| Image |
Descriptor |
Description |
Photographer |
| 1467417 |
Diagram or Graphic |
teliospores germinating to form basidiospores |
USDA Forest Service - Ogden Archive |
| 5061046 |
Display or Sign |
|
Joseph O'Brien |
| 1467445 |
Feature(s) |
hypersensative response to infection |
USDA Forest Service - Ogden Archive |
| 5047035 |
Fruiting Bodies |
aecia |
Joseph O'Brien |
| 5047036 |
Fruiting Bodies |
aecia |
Joseph O'Brien |
| 1241720 |
Fruiting Bodies |
Spores are produced within the blisters. |
USDA Forest Service Archive |
| 1271005 |
Fruiting Bodies |
Aecia on bole/truck. Mount Hood National Forest. Northern Oregon Cascades. |
Diane Hildebrand |
| 1301048 |
Fruiting Bodies |
Aecial spore stage of white pine blister rust on main stem of a sapling. |
Joseph O'Brien |
| 5048054 |
Improper technique |
Overzealous pruning for white pine blister rust control. Person in image: Mike Ostry |
Joseph O'Brien |
| 1467412 |
Infestation |
|
USDA Forest Service - Ogden Archive |
| 1467414 |
Infestation |
alternate host |
USDA Forest Service - Ogden Archive |
| 1467450 |
Infestation |
high mortality |
USDA Forest Service - Ogden Archive |
| 2250090 |
Infestation |
infested stand |
Ralph Williams |
| 2250094 |
Infestation |
infested stand |
USDA Forest Service Archive |
| 1388001 |
Management |
Pathological pruning. Northern Minnesota |
Steven Katovich |
| 1467429 |
|
phenotypically resistant trees selected from areas of high rust incidence |
USDA Forest Service - Ogden Archive |
| 1467430 |
|
pollen to be collected from phenotypically resistant trees in areas of high rust incidence |
USDA Forest Service - Ogden Archive |
| 1467431 |
|
pollen to be collected from phenotypically resistant trees in areas of high rust incidence |
USDA Forest Service - Ogden Archive |
| 1467432 |
|
female strobili; pollen from male flowers collected from phenotypically resistant trees in areas of high rust incidence for pollenation |
USDA Forest Service - Ogden Archive |
| 1467433 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; bags applied to prevent insect damage |
USDA Forest Service - Ogden Archive |
| 1467434 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; bags applied to prevent insect damage |
USDA Forest Service - Ogden Archive |
| 1467435 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; bags applied to prevent insect damage |
USDA Forest Service - Ogden Archive |
| 1467436 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; bags applied to prevent insect damage |
USDA Forest Service - Ogden Archive |
| 1467437 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; bags applied to prevent insect damage |
USDA Forest Service - Ogden Archive |
| 1467438 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; cones collected and placed in greenhouse to dry |
USDA Forest Service - Ogden Archive |
| 1467439 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; seeds from collected cones planted for progeny testing |
USDA Forest Service - Ogden Archive |
| 1467440 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; seeds from collected cones planted for progeny testing; tents constructed for artificial inoculation |
USDA Forest Service - Ogden Archive |
| 1467441 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; seeds from collected cones planted for progeny testing; tents used for artificial inoculation; infected wild Ribes spp. leaves placed over seedlings |
USDA Forest Service - Ogden Archive |
| 1467442 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; seeds from collected cones planted for progeny testing; tents used for artificial inoculation; infected wild Ribes spp. leaves placed over seedlings; 100% relative humidity fo 4 days |
USDA Forest Service - Ogden Archive |
| 1467443 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; seeds from collected cones planted for progeny testing; tents used for artificial inoculation; infected wild Ribes spp. leaves placed over seedlings; 100% relative humidity for 4 days |
USDA Forest Service - Ogden Archive |
| 1467444 |
|
pollen collected from phenotypically resistant trees in areas of high rust incidence; seeds from collected cones planted for progeny testing; tents used for artificial inoculation; infected wild Ribes spp. leaves placed over seedlings; inspection for infections |
USDA Forest Service - Ogden Archive |
| 1467451 |
|
after heavy mortality; ready for regeneration of naturally selected seedlings |
USDA Forest Service - Ogden Archive |
| 1467449 |
|
commercial production of resistant seed in Moscow breeding arboretum |
USDA Forest Service - Ogden Archive |
