Observation 132802: Aspergillus carbonarius (Bainier) Thom
When: 2009-06-01
No herbarium specimen

Notes: Aspergillus carbonarius worldwide is the main cause of ochratoxin contamination of wine. All isolates of A. carbonarius make ochratoxin. Few isolates of closely related A. niger are toxigenic.

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Aspergillus carbonarius worldwide is the main cause of ochratoxin contamination of wine. All isolates of A. carbonarius make ochratoxin. Few isolates of closely related A. niger are toxigenic.
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84% (1)
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Recognized by sight: Infected grapes were found at the USDA Wolfskill Germplasm Repository near Winters, Ca. The spores were transferred to agar media plates for colony growth.
Used references: The genus Aspergillus by Rapier KB, Fennel DI. and
Diagnostic tools to identify black aspergilli R.A. Samson, et al Studies in Mycology 59: 129–145. 2007 at http://www.studiesinmycology.org/content/59/1/129.full.pdf
Based on microscopic features: A. carbonarius spore size 7 to 9um
Similar appearing A. niger spores are smaller 3.5 to 5um

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2013-05-01 13:34:16 MST (-0700)
Last modified: 2013-05-02 00:07:46 MST (-0700)
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