthora ramorum |
Coast live oak dying from P. ramorum infection. |
| 1427074 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427090 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection, Muir Woods State Park, CA. |
| 2252001 |
Dutch elm disease |
Ophiostoma ulmi |
vascular discoloration in winged elm |
| 1427045 |
sudden oak death |
Phytophthora ramorum |
Tip dieback symptoms caused by P. ramorum on tanoak. |
| 2250056 |
black stain root disease |
Ophiostoma wageneri |
stained roots of Douglas-fir |
| 1427075 |
sudden oak death |
Phytophthora ramorum |
Tip blight symptoms on tanoak caused by P. ramorum. |
| 1427099 |
sudden oak death |
Phytophthora ramorum |
Tip blight symptoms of sudden oak death on tanoak. |
| 2251098 |
Dutch elm disease |
Ophiostoma ulmi |
crown symptoms |
| 2252004 |
oak wilt |
Ceratocystis fagacearum |
leaf symptoms |
| 2252007 |
Dutch elm disease |
Ophiostoma ulmi |
branch dieback |
| 1399048 |
sapstreak disease of sugar maple |
Ceratocystis coerulescens |
typical fresh stain on buttress root |
| 2635026 |
oak wilt |
Ceratocystis fagacearum |
close-up view of fungal mat on peeled stem |
| 1467153 |
black stain root disease |
Ophiostoma wageneri |
|
| 1398052 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 1396140 |
Dutch elm disease |
Ophiostoma ulmi |
Wildcat Mountain Park |
| 5042052 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
Witches' broom on white ash |
| 1301020 |
oak wilt |
Ceratocystis fagacearum |
Vertical cracks in bark caused by pressure pads. |
| 1427039 |
sudden oak death |
Phytophthora ramorum |
|
| 3037015 |
oak wilt |
Ceratocystis fagacearum |
southern Missouri |
| 5254040 |
oak wilt |
Ceratocystis fagacearum |
Individual leaf symptoms |
| 5035095 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from Phytophthora ramorum infection |
| 2252003 |
oak wilt |
Ceratocystis fagacearum |
infected sapling |
| 1400152 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 3046073 |
bacterial leaf scorch |
Xylella fastidiosa |
|
| 1398053 |
Dutch elm disease |
Ophiostoma ulmi |
Advanced crown symptoms. |
| 1427072 |
sudden oak death |
Phytophthora ramorum |
Coast live oak infected with P. ramorum. |
| 1388032 |
Dutch elm disease |
Ophiostoma ulmi |
Flagging branches throughout the crown. |
| 1427105 |
sudden oak death |
Phytophthora ramorum |
Symptom progression on coast live oaks, from wilting to dead. |
| 1467155 |
black stain root disease |
Ophiostoma wageneri |
|
| 1467020 |
black stain root disease |
Ophiostoma wageneri |
|
| 1467154 |
black stain root disease |
Ophiostoma wageneri |
|
| 1400153 |
Dutch elm disease |
Ophiostoma ulmi |
Dying elm, marked for removal. July |
| 1396139 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 1396136 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 1301073 |
Dutch elm disease |
Ophiostoma ulmi |
Early wilt symptoms |
| 1427006 |
sudden oak death |
Phytophthora ramorum |
|
| 1396138 |
Dutch elm disease |
Ophiostoma ulmi |
Wildcat Mountain Park |
| 1467019 |
black stain root disease |
Ophiostoma wageneri |
|
| 5035093 |
sudden oak death |
Phytophthora ramorum |
Tanoak killed by Phytophthora ramorum in Muir Woods |
| 5035094 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from Phytophthora ramorum infection |
| 5300088 |
oak wilt |
Ceratocystis fagacearum |
A small oak wilt pocket |
| 5041040 |
sudden oak death |
Phytophthora ramorum |
Symptoms on coast live oak |
| 5041042 |
sudden oak death |
Phytophthora ramorum |
Symptoms on coast live oak |
| 5058096 |
sudden oak death |
Phytophthora ramorum |
Symptoms on Pacific madrone |
| 5046056 |
sudden oak death |
Phytophthora ramorum |
Crown symptoms |
| 5046052 |
sudden oak death |
Phytophthora ramorum |
Dark discoloration of inner bark |
| 5046063 |
sudden oak death |
Phytophthora ramorum |
Twig dieback |
| 5046068 |
sudden oak death |
Phytophthora ramorum |
Twig symptoms |
| 5046055 |
sudden oak death |
Phytophthora ramorum |
Leaf symptoms |
| 1241712 |
blue stain |
|
Characteristic radiating pattern of blue stain in cross section. |
| 5039017 |
oak wilt |
Ceratocystis fagacearum |
Red oak killed by oak wilt |
| 5045047 |
sudden oak death |
Phytophthora ramorum |
Severe impact of Phytophthora ramorum on Pacific madrone |
| 5046016 |
oak wilt |
Ceratocystis fagacearum |
Leaf symptoms on red oak |
| 5040068 |
oak wilt |
Ceratocystis fagacearum |