| 3035085 |
Research |
test outplantings of white pine, Dorena OR |
Robert L. Anderson |
| 2250089 |
Research |
ribes/inocolum |
USDA Forest Service Archive |
| 5042098 |
Sign |
Aecial sacs of Cronartium ribicola on eastern white pine. |
Joseph O'Brien |
| 4544088 |
Sign |
|
Petr Kapitola |
| 5032065 |
Sign |
telia on Ribes sp. |
Joseph O'Brien |
| 4213036 |
Sign |
aecia |
Minnesota Department of Natural Resources Archive |
| 4213038 |
Sign |
larger tree with stem canker showing characteristic pitch |
Minnesota Department of Natural Resources Archive |
| 4213039 |
Sign |
upper half of tree is dead |
Minnesota Department of Natural Resources Archive |
| 4544090 |
Sign |
uredinia and developing telia of on the underside of a Ribes leaf |
Petr Kapitola |
| 5061055 |
Sign |
on alternate host |
Joseph O'Brien |
| 5061056 |
Sign |
on alternate host |
Joseph O'Brien |
| 5061057 |
Sign |
on alternate host |
Joseph O'Brien |
| 5061058 |
Sign |
on alternate host |
Joseph O'Brien |
| 5061059 |
Sign |
on alternate host |
Joseph O'Brien |
| 1501093 |
Sign |
White pine blister rust |
USDA Forest Service - Region 8 Archive |
| 2250091 |
Sign |
aecia |
USDA Forest Service Archive |
| 2250092 |
Sign |
aecia |
USDA Forest Service Archive |
| 2250093 |
Sign |
aecia on white bark pine |
USDA Forest Service Archive |
| 1371058 |
Sign |
Cushions under the bark and canker. Banská Štiavnica, Slovakia |
Andrej Kunca |
| 1501090 |
Sign |
White pine blister rust |
USDA Forest Service - Region 8 Archive |
| 2110082 |
Sign |
aecia on the bark of eastern white pine |
Frantisek Soukup |
| 2110086 |
Sign |
blackcurrant leaves with telia on the underside |
Petr Kapitola |
| 2111009 |
Sign |
telia on the underside of a blackcurrant leaf; 1999 |
Petr Kapitola |
| 1467415 |
Sign |
urediospores on Ribes spp. |
USDA Forest Service - Ogden Archive |
| 1467416 |
Sign |
telial horns |
USDA Forest Service - Ogden Archive |
| 1467427 |
Sign |
pycniospores produced 6 months to 3 years later |
USDA Forest Service - Ogden Archive |
| 1467413 |
Sign |
aeciospores; usually produced on cankers at least 2 years old; May 1976 |
USDA Forest Service - Ogden Archive |
| 1457022 |
Sign |
Aecial spore stage of white pine blister rust on main stem of a young tree. |
Steven Katovich |
| 1467419 |
Sign |
basidiospore germinating in stomata; 40x with flourescence |
USDA Forest Service - Ogden Archive |
| 1467420 |
Sign |
pseudosclerotium; 38um microtome section; red spot color bleached by water |
USDA Forest Service - Ogden Archive |
| 1457019 |
Sign |
Aecial spore stage of white pine blister rust on main stem of a small tree. |
Steven Katovich |
| 1442042 |
Sign |
|
USDA Forest Service - Rocky Mountain Region Archive |
| 1467252 |
Sign |
aecia |
USDA Forest Service - Ogden Archive |
| 1467256 |
Sign |
|
USDA Forest Service - Ogden Archive |
| 1467257 |
Sign |
uredia on underside of leaves |
USDA Forest Service - Ogden Archive |
| 1467258 |
Sign |
telia on underside of leaves |
USDA Forest Service - Ogden Archive |
| 1467259 |
Sign |
telial columns |
USDA Forest Service - Ogden Archive |
| 0355052 |
Sign |
Uredia stage on alternate host Ribes |
Robert L. Anderson |
| 1371055 |
Sign |
Cushions under the bark early in spring. Banská Štiavnica, Slovakia |
Andrej Kunca |
| 1371056 |
Sign |
Cushions under the bark early in spring. Banská Štiavnica, Slovakia |
Andrej Kunca |
| 0364063 |
Sign |
Pycnia |
Robert L. Anderson |
| 0364064 |
Sign |
Aecia |
Robert L. Anderson |
| 1171042 |
Sign |
Blister rust flagging branch |
Chris Schnepf |
| 1172029 |
Sign |
Blister rust sporulating |
Chris Schnepf |
| 1241715 |
Sign |
Rust sporulating on the bole of an infected tree. |
John W. Schwandt |
| 5061029 |
Sign |
|
Joseph O'Brien |
| 5061083 |
Sign |
|
Joseph O'Brien |
| 5061084 |
Sign |
|
Joseph O'Brien |
| 5061086 |
Sign |
and porcupine damage |
Joseph O'Brien |
| 5362137 |
Sign |
Aecia of white pine blister rust (Cronartium ribicola) on the trunk of a pine tree. |
H.J. Larsen |
| 5362139 |
Sign |
Close-up view of the aecia of white pine blister rust (Cronartium ribicola) on the branch of a pine tree. |
H.J. Larsen |
| 5366979 |
Sign |
Currant leaf showing signs of white pine blister rust (Cronartium ribicola). |
Mike Schomaker |
| 5366980 |
Sign |
Signs of white pine blister rust (Cronartium ribicola) on a branch of limber pine. |
William Jacobi |
| 5366981 |
Sign |
Signs of white pine blister rust (Cronartium ribicola) on a branch of limber pine. |
William Jacobi |
| 5366982 |
Sign |
Signs of white pine blister rust (Cronartium ribicola) on the trunk of a sugar pine.
