Production of Weak Acid by Anaerobic Fermentation of Soil and Antifungal Effect

  • Kim, Hong-Lim (Horticultural Soil Management Team, National Horticultural Research Institute) ;
  • Jung, Bong-Nam (Division of Horticultural Environment, National Horticultural Research Institute) ;
  • Sohn, Bo-Kyoon (Division of Applied Life and Environmental Sciences, Sunchon National University)
  • Published : 2007.04.30

Abstract

Acetic acid and butyric acid were produced by the anaerobic fermentation of soil mixed with wheat or rice bran. The concentration of acetic acid produced in the wheat and rice bran-treated soil was 31.2mM and 8mM, respectively, whereas the concentration of butyric acid in the wheat and rice bran-treated soil was 25.0mM and 8mM, respectively. The minimal fungicidal concentration (MFC) for all the fungal strains was 40-60mM acetic acid, 20-40mM butyric acid, and 40-60mM mixture of acetic acid: butyric acid (1:1, v/v). Consequently, the efficacy of mixing wheat-bran with soil to control soil diseases was demonstrated.

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