Red oak with oak wilt, shedding leaves and marked for removal |
| 2199086 |
laurel wilt |
Raffaelea lauricola |
Vascular staining caused by a fungus introduced by Xyleborus glabratus. Note beetle attack site to left of fingernail. |
| 2199087 |
laurel wilt |
Raffaelea lauricola |
Vascular staining caused by an Raffaelea sp. fungus introduced by Xyleborus glabratus |
| 5053097 |
chestnut blight or canker |
Cryphonectria parasitica |
Chestnut blight canker on American chestnut |
| 5035032 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt mortality caused by oak wilt. |
| 5035030 |
oak wilt |
Ceratocystis fagacearum |
Red oak mortality caused by oak wilt |
| 5039072 |
oak wilt |
Ceratocystis fagacearum |
Oak mortality caused by oak wilt. |
| 5039086 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt mortality and symptoms |
| 5039082 |
oak wilt |
Ceratocystis fagacearum |
Small oak tree killed by oak wilt |
| 5035035 |
sudden oak death |
Phytophthora ramorum |
Leaf symptoms of ramorum leaf blight on California bay laurel |
| 5035036 |
sudden oak death |
Phytophthora ramorum |
Phytophthora ramorum leaf symptoms on California bay laurel |
| 5035039 |
sudden oak death |
Phytophthora ramorum |
Mortality in tanoak caused by Phytophthora ramorum |
| 5252020 |
Dutch elm disease (novi-ulmi) |
Ophiostoma novo-ulmi |
Fruiting bodies of Ophiostoma novo-ulmi in bark beetle galleries of Scolytus multistriatus on American elm. |
| 5044023 |
sudden oak death |
Phytophthora ramorum |
Tanoak sprouts killed by Phytophthora ramorum. |
| 5038043 |
sudden oak death |
Phytophthora ramorum |
Symptoms of P. ramorum on Douglas-fir |
| 5044026 |
sudden oak death |
Phytophthora ramorum |
Coast live oak killed by P. ramorum. |
| 5044027 |
sudden oak death |
Phytophthora ramorum |
Tan oak killed by P. ramorum. |
| 5044029 |
sudden oak death |
Phytophthora ramorum |
Tanoak killed by P. ramorum. |
| 5044028 |
sudden oak death |
Phytophthora ramorum |
young tanoak killed by P. ramorum. |
| 5044030 |
sudden oak death |
Phytophthora ramorum |
Tanoak sprouts killed by P. ramorum. |
| 5038074 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt crown symptoms. |
| 5037027 |
Verticillium wilts |
Verticillium spp. |
|
| 5043049 |
sudden oak death |
Phytophthora ramorum |
Sudden oak death field trip |
| 5297081 |
sudden oak death |
Phytophthora ramorum |
Bark cracks with black ooze in coast live oak, a symptom of ramorum canker. |
| 5251049 |
sudden oak death |
Phytophthora ramorum |
Bark discoloration and zone lines in coast live oak. |
| 5037093 |
sudden oak death |
Phytophthora ramorum |
Symptoms of ramorum leaf blight on California bay laurel. |
| 5049007 |
chestnut blight or canker |
Cryphonectria parasitica |
Research activities concerning chestnut blight. Person in image: Bill MacDonald |
| 5297093 |
chestnut blight or canker |
Cryphonectria parasitica |
Field crew doing chestnut blight research in Wisconsin. |
| 5297092 |
chestnut blight or canker |
Cryphonectria parasitica |
Experimental treatment of chestnut blight cankers in Wisconsin. Person in image:Linda Haugen |
| 5297094 |
chestnut blight or canker |
Cryphonectria parasitica |
Chestnut blight cankers experimentally treated with hypovirulent strain of the pathogen. |
| 5297095 |
chestnut blight or canker |
Cryphonectria parasitica |
Chestnut blight cankers experimentally treated with a hypovirulent strain of the pathogen. |
| 5297096 |
chestnut blight or canker |
Cryphonectria parasitica |
Chestnut blight research in Wisconsin. Person in image: Barb Spears |
| 5297097 |
chestnut blight or canker |
Cryphonectria parasitica |
Chestnut blight cankers experimentally treated with a hypovirulent strain of the pathogen. |
| 5297098 |
chestnut blight or canker |
Cryphonectria parasitica |
Farm site in Wisconsin where chestnut blight cankers were experimentally treated with a hypovirulent strain of the pathogen. |
| 5297100 |
chestnut blight or canker |
Cryphonectria parasitica |
Field crew doing research on chestnut blight in Wisconsin. |
| 5298001 |
chestnut blight or canker |
Cryphonectria parasitica |
Field crew doing research on chestnut blight in Wisconsin. |
| 5298002 |
chestnut blight or canker |
Cryphonectria parasitica |
Field crew doing research on chestnut blight in Wisconsin. |
| 5298003 |
chestnut blight or canker |
Cryphonectria parasitica |