|
William Jacobi |
| 5061030 |
Symptoms |
|
Joseph O'Brien |
| 5061031 |
Symptoms |
|
Joseph O'Brien |
| 5061032 |
Symptoms |
|
Joseph O'Brien |
| 5061033 |
Symptoms |
|
Joseph O'Brien |
| 5061036 |
Symptoms |
|
Joseph O'Brien |
| 5061038 |
Symptoms |
|
Joseph O'Brien |
| 5061041 |
Symptoms |
|
Joseph O'Brien |
| 5061042 |
Symptoms |
|
Joseph O'Brien |
| 5061043 |
Symptoms |
|
Joseph O'Brien |
| 5061044 |
Symptoms |
|
Joseph O'Brien |
| 5061027 |
Symptoms |
|
Joseph O'Brien |
| 5061047 |
Symptoms |
|
Joseph O'Brien |
| 5061048 |
Symptoms |
|
Joseph O'Brien |
| 5061052 |
Symptoms |
|
Joseph O'Brien |
| 5061053 |
Symptoms |
|
Joseph O'Brien |
| 5061054 |
Symptoms |
|
Joseph O'Brien |
| 1241716 |
Symptoms |
Basal canker. |
Susan K. Hagle |
| 1241717 |
Symptoms |
Wetting branch cankers can make it easier to see the discoloration from a canker. |
John W. Schwandt |
| 1241718 |
Symptoms |
Branch flagging occurs after the canker has girdled the branch. |
John W. Schwandt |
| 1241719 |
Symptoms |
Spindle-shaped swelling is an early indication of branch infections. This infection is also sporulating. |
USDA Forest Service Archive |
| 1241713 |
Symptoms |
Stem cankers eventually girdle and kill trees. |
Susan K. Hagle |
| 1241714 |
Symptoms |
Rust causes orange or yellow discoloration of thin bark of young trees. |
USDA Forest Service Archive |
| 0355062 |
Symptoms |
canker growing from branch to main stem |
Robert L. Anderson |
| 1301049 |
Symptoms |
Dead top in eastern white pine caused by white pine blister rust. |
Joseph O'Brien |
| 1301050 |
Symptoms |
Ueredinial stage. |
Joseph O'Brien |
| 1467253 |
Symptoms |
canker with route of entry (needle) shown |
USDA Forest Service - Ogden Archive |
| 1467254 |
Symptoms |
|
USDA Forest Service - Ogden Archive |
| 1467255 |
Symptoms |
rust needle spots |
USDA Forest Service - Ogden Archive |
| 1442043 |
Symptoms |
flagging |
USDA Forest Service - Rocky Mountain Region Archive |
| 1442264 |
Symptoms |
Stem swelling. July 1974 |
USDA Forest Service - Rocky Mountain Region Archive |
| 1457018 |
Symptoms |
Branch flag (infected branch that has died) high in the crown of a large eastern white pine. Rust infections in the upper crowns of trees generally indicate a high local risk for infection. |
Steven Katovich |
| 1457020 |
Symptoms |
Fading eastern white pine with a main stem rust canker at the tree base. |
Steven Katovich |
| 1457021 |
Symptoms |
Main stem canker girdling the main stem of a young tree. |
Steven Katovich |
| 1406266 |
Symptoms |
|
USDA Forest Service - North Central Research Station Archive |
| 1406267 |
Symptoms |
|
USDA Forest Service - North Central Research Station Archive |
| 1467421 |
Symptoms |
red-green-island race; pseudosclerotium spot |
USDA Forest Service - Ogden Archive |
| 1467422 |
Symptoms |
red spot race; pseudosclerotium spot |
USDA Forest Service - Ogden Archive |
| 1467423 |
Symptoms |
red spot race; pseudosclerotium spot |
USDA Forest Service - Ogden Archive |
| 1467424 |
Symptoms |
yellow spot race; pseudosclerotium spot |
USDA Forest Service - Ogden Archive |
| 1467425 |
Symptoms |
yellow-green-island race; pseudosclerotium spot |
USDA Forest Service - Ogden Archive |
| 1467426 |
Symptoms |
incipient canker |
USDA Forest Service - Ogden Archive |
| 1467247 |
Symptoms |
|
USDA Forest Service - Ogden Archive |
| 1467248 |
Symptoms |
flagging |
