white pine blister rust
Cronartium ribicola J. C. Fisch.

Narrow Results by:

Image Specific Filters:

  1. Descriptor:           (show all)

    Symptoms (100)
    Sign (56)
    N/A (18)
    Fruiting Bodies (10)
    Research (10)

  1. Commodity:         (show all)

    Conifer (186)
    Minor Fruits (14)
    Miscellaneous Forestry (10)
    Understory and Rangeland Plants (6)
    Shrubs (2)

Gender:

Female (1)

Image Setting:

Field (117)
Laboratory (29)
Museum (4)
Illustration (1)

  1. View:                     

    Dorsal / Abaxial / Back (1)
    Close-up (1)

Person in Image:

Yes (3)

  1. Country:                

    United States (200)
    Czechia (7)
    Slovakia (4)

  1. Author:                  (show all)

    Joseph O'Brien (73)
    USDA Forest Service - Ogden Archive (49)
    Bruce Watt (15)
    Minnesota Department of Natural Resources Archive (11)
    Robert L. Anderson (8)

Sizes Available:

5 sizes(197)
4 sizes(13)
3 sizes(1)

Orientation:

Landscape (146)
Portrait (65)

first prev Page: next last Display:

Image Descriptor Description
5490476 Symptoms Infected leaf top side. Odd line pattern may have other abiotic cause. 
5490475 Symptoms Symptomatic infected leaf underside
5490474 Sign Uredinia on leaf underside (few telial horns present)
5490473 Sexual Spore Teliospores
5490471 Asexual Spore Urediniospores
5490472 Asexual Spore Urediniospore showing ornamentation
5490470 Fruiting Bodies Vertical section of uredinia
5490469 Fruiting Bodies Vertical section of uredinium
5490468 Sexual Spore Teliospores
5490467 Asexual Spore United teliospores which make up the telial horn
5490466 Fruiting Bodies Base of telia with telial horns emerging
5490465 Sign Pale brown telial horns growing from leaf underside. Yellow is from urediniospores.
5490464 Sign Pale brown telial horns growing from leaf underside. Bright yellow is from urediniospores.
5490463 Fruiting Bodies Pale brown telial horns growing from leaf underside. Bright yellow is from urediniospores.
5490462 Fruiting Bodies Pale brown telial horns growing from leaf underside. Bright yellow is from urediniospores.
1467417 Sexual Spore teliospores germinating to form basidiospores
1593052 Symptoms Branch flag
1467412 Infestation
2250094 Infestation infested stand
1172029 Sign Blister rust sporulating
0355062 Symptoms canker growing from branch to main stem
1371055 Sign Cushions under the bark early in spring. Banská Štiavnica, Slovakia
2139076 Symptoms
1442264 Symptoms Stem swelling. July 1974
4213030 Symptoms flagged branch
1457022 Sign Aecial spore stage of white pine blister rust on main stem of a young tree.
1467423 Symptoms red spot race; pseudosclerotium spot
1467446 Symptoms corking out
4544088 Sign
1301048 Fruiting Bodies Aecial spore stage of white pine blister rust on main stem of a sapling.
4213031 Symptoms young canker
4213032 Symptoms close-up view of canker margin
4213033 Symptoms canker showing typical discoloration on young stem
1457021 Symptoms Main stem canker girdling the main stem of a young tree.
5061062 Symptoms Early upper-leaf symptoms of Cronartium ribicola on Ribes.
1457020 Symptoms Fading eastern white pine with a main stem rust canker at the tree base.
4213035 Symptoms canker with aecia and pitch
1301049 Symptoms Dead top in eastern white pine caused by white pine blister rust.
4213034 Symptoms canker chewed by animals
1406267 Symptoms
1406266 Symptoms
4544089 Symptoms
4213037 Symptoms tree with canker and flagged branch
2250090 Infestation infested stand
1467248 Symptoms flagging
1467247 Symptoms
5302004 Research Inoculating white pine with Cronartium ribicola in the lab
5302005 Research Inoculating white pine with Cronartium ribicola in the lab
5302009 Research Symptomatic white pine seedlings being screened for blister rust resistance
5302008 Research Greenhouse trials for white pine blister rust screening
5061050 Improper technique A "pruned" white pine, probably used as a demonstration for techniques on how to prune for control of white pine blister rust.
5061087 Symptoms White pine top kill
5061089 Symptoms Small "flagged branches"
5061090 Symptoms An infected branch flag in a large white pine