Field crew doing research on chestnut blight in Wisconsin. |
| 5298006 |
chestnut blight or canker |
Cryphonectria parasitica |
Field crew doing research on chestnut blight in Wisconsin. |
| 5298007 |
chestnut blight or canker |
Cryphonectria parasitica |
Field crew doing research on chestnut blight in Wisconsin. |
| 5298008 |
chestnut blight or canker |
Cryphonectria parasitica |
Field crew doing research on chestnut blight in Wisconsin. |
| 5298009 |
chestnut blight or canker |
Cryphonectria parasitica |
Tree climbing field crew doing research on chestnut blight in Wisconsin. |
| 5043084 |
sudden oak death |
Phytophthora ramorum |
site of extensive ramorum canker on oak. |
| 5043087 |
sudden oak death |
Phytophthora ramorum |
Sudden oak death (ramorum canker) symptoms on coast live oak |
| 5043086 |
sudden oak death |
Phytophthora ramorum |
Sudden oak death (ramorum canker) symptoms on coast live oak |
| 5043085 |
sudden oak death |
Phytophthora ramorum |
Sudden oak death (ramorum canker) symptoms on coast live oak |
| 5043090 |
sudden oak death |
Phytophthora ramorum |
Sudden oak death symptoms on coast live oak in California. |
| 5043093 |
sudden oak death |
Phytophthora ramorum |
Sudden oak death (ramorum canker) symptoms on coast live oak |
| 5043094 |
sudden oak death |
Phytophthora ramorum |
Sudden oak death (ramorum canker) symptoms on coast live oak |
| 5038022 |
sudden oak death |
Phytophthora ramorum |
Sudden oak death (ramorum canker) symptoms on coast live oak |
| 5038023 |
sudden oak death |
Phytophthora ramorum |
Sudden oak death (ramorum canker) symptoms on coast live oak |
| 5034061 |
oak wilt |
Ceratocystis fagacearum |
Vibratory plow with a five foot blade, used for disrupting root graft connections for control of oak wilt. Entomologist Jim Hanson on the Cat |
| 5034085 |
oak wilt |
Ceratocystis fagacearum |
Michigan DNR workshop on identifying and controlling oak wilt. |
| 2199085 |
laurel wilt |
Raffaelea lauricola |
Partial canopy wilt due to a vascular infection by a fungus introduced by Xyleborus glabratus. Compare with image 2199093 taken 8 months later. |
| 2199083 |
laurel wilt |
Raffaelea lauricola |
Felling dead redbays near a parking lot |
| 2200002 |
laurel wilt |
Raffaelea lauricola |
Redbay mortality caused by Xyleborus glabratus and its associated fungus. The percentage of dead redbays in this section of forest increased from 10% to 81% in the course of one year. |
| 2199093 |
laurel wilt |
Raffaelea lauricola |
Redbay crown completely wilted and brown. Photo taken 8 months after image 2199085. |
| 5005056 |
laurel wilt |
Raffaelea lauricola |
vascular staining from fungus associated with the redbay ambrosia beetle (Xyleborus glabratus) |
| 2200003 |
laurel wilt |
Raffaelea lauricola |
Wilted redbay foliage |
| 5042070 |
sudden oak death |
Phytophthora ramorum |
Inspection of nursery infected with Phytophthora ramorum on Rhododendron. |
| 5032042 |
oak wilt |
Ceratocystis fagacearum |
Vertical cracks in oak killed by oak wilt, indicating the presence of spore mats under the bark. |
| 5033090 |
Dutch elm disease (novi-ulmi) |
Ophiostoma novo-ulmi |
American elm with DED symptoms marked for removal. |
| 2199090 |
laurel wilt |
Raffaelea lauricola |
Redbay mortality caused by Xyleborus glabratus and its associated fungus. |
| 2200001 |
laurel wilt |
Raffaelea lauricola |
Redbay mortality caused by Xyleborus glabratus and its associated fungus. The percentage of dead redbays in this section of forest increased from 10% to 81% in the course of one year. |
| 2199084 |
laurel wilt |
Raffaelea lauricola |
Vascular staining caused by an Raffaelea sp. fungus introduced by Xyleborus glabratus |
| 5028035 |
sudden oak death |
Phytophthora ramorum |
|
| 5037087 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
|
| 5037083 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
|
| 5033086 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 5045006 |
oak wilt |
Ceratocystis fagacearum |
|
| 1473272 |
oak wilt |
Ceratocystis fagacearum |
one week after early symptoms had appeared. Rapid leaf fall is characteristic; 7/14/1953 |
| 1473275 |
mimosa wilt |
Fusarium oxysporum f.sp. perniciosum |
sap streak in wilting mimosa; 7/15/1953 |
| 1473274 |
mimosa wilt |
Fusarium oxysporum f.sp. perniciosum |
sap streak in wilting mimosa; 7/15/1953 |
| 1473273 |
mimosa wilt |
Fusarium oxysporum f.sp. perniciosum |
