July
1999
, Volume
83
, Number
7
Pages
690
-
693
Authors
Douglas J.
Jardine
and
John F.
Leslie
,
Department of Plant Pathology, Throckmorton Plant Sciences Center, Kan-sas State University, Manhattan 66506-5502
Affiliations
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Accepted for publication 21 April 1999.
Abstract
ABSTRACT
Four strains each of Fusarium moniliforme (syn. Fusarium verticillioides) and Fusarium thapsinum were tested for aggressiveness toward two maize inbred lines grown under greenhouse conditions. All strains induced significantly longer stalk lesions than those observed in the controls. Mean lesion length resulting from inoculation with strains of F. moniliforme was longer than the mean lesion length resulting from inoculation with strains of F. thapsinum. Within each species, however, there was a broad range of lesion lengths observed, and all tested strains of both species probably should be regarded as potential pathogens of maize. No isolate × inbred interaction was detected. Fumonisins may play a role in aggressiveness, but under our conditions, stalk rot and the ability to produce fumonisins in vitro were not correlated.
JnArticleKeywords
Additional keywords:
corn,
Gibberella fujikuroi,
G. moniliformis,
G. thapsina,
mycotoxin,
Zea mays
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© 1999 The American Phytopathological Society