EFFECT OF DIFFERENT LEVELS OF LIME AND PH （不同级别的石灰和PH值的影响）.pdfVIP

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EFFECT OF DIFFERENT LEVELS OF LIME AND PH （不同级别的石灰和PH值的影响）.pdf

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EFFECT OF DIFFERENT LEVELS OF LIME AND PH （不同级别的石灰和PH值的影响）

Pak. J. Bot., 45(1): 297-302, 2013. EFFECT OF DIFFERENT LEVELS OF LIME AND PH ON MYCELIAL GROWTH AND PRODUCTION EFFICIENCY OF OYSTER MUSHROOM (PLEUROTUS SPP.) M. WAJID KHAN1 1 2 2 , MUHAMMAD ASIF ALI , NASIR AHMAD KHAN , MUHAMMAD ASLAM KHAN , ABDUL REHMAN2 AND NAZIR JAVED2 1Institute of Horticultural Sciences, University of Agriculture Faisalabad, Pakistan 2Department of Plant Pathology, University of Agriculture Faisalabad, Pakistan * Corresponding author’s e-mail: nasir_8914@ Abstract pH is an impotant factor for good production of Oyster mushroom. Most of the mushrooms grow and perform well at pH near to neutral or light basic. Lime (CaCO3) is an important constituent in mushroom cultivation, commercial cultivation of mushroom depends upon proper adjustment of pH of substrate. Most of the substrates used for the cultivation of mushroom have pH approximately near to neutral i.e., 7 in Pakistan. In this study, Oyster mushroom (Pleurotus sp.) was grown on cotton waste with different levels of lime in substrate like 0%, 2%, 4% and 6% of substrate weight at pH 7.2, 7.8, 8.2 and 8.7 respectively, to find out the most suitable pH/level of lime for mycelial growth and fructification of mushroom. Data regarding number of days for mycelial growth, number of days taken for initiation of primordia, number of pinheads, number of days taken to reach at harvesting stage after primordia initiation, number