in old nursery; 7/15/1953 |
| 5037078 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
abnormal branching |
| 5037084 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
|
| 5048007 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
deliquescent branching |
| 5037080 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
|
| 5037081 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
|
| 5037085 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
witch's broom |
| 5037077 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
abnormal branching |
| 5037088 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
|
| 5037082 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
severely affected tree |
| 5037079 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
affected tree in landscape |
| 5030087 |
oak wilt |
Ceratocystis fagacearum |
aerial photo |
| 5030086 |
oak wilt |
Ceratocystis fagacearum |
spore pad |
| 5030071 |
oak wilt |
Ceratocystis fagacearum |
Control of oak wilt by uprooting stumps of oak killed by Ceratocystis fagacearum, to prevent root-root spread. Chequamegon-Nicolet National Forest. |
| 5030078 |
oak wilt |
Ceratocystis fagacearum |
Uprooted stump with roots severed to prevent root-root transfer of the oak wilt pathogen in glacial till soils. Chequemegon-Nicolet National Forest. |
| 5030077 |
oak wilt |
Ceratocystis fagacearum |
Uprooted stump of Quercus sp. to control spread of oak wilt through root systems. This may be a useful technique where vibratory plowing or trenching is impossible. |
| 5030079 |
oak wilt |
Ceratocystis fagacearum |
An uprooted stump of a tree killed by oak wilt. Uprooting stumps and severing root connections may help to prevent spread of oak wil in situations where vibratory plowing or trenching is not feasible. |
| 5030075 |
oak wilt |
Ceratocystis fagacearum |
Boulder-strewn terrain where oak wilt control using a vibratory plow is not an option. Root disruption by uprooting stumps may provide some control of root-root spread of the pathogen on such sites. |
| 1501051 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, infra-red photo |
| 5030081 |
oak wilt |
Ceratocystis fagacearum |
Stump of a tree killed by oak wilt, with all roots severed to prevent root-root transfer of the pathogen. |
| 5030084 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt treatment site; Sign forbidding firewood gathering, to prevent spread of oak wilt. |
| 5030072 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt control by uprooting stumps of trees killed by oak wilt, to prevent root-root transmission. Chequamegon-Nicolet National Forest. |
| 5030073 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt control by uprooting stumps of trees killed by Ceratocystis fagacearum, to prevent root-root transmission of the pathogen. Chequamegon-Nicolet National Forest. |
| 5030069 |
oak wilt |
Ceratocystis fagacearum |
Spore mat and pressure pad under the bark of oak-wilt killed tree. Jenny Juzwik is the person in the picture. |
| 5030068 |
oak wilt |
Ceratocystis fagacearum |
Trenching machine used in establishing root graft disruption lines for oak wilt control. Exhibited during the forest pathology field trip of the American Phytopathological Society, 2003, near Shawano, WI. |
| 5030070 |
oak wilt |
Ceratocystis fagacearum |
Sign warning not to gather firewood, to prevent transfer of oak wilt, on Chequamegon-Nicolet National Forest. |
| 1407052 |
Dutch elm disease |
Ophiostoma ulmi |
Like all living things, trees eventually die and decay, victims of many living and manmade agents. The agent here is Dutch elm disease. To ward off this widespread infection, keep elm trees well pruned. If they do become infected, cut and destroy the diseased trees as soon as possible. |
| 1509098 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt |
| 1509094 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt |
| 1509099 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt |
| 1509097 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt |
| 1509100 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt |
| 1509096 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt |
| 1509101 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt |
| 1509093 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt |
| 1509095 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt |
