Abstract
SUMMARYMany non-macroconidial Fusarium isolates were recovered from asparagus (Asparagus officinalis) plants with symptoms of the decline-and-replant disease. When grown on commonly used and recommended media, many of these isolates produced microconidia in chains on subulate phialides and on the basis of this characteristic were tentatively identified as F. moniliforme. Nineteen nonmacronidial isolates were randomly selected for this study. All produced microconidia in chains on water agar, potato dextrose agar, acid potato dextrose agar, corn meal agar, modified cornmeal agar and autoclaved cereal grains. Seventeen nonmacroconidial isolates produced abundant microconidia and some macroconidia on corn meal agar. Within 14 da, all 19 isolates formed an abundance of both spore forms on sterilized cereal grains.
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