Author(s):

R Sutha Raja Kumar, L Darwin Christdhas Henry, C Kannan and V Jaiganesh

Abstract: Oyster mushroom can be grown on cellulose rich material but are more sensitive to lignified substrates. Six different locally available plant wastes <em>viz.,</em> banana leaves, casurina needle, coir pith, sugarcane trash, water hyacinth and paddy straw were tried as substrates for the cultivation of <em>Pleurotus florida. </em>The highest per cent biological efficiency was recorded on paddy straw (74. 2 %) followed by banana leaves (70. 5 %), water hyacinth (66. 5 %), sugarcane trash (62.8 %) and in rest of the substrates B.E was less than 60 per cent. The polybag beds provided with ten holes at random recorded minimum spawn run days, minimum days for pin head formation, maximum sporophore yield and biological efficiency. A local method <em>viz</em>., hanging rope system was highly economical and recorded highest yield with very less investment compared to rack system.

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