The paddy straw mushroom is a preferred type of mushroom by most consumers because of its aroma and taste (Tharun, 1993) It grows on almost all cellulosic agricultural waste material like rice straw, banana leaves dried paddy straw etc (Reyes and Abella, 1997) These substrates are used because they contain cellulose and also pose a problem of disposal to the environment (Onuoha, 2008) So the cultivation of mushroom using the agro-waste is a way of reducing environmental waste materials (Reyes and Abella, 1997).