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The sexual state of <I>Aspergillus parasiticus</I>

     ¹ ARS, USDA, Dawson, GA, 39842-0509, United States of America
² Centro de Investigacion Cientifica de Yucatan, Merida, Yucatan, Mexico
³ Dept of Plant Pathology, North Carolina Univ, Box 7567 - Partners II Bldg, Raleigh, NC, 27695-7567, United States

The sexual state of <I>Aspergillus parasiticus</I>, a potent aflatoxin-producing fungus within section <I>Flavi</I>, is described. The production of nonostiolate ascocarps surrounded by a separate peridium within the stroma places the teleomorph in the genus <I>Petromyces</I>. <I>Petromyces parasiticus</I> differs from <I>P. alliaceus</I> by its larger ascospores with finely tuberculate ornamentation. The anamorphic <I>Aspergillus</I> 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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