Abstract
AbstractEffects of various hormonally treated substrates on mycelial development, pinning and biomass of Pleurotus ostreatus were investigated. A 3 × 4 experimental layout was used i.e. three substrates: Urochloa panicoides, Zea mays and Datura stramonium and four hormonal treatments: cytokinins; auxins; gibberellins and control. Treatments were replicated three times and arranged in a Completely Randomize Block Design. The results indicated significant differences on mycelial, pinning, fruit caps and biomass (p ≤ 0.05). Mycelial development in respective substrates was as follows: U. panicoides (100%), Z. mays (84.78%) and D. stramonium (36.31%) and pinning rate was 65.48, 32.99, and 12.23% respectively. Hormones also had significant effect on cap size and style length (p ≤ 0.05). Cap sizes were: auxins: 13.42 cm, cytokinins: 9.9 cm and gibberellins: 7.13 cm and style lengths were: 6.93, 8.83 and 11.03 cm respectively. Mushroom biomasses from different substrates were: U. panicoides (7,609.56 g), Z. mays...
Highlights
For more than a century, mushrooms have been harvested from the wild and some were cultivated outdoors i.e. without controlling the environmental conditions (Gupta, 1986)
The objective of this study was to investigate the effects of various substrates such as Urochloa panicoides, Datura stramonium and Zea mays inoculated with plant growth hormones: auxins, cytokinins and gibberellins on the development and yield of oyster mushrooms (P. ostreatus) in the semi-arid regions
At the fourteenth assessment i.e. after 28 days from inoculation, mycelial colonization percentage was greater on mushrooms grown under the U. panicoides substrate followed by mushroom grown in Z. mays and D. stramonium as indicated in Figures 1a and 1b
Summary
For more than a century, mushrooms have been harvested from the wild and some were cultivated outdoors i.e. without controlling the environmental conditions (Gupta, 1986). Over the past five decades growers who sought to increase production, initiated growing mushrooms indoors. They designed and constructed structures that enabled them to control growth conditions. Building of such structures is primarily meant to provide suitable microclimate throughout the year and enabling continuous production of mushrooms (Sarker & Chowdhury, 2013). There are numerous species of mushrooms that produce well when grown indoors, among these species is the Pleurotus ostreatus commonly known as oyster mushroom. Oyster mushroom is one of the most important macro fungi that produce high levels of quality protein from various agro-wastes or forest wastes (Banik & Nandi, 2004)
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