USDA Forest Service - Ogden Archive |
| 1467428 |
Symptoms |
girdling caused by canker |
USDA Forest Service - Ogden Archive |
| 2139076 |
Symptoms |
|
John Guyon |
| 1501091 |
Symptoms |
White pine blister rust |
USDA Forest Service - Region 8 Archive |
| 1501086 |
Symptoms |
White pine blister rust; Ribes |
USDA Forest Service - Region 8 Archive |
| 1501087 |
Symptoms |
White pine blister rust |
USDA Forest Service - Region 8 Archive |
| 1501088 |
Symptoms |
White pine blister rust |
USDA Forest Service - Region 8 Archive |
| 1467446 |
Symptoms |
corking out |
USDA Forest Service - Ogden Archive |
| 1467447 |
Symptoms |
premature shedding of infected needles |
USDA Forest Service - Ogden Archive |
| 1467448 |
Symptoms |
slow fungus growth and tolerance; basal canker - 20-year-old canker on 21-year-old tree |
USDA Forest Service - Ogden Archive |
| 1509089 |
Symptoms |
White pine blister rust symptoms |
USDA Forest Service - Region 8 Archive |
| 2110081 |
Symptoms |
canker on the stem base caused by Cronartium ribicola |
Frantisek Soukup |
| 2634081 |
Symptoms |
close-up view of canker margin |
USDA Forest Service Archive |
| 3036010 |
Symptoms |
ribes |
Robert L. Anderson |
| 3036011 |
Symptoms |
Aecial stage on branch |
Robert L. Anderson |
| 3036020 |
Symptoms |
canker on main stem, VA |
Robert L. Anderson |
| 4213030 |
Symptoms |
flagged branch |
Minnesota Department of Natural Resources Archive |
| 4213031 |
Symptoms |
young canker |
Minnesota Department of Natural Resources Archive |
| 4213032 |
Symptoms |
close-up view of canker margin |
Minnesota Department of Natural Resources Archive |
| 4213033 |
Symptoms |
canker showing typical discoloration on young stem |
Minnesota Department of Natural Resources Archive |
| 4213034 |
Symptoms |
canker chewed by animals |
Minnesota Department of Natural Resources Archive |
| 4213035 |
Symptoms |
canker with aecia and pitch |
Minnesota Department of Natural Resources Archive |
| 5061063 |
Symptoms |
|
Joseph O'Brien |
| 5061064 |
Symptoms |
|
Joseph O'Brien |
| 5061066 |
Symptoms |
|
Joseph O'Brien |
| 5061067 |
Symptoms |
|
Joseph O'Brien |
| 5061070 |
Symptoms |
|
Joseph O'Brien |
| 5061071 |
Symptoms |
|
Joseph O'Brien |
| 5061075 |
Symptoms |
cankers |
Joseph O'Brien |
| 5061077 |
Symptoms |
rust cankers |
Joseph O'Brien |
| 5061078 |
Symptoms |
|
Joseph O'Brien |
| 5061079 |
Symptoms |
rust cankers |
Joseph O'Brien |
| 5061080 |
Symptoms |
rust cankers |
Joseph O'Brien |
| 5061081 |
Symptoms |
rust canker |
Joseph O'Brien |
| 5032048 |
Symptoms |
rust cankers |
Joseph O'Brien |
| 5032051 |
Symptoms |
|
Joseph O'Brien |
| 5032052 |
Symptoms |
|
Joseph O'Brien |
| 5032061 |
Symptoms |
A white pine blister rust canker on a young white pine. |
Joseph O'Brien |
| 5032062 |
Symptoms |
copious resin flow |
Joseph O'Brien |
| 5032064 |
Symptoms |
small branch infection |
Joseph O'Brien |
| 4213040 |
Symptoms |
tree with dead top |
Minnesota Department of Natural Resources Archive |
| 4213037 |
Symptoms |
tree with canker and flagged branch |
Minnesota Department of Natural Resources Archive |
| 5032066 |
Symptoms |
Top kill in white pine caused by white pine blister rust. |
Joseph O'Brien |
| 4544089 |
Symptoms |
|
Petr Kapitola |
| 5047037 |
Symptoms |
canker |
Joseph O'Brien |
| 1371057 |
Trap(s) |
Tree dieback and resin flow from the bark. Banská Štiavnica, Slovakia |
Andrej Kunca |
