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Effect of Different Casing Materials on the Yield Attributes and Yield of White Button Mushroom

Bimal Chandra Dey
Department of Agricultural Extension, Khamarbari, Manikganj;

M. Mofazzal Hossain
Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur,

Abdul Mannan Akanda
Department of Plant Pathology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur,

M. Kamruzzaman
Department of Agricultural Economics, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur,

Mohammad Zakaria
Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur.

Md. Bazlul Karim Choudhury
OSD, DG Health, Mohakhali, Dhaka-1212, Bangladesh.

Nirod Chandra Sarker
National Mushroom Development and Extension Centre, Sobhanbag, Savar, Dhaka

Abstract/ Executive Summary:

An experiment was conducted to find out the effect of casing materials on yield and yield attributes of white button mushroom. Farm yard manure: burnt rice husk (2:1), peat soil, poultry manure and soil: sand (3:1) were evaluated as casing materials. The highest number of fruiting body, biological yield, economic yield and biological efficiency was recorded in farm yard manure and burnt rice husk (2:1). The highest economic yield (332.07g/ 3 kg bag) was estimated from farm yard manure and rice husk (2:1) followed by peat soil (313.62 g/ 3 kg bag) and soil: sand (3:1) (301.25 g/ 3 kg bag). The lowest economic yield was observed on poultry manure (292.01kg/ 3 kg bag).

Keywords: Casing, Button mushroom, Yield.

Location: Villages of Savar, Dhaka area and National Mushroom Development and Extension Centre

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Mushroom

Objectives:

To find out the best casing materials on yield attribute and yield of white button mushroom.

Methodology:

Four different casing materials were selected and collected from local villages of Savar, Dhaka area and National Mushroom Development and Extension Centre (NAMDEC), Savar, Dhaka. The materials were composed in the following manner T₁ = Farm Yard Manure (FYM): Burnt Rice Husk (BRH) (2:1), T₂ = Peat, T₃ = Poultry Compost and T₄ = Soil: Sand (3:1). Paddy straw was used as the main substrate and the compost was prepared by long method of composting (LMC) using rice straw (300 Kg), wheat bran (30 Kg), gypsum (15 Kg), calcium carbonate (10 Kg), urea (9 Kg), triple super phosphate (6 Kg), muriate of potash (3 Kg), furadon (250 g) and bavistin (150 g). The ready compost was deep brown in colour, free from bad smell of ammonia and had 65-67% moisture. Three kilograms (3 kg) of compost were mixed with 75 g of mother culture of Agaricus bisporus and poured in a polypropylene bag. The open top of the bags were covered with wetted clean news papers and incubated in the incubation room at 24 ⁰ ± 2 °C temperature 90% relative humidity for 20 days. After completion the spawning of those bags, casing materials were applied to the top of spawn bags maintaining 3-4 cm thickness according to treatment combination. Before using the casing materials, it was sterilized by autoclaving for 1 hour with 121 °C temperature at 1.1 kg/cm 2 pressure. The packets were incubated in the same incubation room at 24 ⁰ ± 2 °C temperature for 10 days. Case run was considered complete when mycelia come in the valleys of casing layer. After case run, the environmental conditions changed by bringing down the temperature to 15-17°C (air), RH to 85% by opening of the fresh air ventilation and exhaust CO₂ . This change in environmental parameters induced pinhead formation in 3-4 days. The pinheads developed into solid button sized mushrooms in another 3-4 days. Mushroom was harvested before the fruiting body showed any detachment of the cap from the stipe. The yield of mushrooms and their parameters were recorded regularly. The number of fruiting body, biological and economic yield was estimated. Data were statistically analyzed MSTAT-C computer program. Means were computed following Duncan’s Multiple Test (DMRT) using the same computer program.

Source of Information: Bangladesh J. Mushroom. 5(2): 65-70, 2011 (December)

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The highest economic yield (332.07g/ 3 kg bag) was estimated from farm yard manure and rice husk (2:1) followed by peat soil (313.62 g/ 3 kg bag) and soil: sand (3:1) (301.25 g/ 3 kg bag). The lowest economic yield was observed on poultry manure (292.01kg/ 3 kg bag). It was observed that the equation y=0.8291x-2.0367 gave a good fit to the data and the co-efficient of determination (R² = 0.952**) showed that the best fitted regression line had a significant regression co-efficient. It indicated that the economic yield per bag increased with the increase of biological yield. More over its value also indicate that 95.2% economic yield was attributed by the biological yield.

Knowledge Management: Journal