| 1506071 |
chestnut blight or canker |
Cryphonectria parasitica |
Chestnut blight - branch symptoms |
| 1506072 |
chestnut blight or canker |
Cryphonectria parasitica |
Chestnut blight - stem canker |
| 1501033 |
Dutch elm disease |
Ophiostoma ulmi |
Dutch elm disease, Natchez Trace Pkwy. |
| 1501032 |
Dutch elm disease |
Ophiostoma ulmi |
Dutch elm disease, vascular streak |
| 1501035 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, trenching at Whiskey Canyon Ranch to eliminate root grafts |
| 1501038 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, trenching at Whiskey Canyon Ranch to eliminate root grafts |
| 1501047 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, Live oak leaf symptoms |
| 1501036 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, ditch-witch trench at the LBJ Ranch to eliminate root grafts |
| 1501037 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, trenching at Whiskey Canyon Ranch to eliminate root grafts |
| 1501056 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt kill in pasture, S. of Kerrville |
| 1501053 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, V.A.Cemetary |
| 1501050 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, Live oakbranch showing symptoms |
| 1501054 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt center |
| 1501046 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, Live oak leaf symptoms |
| 1501041 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, Texas red oak leaf symptoms |
| 1501043 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, Texas red oak leaf symptoms |
| 1501039 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, old (6 mos +) pressure pad on live oak |
| 1501034 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, vascular streak |
| 1501048 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, Live oak tree symptoms |
| 1501058 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, live oak, Kerrville State Park |
| 1501044 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, Live oak leaf symptoms |
| 1501045 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, Live oak leaf symptoms |
| 1501059 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, live oak, Kerrville State Park |
| 1501042 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, Texas red oak leaf symptoms |
| 1501055 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt center, Kerrville State Park |
| 1501040 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt may move through root grafts between trees similar to this live oak root grafting |
| 1501057 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt, live oak, Kerrville State Park |
| 1501030 |
mimosa wilt |
Fusarium oxysporum f.sp. perniciosum |
Mimosa wilt, stem streak - survivor |
| 5202057 |
oak wilt |
Ceratocystis fagacearum |
Active oak wilt pocket, early July, Eau Claire Co., WI |
| 5028051 |
sudden oak death |
Phytophthora ramorum |
Ramorum leaf blight on California laurel |
| 5028030 |
sudden oak death |
Phytophthora ramorum |
|
| 5028037 |
sudden oak death |
Phytophthora ramorum |
|
| 5028040 |
sudden oak death |
Phytophthora ramorum |
|
| 5028050 |
sudden oak death |
Phytophthora ramorum |
Ramorum leaf blight symptoms on California laurel |
| 5028042 |
sudden oak death |
Phytophthora ramorum |
|
| 5028039 |
sudden oak death |
Phytophthora ramorum |
|
| 5028031 |
sudden oak death |
Phytophthora ramorum |
|
| 5028036 |
sudden oak death |
Phytophthora ramorum |
|
| 5028038 |
sudden oak death |
Phytophthora ramorum |
|
| 5028044 |
sudden oak death |
Phytophthora ramorum |
|
| 5028034 |
sudden oak death |
Phytophthora ramorum |
|
| 5028041 |
sudden oak death |
Phytophthora ramorum |
|
| 5028043 |
sudden oak death |
Phytophthora ramorum |
|
| 5028029 |
sudden oak death |
Phytophthora ramorum |
|
| 5028033 |
sudden oak death |
Phytophthora ramorum |
|
| 5028032 |
sudden oak death |
Phytophthora ramorum |
|
| 5027096 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
|
| 5027097 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
Thin crowns, dieback and mortality caused by the ash yellows phytoplasma |
| 5029008 |
Dutch elm disease |
Ophiostoma ulmi |
Early wilt symptoms of Dutch elm disease. |
| 5029009 |
Dutch elm disease |
Ophiostoma ulmi |
discoloration in wood; Vascular streaks caused by Ophiostoma ulmi in elm wood. |
