Growth and yield responses by the sclerotia of Pleurotus tuberregium (FR.) SING. to different levels of N, P, K and NPK fertilizers in soil
DOI:
https://doi.org/10.33885/sf.1999.3.879Keywords:
Pleurotus tuberregium, sclerotia, growth effect, fertilizersAbstract
A study was carried out to determine the effect of the fertilizers, ammonium sulfate (21% N), single superphosphate (20.5%
P2°5)> potassium chloride (60% K2O) and NPK 15-15-15, on the growth and sporophore yield from sclerotia of the tropical
edible mushroom, Pleuroíus tuberregium. In this study, potassium proved to be the most efficient mineral amendment in
enhancing the growth of the fungus, producing the highest yield. Nitrogen also increased yield and encouraged stipe and
pileus diameter, while phosphorus improved stipe length. NPK 15-15-15 fertilizer application at 20 Kg/ha resulted in
significant difference in yield, when compared with the control Pileus/stipe ratio was the lowest with application of
phosphorus indicating more vigorous and tall sporophores, while it was the highest with the control, which showed short
fruit bodies.
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