5061091 Symptoms Small branch infection
5061092 Symptoms Small branch infection
5061093 Symptoms Several small branch infections on a single tree
5061094 Symptoms Small branch infection
5061060 Symptoms Early symptoms of white pine blister rust on the main bole of a sapling.
2634081 Symptoms close-up view of canker margin
1467254 Symptoms
4213040 Symptoms tree with dead top
1467255 Symptoms rust needle spots
1442043 Symptoms flagging
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.
1241717 Symptoms Wetting branch cankers can make it easier to see the discoloration from a canker.
1241714 Symptoms Rust causes orange or yellow discoloration of thin bark of young trees.
1241713 Symptoms Stem cankers eventually girdle and kill trees.
1467415 Sign urediospores on Ribes spp.
1241718 Symptoms Branch flagging occurs after the canker has girdled the branch.
0355052 Sign Uredia stage on alternate host Ribes
1467253 Symptoms canker with route of entry (needle) shown
1467445 Feature(s) hypersensative response to infection
5040085 Symptoms Rust lesions (uredinia) on Ribes
5056094 Research White pine blister rust inoculation trials at U.S. Forest Service Oconto River Seed Orchard. Ribes plants used for cultivating Cronartium spores.
5056088 Research White pine blister rust inoculation trials at U.S. Forest Service Oconto River Seed Orchard
5056089 Research White pine blister rust inoculation trials at U.S. Forest Service Oconto River Seed Orchard
5056090 Research White pine blister rust inoculation trials at U.S. Forest Service Oconto River Seed Orchard
5042098 Sign Aecial sacs of Cronartium ribicola on eastern white pine.
5048054 Improper technique Overzealous pruning for white pine blister rust control.  Person in image: Mike Ostry
5032061 Symptoms A white pine blister rust canker on a young white pine.
5032066 Symptoms Top kill in white pine caused by white pine blister rust.
4544090 Sign uredinia and developing telia of on the underside of a Ribes leaf
5366979 Sign Currant leaf showing signs of white pine blister rust (Cronartium ribicola).
5366982 Sign Signs of white pine blister rust (Cronartium ribicola) on the trunk of a sugar pine.  
5366981 Sign Signs of white pine blister rust (Cronartium ribicola) on a branch of limber pine.
5366980 Sign Signs of white pine blister rust (Cronartium ribicola) on a branch of limber pine.
5362139 Sign Close-up view of the aecia of white pine blister rust (Cronartium ribicola) on the branch of a pine tree.
5362137 Sign Aecia of white pine blister rust (Cronartium ribicola) on the trunk of a pine tree.
1509089 Symptoms White pine blister rust symptoms
1501087 Symptoms White pine blister rust
1501088 Symptoms White pine blister rust
1501090 Sign White pine blister rust
1501093 Sign White pine blister rust
1501091 Symptoms White pine blister rust
1501086 Symptoms White pine blister rust; Ribes
3036020 Symptoms canker on main stem, VA
3036011 Symptoms Aecial stage on branch
3036010 Symptoms ribes
3035085 Research test outplantings of white pine, Dorena OR
5032048 Symptoms rust cankers
5032051 Symptoms
5032052 Symptoms
5032062 Symptoms copious resin flow
5032064 Symptoms small branch infection
5032065 Sign telia on Ribes sp.
5047035 Fruiting Bodies aecia
5047036 Fruiting Bodies aecia
5047037 Symptoms canker
5061027 Symptoms
5061029 Sign
5061030 Symptoms
5061031 Symptoms
5061032 Symptoms
5061033 Symptoms
5061036 Symptoms
5061038 Symptoms
5061041 Symptoms
5061042 Symptoms
5061043 Symptoms
5061044 Symptoms
5061046 Display or Sign
5061047 Symptoms
5061048 Symptoms
5061052 Symptoms
5061053 Symptoms
5061054 Symptoms
5061055 Sign on alternate host
5061056 Sign on alternate host
5061057 Sign on alternate host
5061058 Sign on alternate host
5061059 Sign on alternate host
5061063 Symptoms
5061064 Symptoms
5061066 Symptoms
5061067 Symptoms
5061070 Symptoms
5061071 Symptoms
5061075 Symptoms cankers
5061077 Symptoms rust cankers
5061078 Symptoms
5061079 Symptoms rust cankers
5061080 Symptoms rust cankers
5061081 Symptoms rust canker
5061083 Sign
5061084 Sign
5061086 Sign and porcupine damage
2110081 Symptoms canker on the stem base caused by Cronartium ribicola
