Affiliation:
1. Department of Botany and Plant Pathology and Department of Animal Science, Purdue University, Lafayette, Indiana 47907
Abstract
One-hundred-and-thirteen isolates of
Fusarium
were tested for their ability to produce zearalenone on autoclaved corn. They belonged to the following species (number of producers per number tested):
F. epispheria
, (0/1);
F. moniliforme
, (0/8);
Gibberella fujikuroi
, (0/3);
F. nivale
, (0/7);
F. oxysporum
, (0/15);
F. roseum
, (31/51);
F. solani
, (0/9);
F. tricinctum
(3/19). The isolates of individual species produced the following amounts of zearalenone per gram of corn: 3 isolates of
F. roseum
(0.6 to 119 μg), 3 of
F. roseum
“Culmorum” (1 to 210 μg), 3 of
F. roseum
“Equiseti” (0.6 to 2.0 μg),
F. roseum
“Gibbosum” (115 to 175 μg), 21 of
F. roseum
“Graminearum” (0.2 to 230 μg), and 3 of
F. tricinctum
(0.2 to 6.0 μg). All isolates of
F. roseum
“Graminearum” which formed the perithecial stage of
G. zeae
(
G. roseum
) produced zearalenone. Production occurred by the wild but not the appressed cultural type. Zearalenone production by
F. tricinctum
was confirmed by a mouse bioassay.
Publisher
American Society for Microbiology
Subject
General Pharmacology, Toxicology and Pharmaceutics,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine
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