chestnut blight or canker
U.S. Nativity:
Habit: Stem Decays and Cankers Vascular Wilts
Cryphonectria parasitica (Murrill) M.E. Barr

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Taxonomic Rank: Sordariomycetes: Diaporthales: Incertae sedis

Identification, Biology, Control and Management Resources

Selected Images from Invasive.orgView All Images at Invasive.org


Symptoms; Chestnut blight - stem canker
USDA Forest Service - Region 8 - Southern Archive, USDA Forest Service, Bugwood.org
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Symptoms; Sunken area on bark of a young chestnut tree resulting from infection by Cryphonectria parasitica. Note adventitious shoots arising below the dead patch.
Ministry of Agriculture and Regional Development Archive, Ministry of Agriculture and Regional Development, Bugwood.org
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Symptoms;
Andrej Kunca, National Forest Centre - Slovakia, Bugwood.org
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Sign; Characteristic mycelial fan of Cryphonectria parasitica in the inner bark of a chestnut tree.
Ministry of Agriculture and Regional Development Archive, Ministry of Agriculture and Regional Development, Bugwood.org
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Symptoms;
Andrej Kunca, National Forest Centre - Slovakia, Bugwood.org
Additional Resolutions & Image Usage

Culture;
Joseph O'Brien, USDA Forest Service, Bugwood.org
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Symptoms; diseased chestnut
John H. Ghent, USDA Forest Service, Bugwood.org
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Sign; Orange stroma of cryphonectria emerging through bark of canker.
Linda Haugen, USDA Forest Service, Bugwood.org
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Symptoms; Tree dieback. July 11, 2002
Andrej Kunca, National Forest Centre - Slovakia, Bugwood.org
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Symptoms; Bark necrosis. July 11, 2002
Andrej Kunca, National Forest Centre - Slovakia, Bugwood.org
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Sign; Anamorph fibers. July 11, 2002
Andrej Kunca, National Forest Centre - Slovakia, Bugwood.org
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Symptoms;
Andrej Kunca, National Forest Centre - Slovakia, Bugwood.org
Additional Resolutions & Image Usage

EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org
 


State(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.

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