Author(s):

Kovid Kumar, Abhilasha A Lal and Kamlesh Kumar Mohle

Abstract: An experiment was carried out to investigate the cultivation of oyster mushroom (Hypsizygus ulmarius) on different substrates (wheat straw, paddy straw, card board, wheat straw + paddy straw, card board + wheat straw, paddy straw + wheat straw + banana leaves + card board). The objective of this study was to evaluate the best alternative substrate that support the growth of oyster mushroom, produces the maximum yield with highest biological efficiency and nutritional content. Total six treatments replicated eight times were taken under the complete randomized design. The minimum time taken for spawn run (14.50 days), pinhead formation (18.37 days) and fruting body formation (23.12 days) was recorded in T₀ wheat straw (control). Maximum average pileus width (7.30 cm) T₃ paddy straw + wheat straw and length (8.67 cm) T₀ wheat straw (control) and stipe size (7.05 cm) T₂ card board. Maximum number of fruiting bodies (179.87), maximum yield (1027.36 g) and biological efficiency (155.60 %) were recorded in T₃ (paddy straw + wheat straw).Maximum protein content was recorded in T₁ paddy straw (27 %). Where as maximum carbohydrate content was recorded in T0 wheat straw (40 %).

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