トリコデルマ属の分生子表面構造の走査電顕による観察 1.

概要

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Exospore ornamentation of conidia in the anamorph genus Trichoderma was observed by the scanning electron microscope (SEM). Conidia of Trichoderma viride sp. aggr., including anamorphs of Hypocrea rufa and H. albomedullosa were roughened (verrucate or pusticulate). Conidia of the anamorph of Hypocrea muroiana were smooth, or roughened although they were observed to be almost smooth in a compound microscope. Conidia of the other Trichoderma species, those of H. schweinitzii, H. albofulva, and H. aurantiaca, which resemble H. rufa in their teleomorph characteristics, were smooth and ellipsoid or somewhat obovoid. On the basis of the shape and exospore ornamentation of conidia, it is pointed out that so-called H. muroiana may be separated into some species, and the anamorph of H. nigricans should be classified into T. aureoviride, sp. aggr. although its conidia were subglobose or short obovoid.
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