Standardization of cultivation technology of blue oyster mushroom (Hypsizygus ulmarius) in Haryana
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Date
2016
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Publisher
CCSHAU
Abstract
Hypsizygus ulmarius (Bull.ex.Fr.) Redhead has been studied to optimize
physiological conditions, suitable substrate, supplement and its cultivation to harvest
maximum yield. Two cultivation trials were carried out during October - December, 2015 and
February – April, 2016 under natural conditions of Haryana. Gram flour (5 %) supplemented
wheat straw was treated with hot water (60 0C) and chemicals viz., Bavistin ; 50 ppm,
Formalin ; 500 ppm and Bavistin;50 ppm + Formalin;500 ppm. Maximum yield (661 g), least
spawn run period (21.9 days), pinhead appearance (23.7 days) and mould incidence (11.7 %)
was observed when wheat straw substrate treated with hot water (60 0C for 30 minutes).
Physiological study of H. ulmarius was conducted to optimize temperature and pH using
PDA medium to obtain maximum growth. Radial growth and biomass were maximum at 25
±1 0C and pH 7.0.