chestnut blight or canker
Cryphonectria parasitica (Murrill) M.E. Barr
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| Taxonomic Rank: Sordariomycetes > Diaporthales > Incertae sedis > Cryphonectria |
| Taxonomic Synonym(s): Diaporthe parasitica Murrill Endothia parasitica (Murrill) P.J. anderson & H.W. Anderson |
| Category: Diseases: Stem Decays and Cankers |
| Category: Diseases: Vascular Wilts |
156 Records | View Thumbnails |
| Image | Descriptor | Description |
|---|---|---|
| 0454002 | Symptoms | Sunken area on bark of a young chestnut tree resulting from infection by Cryphonectria parasitica. Note adventitious shoots arising below the dead patch. |
| 0454003 | Sign | Characteristic mycelial fan of Cryphonectria parasitica in the inner bark of a chestnut tree. |
| 0454025 | Symptoms | Long, orange-yellow tendrils of Cryphonectria parasitica pycnidiospores exuding from pycnidia on chestnut tree bark. |
| 0454026 | Symptoms | Swelling and bark cracking on 13-year-old chestnut tree caused by Cryphonectria parasitica. |
| 0454041 | Fruiting Bodies | Orange-yellow pycnidia of Cryphonectria parasitica on chestnut tree bark. |
| 0488100 | Symptoms | diseased chestnut |
| 0590013 | Symptoms | canker |
| 1396146 | Infestation | dead tree, picture taken 1943 |
| 1400111 | Sign | orange colored stroma of cryphonectria on main stem around base of dead branch. |
| 1400112 | Sign | Lethal canker on main stem, with bark discoloration and orange stroma. |
| 1400113 | Sign | Canker on main stem; note dead branch in center of canker, discolored bark, and orange bumps (stroma) breaking through killed bark. |
| 1400114 | Sign | Orange stroma of cryphonectria emerging through bark of canker. |
| 1415075 | Symptoms | Tree dieback. July 11, 2002 |
| 1415076 | Symptoms | Tree dieback. July 11, 2002 |
| 1415077 | Symptoms | Tree dieback. July 11, 2002 |
| 1415079 | Symptoms | Branch dieback. July 11, 2002 |
| 1415081 | Symptoms | Bark necrosis. July 11, 2002 |
| 1415082 | Symptoms | July 11, 2002 |
| 1415083 | Sign | Anamorph fibers. July 11, 2002 |
| 1415140 | Sign | Mycelial fans under the bark. Aug. 12, 2002 |
| 1506071 | Symptoms | Chestnut blight - branch symptoms |
| 1506072 | Symptoms | Chestnut blight - stem canker |
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| 5049007 | Research | Research activities concerning chestnut blight. Person in image: Bill MacDonald |
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| 5049071 | Symptoms | epicormic sprouts |
| 5049072 | Control | hypovirulence treatment; 06-01-2005 |
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| 5050042 | Culture | |
| 5297092 | Research | Experimental treatment of chestnut blight cankers in Wisconsin. Person in image:Linda Haugen |
| 5297093 | Research | Field crew doing chestnut blight research in Wisconsin. |
| 5297094 | Research | Chestnut blight cankers experimentally treated with hypovirulent strain of the pathogen. |
| 5297095 | Research | Chestnut blight cankers experimentally treated with a hypovirulent strain of the pathogen. |
| 5297096 | Research | Chestnut blight research in Wisconsin. Person in image: Barb Spears |
| 5297097 | Research | Chestnut blight cankers experimentally treated with a hypovirulent strain of the pathogen. |
| 5297098 | Research | Farm site in Wisconsin where chestnut blight cankers were experimentally treated with a hypovirulent strain of the pathogen. |
| 5297100 | People | Field crew doing research on chestnut blight in Wisconsin. |
| 5298001 | Research | Field crew doing research on chestnut blight in Wisconsin. |
| 5298002 | Research | Field crew doing research on chestnut blight in Wisconsin. |
| 5298003 | Research | Field crew doing research on chestnut blight in Wisconsin. |
| 5298006 | Research | Field crew doing research on chestnut blight in Wisconsin. |
| 5298007 | Research | Field crew doing research on chestnut blight in Wisconsin. |
| 5298008 | Research | Field crew doing research on chestnut blight in Wisconsin. |
| 5298009 | Research | Tree climbing field crew doing research on chestnut blight in Wisconsin. |
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