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K.B Romachandran
Department of Chemical Engineering, University of Malaya
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry

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Efect of pH on Growth, Spore Production and Spore Viability of Biocontrol Agent Trichoderma Harzianum in Submerger Fermentation Syahiddin Dahlanr Said; Masitah Hasan; K.B Romachandran
ASEAN Journal of Chemical Engineering Vol 3, No 1 (2003)
Publisher : Department of Chemical Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (254.48 KB) | DOI: 10.22146/ajche.50855

Abstract

The effect of pH medium on growth, spore production and spore viability of bicontrol agent Trichoderma harzianum were investigated in a batch farmenter in the range of 4 to 7. The biomass concentration of this fungus at pH 4,6 and uncontrolled pH were higher than at pH 5 and 7 after 18h incubation. The spore produced by the fungus at 6,7 and uncotrolled pH was higher than others. the highest level of spore production (6.67x107 spores/ml) occured at unctrolled pH, but the spore produced in the culture grown at 7 has a higher viability (52,5%) compared to those grown at other pH.
Co-Authors Masitah Hasan Syahiddin Dahlanr Said