土壌から分離された一細菌の抗糸状菌性について

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  • ドジョウ カラ ブンリサレタ イチサイキン ノ コウ シジョウキンセイ ニ ツ
  • Studies on the Antifungal Activities of a Bacterium Isolated from the Soil
  • ドジョウ カラ ブンリサレタ イチ サイキン ノ コウ シジョウキンセイ ニツイテ

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Abstract

Antifungal effects of a soil-bacterium(TB-3) against several phytopathogenic fungi were studied. Conidial germinations of Fusarium oxysporum, Cochliobolus miyabeanus and several other phytopathogenic fungi were inhibited strongly in the broth of bacterium or n-butanol extracts of the broth, and if the condia germinated in the diluted solution, form of the germ-tube were abnormal. Spraying of the broth or n-butanol extracts of the broth had no effect on soil microflora, however, the spraying were effective to decrease the density of Fusarium oxysporum inoculated in the soil.

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