| 1427067 |
sudden oak death |
Phytophthora ramorum |
bleeding canker |
| 3036033 |
oak wilt |
Ceratocystis fagacearum |
oak wilt at edge of woodland St. Paul, MN |
| 3036021 |
mimosa wilt |
Fusarium oxysporum f.sp. perniciosum |
bleeding canker |
| 3036030 |
mimosa wilt |
Fusarium oxysporum f.sp. perniciosum |
leaf symptoms |
| 3036031 |
mimosa wilt |
Fusarium oxysporum f.sp. perniciosum |
vascular streaking |
| 3036044 |
Dutch elm disease |
Ophiostoma ulmi |
Accumulated wood in firewood cut area DED Atlanta |
| 3036032 |
Verticillium wilt |
Verticillium albo atrum |
vascular streaking |
| 3036029 |
Verticillium wilt |
Verticillium albo atrum |
vascular streaking - maple |
| 5032025 |
oak wilt |
Ceratocystis fagacearum |
|
| 5042040 |
oak wilt |
Ceratocystis fagacearum |
vibratory plow line; low impact |
| 5046053 |
sudden oak death |
Phytophthora ramorum |
infected hillside |
| 5041046 |
sudden oak death |
Phytophthora ramorum |
|
| 5041045 |
sudden oak death |
Phytophthora ramorum |
|
| 5041048 |
sudden oak death |
Phytophthora ramorum |
exposed canker |
| 5041033 |
sudden oak death |
Phytophthora ramorum |
bleeding discoloration and cracks |
| 5041037 |
sudden oak death |
Phytophthora ramorum |
bleeding cracks |
| 5041039 |
sudden oak death |
Phytophthora ramorum |
bleeding symptom |
| 5041047 |
sudden oak death |
Phytophthora ramorum |
bleeding cracks |
| 5041049 |
sudden oak death |
Phytophthora ramorum |
long drips on trunk |
| 5046061 |
sudden oak death |
Phytophthora ramorum |
|
| 5041038 |
sudden oak death |
Phytophthora ramorum |
|
| 5041050 |
sudden oak death |
Phytophthora ramorum |
|
| 5041035 |
sudden oak death |
Phytophthora ramorum |
bleeding discoloration |
| 5041051 |
sudden oak death |
Phytophthora ramorum |
tree mortality |
| 5041034 |
sudden oak death |
Phytophthora ramorum |
bleeding discoloration and cracks |
| 5041036 |
sudden oak death |
Phytophthora ramorum |
bleeding and cracking symptoms |
| 5039097 |
oak wilt |
Ceratocystis fagacearum |
aerial photo- small pocket of wilt |
| 5040028 |
oak wilt |
Ceratocystis fagacearum |
chopping to check the cambium |
| 5035040 |
sudden oak death |
Phytophthora ramorum |
|
| 5035037 |
sudden oak death |
Phytophthora ramorum |
|
| 5046017 |
oak wilt |
Ceratocystis fagacearum |
|
| 5039095 |
oak wilt |
Ceratocystis fagacearum |
expanding oak wilt pocket |
| 5040024 |
oak wilt |
Ceratocystis fagacearum |
tree injection |
| 5035038 |
sudden oak death |
Phytophthora ramorum |
|
| 5040017 |
oak wilt |
Ceratocystis fagacearum |
|
| 5040020 |
oak wilt |
Ceratocystis fagacearum |
trencher |
| 5040033 |
oak wilt |
Ceratocystis fagacearum |
|
| 5039099 |
oak wilt |
Ceratocystis fagacearum |
trees in July |
| 5039100 |
oak wilt |
Ceratocystis fagacearum |
same trees in image number 5039099 one month later- August |
| 5040010 |
oak wilt |
Ceratocystis fagacearum |
grafted roots |
| 5040025 |
oak wilt |
Ceratocystis fagacearum |
Alamo fungicide set up |
| 5039098 |
oak wilt |
Ceratocystis fagacearum |
|
| 5039096 |
oak wilt |
Ceratocystis fagacearum |
aerial photo with highlighted pockets of oak wilt |
| 5040027 |
oak wilt |
Ceratocystis fagacearum |
herbicide application |
| 5046003 |
oak wilt |
Ceratocystis fagacearum |
tree with close-up of leaves |
| 5040002 |
oak wilt |
Ceratocystis fagacearum |
crown symptoms |
| 5040023 |
oak wilt |
Ceratocystis fagacearum |
tree injection |
| 5039091 |
Dutch elm disease |
Ophiostoma ulmi |
Graphium-type spores, also know as coremia or synnema, in gallery |
| 5045081 |
oak wilt |
Ceratocystis fagacearum |
|
| 5034086 |
oak wilt |
Ceratocystis fagacearum |
oak wilt billboard |
| 5039083 |
oak wilt |
Ceratocystis fagacearum |
spore mat |
| 5039073 |
oak wilt |
Ceratocystis fagacearum |
oak wilt killed trees behind house |
| 5039081 |
oak wilt |
Ceratocystis fagacearum |
|
| 5039074 |
oak wilt |
Ceratocystis fagacearum |
|
| 5039084 |
oak wilt |
Ceratocystis fagacearum |
sprout symptoms |
| 5039087 |
oak wilt |
Ceratocystis fagacearum |
trench line |
| 5039064 |
oak wilt |
Ceratocystis fagacearum |
crown symptoms |
| 5039071 |
oak wilt |
Ceratocystis fagacearum |
oak wilt investigation, Bob Heyd |
| 5039065 |
oak wilt |
Ceratocystis fagacearum |
crown symptoms and leaf casting |
| 5039070 |
oak wilt |
Ceratocystis fagacearum |
oak wilt injection |
| 5039062 |
oak wilt |
Ceratocystis fagacearum |
control trench |
