Abstract

The mycelial growth rate of 4 strains of Pleurotus eryngii was first studied on different culture media - MEA, PDA and WEA (wheat extract agar). In the next experiment, we checked the mycelial growth on the same medium but at 3 different pHs. MEA medium ensured the highest growth rates for all the strains under test, followed by PDA. Pery-G strain showed the fastest growing rate on MEA (5.79 mm day-1) and PDA (3.04 mm day-1), respectively. Test concerning the mycelium growth on PDA at different initial pH values (5.5, 6.0, 6.5) showed the preference of our P.eryngii strains for media with weak acid to the neutral reaction , the optimal values being 6.0. There were no big differences among mycelium growing rates of the same strain for the three pH variants

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