Preparation of Substrates: The straw was chopped manually and soaked in water for 24 hours. The soaked straw was rinsed in distilled water twice and drained with a sieve. The oil palm fibre was soaked in distilled water overnight in order to melt the remaining oil in the fibre. Excess water was drained off. Five hundred grammes each of the prepared sawdust and oil palm fibre were mixed up properly. One kilogramme of each substrate was used. The mixture substrates were prepared in equal proportions by weight. This was done using a weighing balance. Sawdust was mildly sprinkled with sterile distilled water.