| 5039089 |
oak wilt |
Ceratocystis fagacearum |
wilting symptoms |
| 5045082 |
oak wilt |
Ceratocystis fagacearum |
oak wilt pocket |
| 5045083 |
oak wilt |
Ceratocystis fagacearum |
|
| 5039079 |
oak wilt |
Ceratocystis fagacearum |
oat wilt pocket in woodlot |
| 5039080 |
oak wilt |
Ceratocystis fagacearum |
leaf symptoms |
| 5039061 |
oak wilt |
Ceratocystis fagacearum |
oak wilt control trench with trencher |
| 5045080 |
oak wilt |
Ceratocystis fagacearum |
crown symptoms |
| 5039063 |
oak wilt |
Ceratocystis fagacearum |
crack in bark |
| 5044024 |
sudden oak death |
Phytophthora ramorum |
ooze |
| 5055016 |
oak wilt |
Ceratocystis fagacearum |
|
| 5049071 |
chestnut blight or canker |
Cryphonectria parasitica |
epicormic sprouts |
| 5049072 |
chestnut blight or canker |
Cryphonectria parasitica |
hypovirulence treatment; 06-01-2005 |
| 5032045 |
Verticillium wilts |
Verticillium spp. |
|
| 5037026 |
Verticillium wilts |
Verticillium spp. |
|
| 5032044 |
Verticillium wilts |
Verticillium spp. |
|
| 1427078 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 1427079 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 5042099 |
blue stain |
Ceratocystis tenella |
|
| 5050040 |
chestnut blight or canker |
Cryphonectria parasitica |
|
| 5050042 |
chestnut blight or canker |
Cryphonectria parasitica |
|
| 5049069 |
chestnut blight or canker |
Cryphonectria parasitica |
|
| 5049070 |
chestnut blight or canker |
Cryphonectria parasitica |
|
| 5050041 |
chestnut blight or canker |
Cryphonectria parasitica |
|
| 5033075 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 5033082 |
Dutch elm disease |
Ophiostoma ulmi |
branch symptoms |
| 5033084 |
Dutch elm disease |
Ophiostoma ulmi |
crown symptoms |
| 5038044 |
Dutch elm disease |
Ophiostoma ulmi |
crown symptoms |
| 5033081 |
Dutch elm disease |
Ophiostoma ulmi |
crown symptoms |
| 5033083 |
Dutch elm disease |
Ophiostoma ulmi |
crown symptoms |
| 5033085 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 5038038 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 5038015 |
oak wilt |
Ceratocystis fagacearum |
staining in oak |
| 5043018 |
sudden oak death |
Phytophthora ramorum |
|
| 5043031 |
sudden oak death |
Phytophthora ramorum |
|
| 5043021 |
sudden oak death |
Phytophthora ramorum |
|
| 5043019 |
sudden oak death |
Phytophthora ramorum |
|
| 5043022 |
sudden oak death |
Phytophthora ramorum |
|
| 5043041 |
sudden oak death |
Phytophthora ramorum |
|
| 5038014 |
oak wilt |
Ceratocystis fagacearum |
|
| 5038006 |
sudden oak death |
Phytophthora ramorum |
|
| 5038013 |
oak wilt |
Ceratocystis fagacearum |
Chalara anamorph |
| 5037070 |
Dutch elm disease |
Ophiostoma ulmi |
American elm killed by Dutch elm disease |
| 2139062 |
black stain root disease |
Ophiostoma wageneri |
|
| 1241696 |
black stain root disease |
Ophiostoma wageneri |
Blackstain pattern in wood. Blackstain in pinon sapwood just under the cambium. |
| 1467018 |
black stain root disease |
Ophiostoma wageneri |
|
| 1467160 |
black stain root disease |
Ophiostoma wageneri |
hyphae |
| 1467159 |
black stain root disease |
Ophiostoma wageneri |
vascular discoloration |
| 1467157 |
black stain root disease |
Ophiostoma wageneri |
vascular discoloration |
| 1467156 |
black stain root disease |
Ophiostoma wageneri |
|
| 1427097 |
sudden oak death |
Phytophthora ramorum |
|
| 1396132 |
sapstreak disease of sugar maple |
Ceratocystis coerulescens |
|
| 1396146 |
chestnut blight or canker |
Cryphonectria parasitica |
dead tree, picture taken 1943 |
| 1400111 |
chestnut blight or canker |
Cryphonectria parasitica |
orange colored stroma of cryphonectria on main stem around base of dead branch. |
| 1400174 |
Dutch elm disease |
Ophiostoma ulmi |
American elm tree removal |
| 1427111 |
sudden oak death |
Phytophthora ramorum |
This leaf was confirmed as positive for P. ramorum by Jenny Davidson. |
| 1427058 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 1427059 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 1427061 |
sudden oak death |
Phytophthora ramorum |
Bleeding from P. ramorum canker on coast live oak. |
| 1427055 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 1427082 |
sudden oak death |
Phytophthora ramorum |
Coast live oak mortality at China Camp State Park, CA. |
| 1427100 |
sudden oak death |
Phytophthora ramorum |
Oak firewood for sale in Santa Clara, CA. |
