竹材に発生する「かび」とその防黴に関する研究(第2報) : モウソウチク(Phyllostachys edulis, Riv.)材における「かび」の生育と湿度との関係

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The growth of the molds which had been isolated from the mildew on bamboo (Nom. bot. : Phyllostachys edulis Riv.) and described in the preceding report was studied under various temperatures and humidities, using the parenchyma of the tangential sections of bamboo stems as substrate.1) The growth at a temperature of 25〜30℃.a) All the molds were able to grow at a relative humidity of 75%, but not at that below 70%.b) For the growth of the molds, a relative humidity of 85% was more favorable than that of 75%. The molds mildewed the substrate in the following order of intensity : Penicillium citrinum, Aspergillus niger, Asp. oryzae, Mucor rouxianus?>Alternaria tenuis?>Cladosporium herbarum>Pullularia pullulans. At relative humidities of 90〜95%, the growth was rapid and luxuriant without exception.2) Even at such a low temperature as 16〜20℃, all the molds could readily grow on bamboo stems when the humidity was as high as 92%.
社団法人日本生物工学会の論文
1957-09-15