PJB-2010-340
USE OF MEDICINAL PLANTS IN DIFFERENT COMPOSTS FOR YIELD IMPROVEMENT OF VARIOUS STRAINS OF OYSTER MUSHROOM
M. INAM-UL-HAQ1*, NASIR A. KHAN, M. AHSAN KHAN, M.ASLAM KHAN, N. JAVED, RANA BINYAMIN AND G. IRSHAD
Abstract
Different of concentration of four medicinal plants viz., Eucalyptus camaldulensis, Azadirachta indica, Citrus lemon, Cymbopogon marginatus were investigated for the effect of certain active components in their parts, capable of increasing mushroom yield and controlling mushrooms pathogenic microbes which cause great loss in mushroom yield. Four strains of Oyster mushroom were selected on the basis of their well mycelial growth on MEA. For selection of best compost simple composts were also prepared without any medicinal plant products i.e., cotton, wheat, paddy straw. Corn stover composts and cotton compost gave the maximum yield. The dried leaves of the Citrus lemons, lemon grass and Neem cake (dried) were crushed, and the sawdust of the logs of Eucalyptus were incorporated with different doses of 2%, 3%, 4%, 5% w/w of substrates with cotton substrate before compost fermentation. Each of the compost bag having specific medicinal plant product with specific concentration were spawned with selected four strains of Oyster mushroom i.e., two local strain Pleurotus florida (P-17), Pleurotus ostreatus (P-19) and two exotic strains Pleurotus (florida) ostreatus (WC536), Pleurotus ostreatus (WC-522). Spawn running and mushroom fruitification were allowed to develop under optimum environmental condition. The mushroom yield data of compost bags with different concentration of medicinal plant products plants were calculated. The results showed that presence of Neem cake and Citrus lemon in the substrate increased the yield of Oyster mushroom strains i.e. Pleurotus (florida) ostreatus (WC-536) followed by P. ostreatus (WC-522) strain. Neem cake and Citrus lemon were more promising in improving yield of mushroom. These results led to the conclusion that addition of specific medicinal plants concentration to compost increases the yield of Oyster mushroom by reducing the incidence of microbes and is more preferable than chemicals due to their lethal effects during human consumption of mushroom.
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