| 1427084 |
sudden oak death |
Phytophthora ramorum |
Symptoms of P. ramorum on huckleberry. |
| 1427057 |
sudden oak death |
Phytophthora ramorum |
Cankers and zone lines on coast live oak at China Camp State Park in California. |
| 1427088 |
sudden oak death |
Phytophthora ramorum |
P. ramorum symptoms on Rhododendron. Upper leaf was confirmed as infected by Jenny Davidson. |
| 1427056 |
sudden oak death |
Phytophthora ramorum |
Zone lines of P. ramorum on coast live oak. |
| 1427029 |
sudden oak death |
Phytophthora ramorum |
Jennifer Juzwik in the foreground.; China Camp State Park, California |
| 1427060 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 1427076 |
sudden oak death |
Phytophthora ramorum |
Coast live oak dying from P. ramorum infection. |
| 1427104 |
sudden oak death |
Phytophthora ramorum |
Zone lines of P. ramorum on coast live oak. |
| 1427108 |
sudden oak death |
Phytophthora ramorum |
Oak firewood for sale in Santa Clara, CA |
| 1427106 |
sudden oak death |
Phytophthora ramorum |
Zone lines of P. ramorum on coast live oak. |
| 1427085 |
sudden oak death |
Phytophthora ramorum |
Bleeding on bark surface of coast live oak, caused by P. ramorum. |
| 1427087 |
sudden oak death |
Phytophthora ramorum |
P. ramorum symptoms on Rhododendron. Leaf was confirmed as infected with P. ramorum by Jenny Davidson. |
| 1301040 |
oak wilt |
Ceratocystis fagacearum |
Vibratory plow used for disruption of root grafts to control oak wilt. |
| 1241697 |
black stain root disease |
Ophiostoma wageneri |
Blackstain pattern in wood. Stain follows annual rings and is restricted to sapwood. |
| 1241695 |
black stain root disease |
Ophiostoma wageneri |
Pinon pines killed by blackstain root disease. |
| 1427025 |
sudden oak death |
Phytophthora ramorum |
China Camp State Park, California |
| 1427032 |
sudden oak death |
Phytophthora ramorum |
zone lines |
| 1427024 |
sudden oak death |
Phytophthora ramorum |
China Camp State Park, California |
| 1427026 |
sudden oak death |
Phytophthora ramorum |
China Camp State Park, California |
| 1427063 |
sudden oak death |
Phytophthora ramorum |
Showing Hypoxylon thouarsianum, a sapwood decay fungus that is also commonly isolated from Sudden Oak Death - affected oak trees, although it is also found on trees not affected by SOD. The presence of the half-dome-shaped fruiting bodies are indicative of advanced stages of SOD. Newly formed fruiting bodies are olive greenish or shiny black and release powdery green spores upon contact. Older fruiting bodies are dull black. |
| 1427031 |
sudden oak death |
Phytophthora ramorum |
zone lines |
| 1427007 |
sudden oak death |
Phytophthora ramorum |
|
| 1427027 |
sudden oak death |
Phytophthora ramorum |
China Camp State Park, California |
| 1427062 |
sudden oak death |
Phytophthora ramorum |
Showing Hypoxylon thouarsianum, a sapwood decay fungus that is also commonly isolated from Sudden Oak Death - affected oak trees, although it is also found on trees not affected by SOD. The presence of the half-dome-shaped fruiting bodies are indicative of advanced stages of SOD. Newly formed fruiting bodies are olive greenish or shiny black and release powdery green spores upon contact. Older fruiting bodies are dull black. |
| 1427008 |
sudden oak death |
Phytophthora ramorum |
|
| 1427009 |
sudden oak death |
Phytophthora ramorum |
|
| 3066036 |
oak wilt |
Ceratocystis fagacearum |
transmission is mainly through root grafts |
| 2251099 |
Verticillium wilt |
Verticillium albo atrum |
crown with wilt symptoms |
| 2252008 |
oak wilt |
Ceratocystis fagacearum |
bark crack over fungal mat |
| 2252009 |
oak wilt |
Ceratocystis fagacearum |
fungal mat |
| 2252005 |
oak wilt |
Ceratocystis fagacearum |
vascular streaking |
| 2250055 |
black stain root disease |
Ophiostoma wageneri |
stained wood in roots
planted trees |
| 0488098 |
trunk rot |
Ustulina deusta |
on oak |
| 0590013 |
chestnut blight or canker |
Cryphonectria parasitica |
canker |
| 0488108 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 0355037 |
Verticillium wilts |
Verticillium spp. |
streaking on maple branch with bark removed |
| 0355038 |
oak wilt |
Ceratocystis fagacearum |
leaf symptoms |
| 0355034 |
mimosa wilt |
Fusarium oxysporum f.sp. perniciosum |
discoloration in stumps |
| 0355035 |
mimosa wilt |
Fusarium oxysporum f.sp. perniciosum |
wilt symptoms |
