The growth rates of a selection of wood decay fungi (brown and white rots) on various agar-supplemented media have been determined and compared. The agar media investigated were Malt extract agar (MEA), Potato dextrose agar (PDA), YMPG agar (yeast extract, malt extract, bacto-peptone, glucose, asparagine and thiamine), YMPG agar (without amino acids) and Beech wood powder agar (BWA). The tested wood decay fungi were Phanerochaete chrysosporium, Phanerochaete sordida, Trametes versicolor, Bjerkandera adusta, Antrodia vaillantii and Leucogyrophana pinastri. The results obtained show that growth rates of the white rot decay fungi were higher than the brown rot decay fungi on all the tested nutrient agar media. The highest growth rates of the fungi (white and brown rots) were obtained on YMPG agar medium and the lowest on beech wood agar. Growth rates of all the fungi on malt extract agar and potato dextrose agar were comparable. Finally, both brown rot decay fungi showed biphasic growth on the beech wood agar.

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