2110082 Sign aecia on the bark of eastern white pine
2110086 Sign blackcurrant leaves with telia on the underside
2111009 Sign telia on the underside of a blackcurrant leaf; 1999
1467256 Sign
1467259 Sign telial columns
1467416 Sign telial horns
1467414 Infestation alternate host
1467413 Sign aeciospores; usually produced on cankers at least 2 years old; May 1976
1467252 Sign aecia
1467257 Sign uredia on underside of leaves
1467258 Sign telia on underside of leaves
1467419 Sign basidiospore germinating in stomata; 40x with flourescence
1467420 Sign pseudosclerotium; 38um microtome section; red spot color bleached by water
1467421 Symptoms red-green-island race; pseudosclerotium spot
1467422 Symptoms red spot race; pseudosclerotium spot
1467424 Symptoms yellow spot race; pseudosclerotium spot
1467425 Symptoms yellow-green-island race; pseudosclerotium spot
1467426 Symptoms incipient canker
1467427 Sign pycniospores produced 6 months to 3 years later
1467428 Symptoms girdling caused by canker
1467429 phenotypically resistant trees selected from areas of high rust incidence
1467430 pollen to be collected from phenotypically resistant trees in areas of high rust incidence
1467431 pollen to be collected from phenotypically resistant trees in areas of high rust incidence
1467432 female strobili; pollen from male flowers collected from phenotypically resistant trees in areas of high rust incidence for pollenation
1467433 pollen collected from phenotypically resistant trees in areas of high rust incidence; bags applied to prevent insect damage
1467434 pollen collected from phenotypically resistant trees in areas of high rust incidence; bags applied to prevent insect damage
1467435 pollen collected from phenotypically resistant trees in areas of high rust incidence; bags applied to prevent insect damage
1467436 pollen collected from phenotypically resistant trees in areas of high rust incidence; bags applied to prevent insect damage
1467437 pollen collected from phenotypically resistant trees in areas of high rust incidence; bags applied to prevent insect damage
1467438 pollen collected from phenotypically resistant trees in areas of high rust incidence; cones collected and placed in greenhouse to dry
1467439 pollen collected from phenotypically resistant trees in areas of high rust incidence; seeds from collected cones planted for progeny testing
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
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
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
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
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
1467447 Symptoms premature shedding of infected needles
1467448 Symptoms slow fungus growth and tolerance; basal canker - 20-year-old canker on 21-year-old tree
1467449 commercial production of resistant seed in Moscow breeding arboretum
1467450 Infestation high mortality
1467451 after heavy mortality; ready for regeneration of naturally selected seedlings
1457019 Sign Aecial spore stage of white pine blister rust on main stem of a small tree.
1388001 Management Pathological pruning. Northern Minnesota
1271005 Fruiting Bodies Aecia on bole/truck. Mount Hood National Forest. Northern Oregon Cascades.
1371056 Sign Cushions under the bark early in spring. Banská Štiavnica, Slovakia
1371057 Trap(s) Tree dieback and resin flow from the bark. Banská Štiavnica, Slovakia
1371058 Sign Cushions under the bark and canker. Banská Štiavnica, Slovakia
1301050 Symptoms Ueredinial stage.
1241719 Symptoms Spindle-shaped swelling is an early indication of branch infections. This infection is also sporulating.
1241720 Fruiting Bodies Spores are produced within the blisters.
1241715 Sign Rust sporulating on the bole of an infected tree.
1241716 Symptoms Basal canker.
1171042 Sign Blister rust flagging branch
1442042 Sign
4213038 Sign larger tree with stem canker showing characteristic pitch
4213039 Sign upper half of tree is dead
4213036 Sign aecia
2250089 Research ribes/inocolum
2250091 Sign aecia
2250092 Sign aecia
2250093 Sign aecia on white bark pine
0364063 Sign Pycnia
0364064 Sign Aecia

Page: