Mycelium growth and biological efficiency of Ganoderma lucidum on substrate supplemented with different organic additives
2015
Lisiecka, J. (Poznan University of Life Sciences, Poznan (Poland). Department of Vegetable Crops) | Rogalski, J. | Sobieralski, K. | Siwulski, M. | Soko ł, S. | Ohga, S.
Ganoderma lucidum (W. Curt.: Fr) P. Karst. is a mushroom exhibiting various medicinal properties, popular particularly in Asia. It is grown on a substrate based on hardwood sawdust. Other organic materials, usually agricultural or industrial waste supplemented with various additives, are also used in the cultivation of this mushroom. Numerous studies have shown that the composition of the substrate has a significant effect on mycelium growth and biological efficiency of Reishi mushroom. The presented analysis determined the effect of different organic substances on mycelium growth and biological efficiency of several G. lucidum isolates (Gan 18, Gan Li 27/3, Gan 7, Gan 112) obtained from mushrooms growing in the wild and from strains of this mushroom (GL 01, GL 02, GL 03 and GL 04). Growing substrate containing oak sawdust supplemented with wheat bran (20%), rye grain (25%), ground soy (7%), ground rapeseed (10%) or meat-and-bone meal (10%). These additives had a considerable effect on mycelium growth and its biological efficiency. A different response to sawdust substrate additives was found for the group of isolates and strains of G. lucidum. All the additives, except for meat-and-bone meal, had a positive effect on mycelium growth and its biological efficiency. In the case of G. lucidum strains a more rapid mycelium growth and a greater biological efficiency were observed for its isolates collected from nature, irrespective of the type of substrate additive.
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