Preliminary studies undertaken have revealed that paddy straw was the best substrate for Tricholoma giganteum, when compared to banana pseudostem, saw dust and sugar cane bagasse. The efficacy of various casing materials namely coirpith compost, red soil, sand and cowdung mixture (1:1:1), vermicompost, spent mushroom substrate along with pseudomonas culture filtrates have been studied in detail for stimulation of mycelial growth and increased sporophore formation in Tricholoma giganteum whereby the yield is increased tremendously in certain treatments. The effects of individual casing materials as well as in combination with Pseudomonas culture filtrates on the sporocarp initiation and yield are dealt with in detail in this paper.
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