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The sexual state of Aspergillus parasiticus

     National Peanut Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Dawson, Georgia 39842

Jorge H. Ramirez-Prado ²
Ignazio Carbone

     Center for Integrated Fungal Research, Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina 27695

The sexual state of Aspergillus parasiticus, a potent aflatoxin-producing fungus within section Flavi, is described. The production of nonostiolate ascocarps surrounded by a separate peridium within the stroma places the teleomorph in genus Petromyces. Petromyces parasiticus differs from P. alliaceus by its larger ascospores with finely tuberculate ornamentation. The anamorphic Aspergillus states of the two species differ in conidial head color and microscopic characters.

Key words: Aspergillus alliaceus, heterothallism, Petromyces alliaceus, Petromyces parasiticus, sexual reproduction, Trichocomaceae

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