Influence of culture media on growth, colony character and sporulation of fungi isolated from decaying vegetable wastes


G. Sharma and R. R. Pandey*

The mycelial growth rate, colony character and sporulation pattern of ten fungal isolates, grown on three different culture media viz., Potato Dextrose Agar (PDA), Czapek’s Dox + Yeast Extract Agar (CYA) and Lignocellulose Agar (LCA) were observed after seven days of incubation at 25±1°C. The colony diameter, culture characteristics (texture, surface and reverse colouration, zonation) and sporulation of selected test fungi were greatly influenced by the type of growth medium used. LCA exhibited comparatively higher mycelial growth in six test fungi, whereas all the ten isolates revealed heavy sporulation on this culture medium. Penicillium sp. and Acremonium kiliense exhibited maximum colony growth on PDA, while Chaetomium funicola and Fusarium oxysporum showed highest growth on CYA medium. These results will be useful for fungal taxonomic studies.

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