日本植物病理学会報
Online ISSN : 1882-0484
Print ISSN : 0031-9473
ISSN-L : 0031-9473
Capnodiaceae の数属の不完全世代の胞子型
山本 和太郎
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ジャーナル フリー

1955 年 20 巻 2-3 号 p. 83-88

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In the past the sooty mould fungi belonging to the Capnodiaceae have been described as having various types of pycnidia, pycnospores and conidia, i. e. Microxyphium including Stylospora and Spermatium, Chaetasbolisia, Antennularia, Triposporium, Fumago, Brachysporium and others. These spore types in the imperfect stage of each sooty mould fungus are extraordinarily diverse since two or more species of the sooty moulds and other fungi often grow together in the same mould colony, and produce various spore types mentioned above on it. Consequently, the proper spore type in the imperfect stage of each species or genus of the Capnodiaceae have hardly been determined yet.
For the purpose of confirming the relationship of the spore types between the perfect and imperfect stages of the sooty mould fungi, the single spore cultures have been made from the ascospores, pycnospores and conidia of sooty mould fungi belonging to the genera of Capnodium, Neocapnodium, Aithaloderma, Triposporiopsis, Limacinia, Hypocapnodium, Chaetothyrium and Phaeosaccardinula. The results of the comparative studies made on the conidia or pycnospores produced on each mould colony growing in the culture media revealed that the spore types in the imperfect stage of these genera were as follows.
The spore types of the genera of Capnodium, Neocapnodium, Aithaloderma and Triposporiopsis are Stylospora, Spermatium, Chaetasbolisia and Triposporium, respectively. Although the genera of Hypocapnodium, Chaetothyrium and Phaeosaccardinula have neither pycnospore nor conidium, Limacinia rarely has Antennularia type. Both types of Fumago and Brachysporium mentioned above do not connect with the Capnodiaceae, but belong to the Deuteromycetes.

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