INFLUENCE OF GLUCOSE AND PEPTONE ON THE MYCELIAL GROWTH OF OYSTER MUSHROOM (Pleurotus ostreatus)

NASHWAN Y.  EDO

doi:10.26682/ajuod.2021.24.2.2

NASHWAN Y. EDO Dept. of Horticulture, College of Agricultural Engineering Sciences, University of Duhok, Kurdistan Region-Iraq

DOI: https://doi.org/10.26682/ajuod.2021.24.2.2

Keywords: Pleurotus ostreatus, Oyster Mushroom, Potato Dextrose Agar, Glucose, Peptone, Mycelial Growth.

Abstract

This present study was carried out to investigate the effect of glucose concentrations (5, 10, and 15) g.l^-1 as carbohydrate source and peptone (0, 2, 4, and 6) g.l^-1 as nitrogen source on mycelial growth, colony diameter, growth period, and mycelial morphology of Pleurotus ostreatus. The results indicated that the best mycelial extension after three and seven days from isolation was recorded at 5 g.l^-1 glucose and 6 g.l^-1 peptone whereas the lower growth of colony diameter recorded at 15 g.l^-1 glucose and in the control plates of peptone. Nevertheless, complete colonization of mycelial growth period was obtained after six days of incubation between lower concentration of glucose with all concentrations of peptone and between 10 g.l^-1 glucose with 6 g.l^-1 peptone, while concentration 15 g.l^-1 glucose plus control or 2 g.l^-1 peptone were fully colonized after ten days from colony growth. However, the best interactions between glucose at concentrations (5 and 10) g.l^-1 with 6 g.l^-1 peptone were showed white mycelium color, abundant colony growth, high density mycelium and cottony texture as mycelial morphology characters for oyster mushroom.

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INFLUENCE OF GLUCOSE AND PEPTONE ON THE MYCELIAL GROWTH OF OYSTER MUSHROOM (Pleurotus ostreatus)

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