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Effect of Different Supplements on Yield and Nutritional Status of Shaggy Mushroom

Saleh Ahmed
National Mushroom Development and Extension Centre, Sobhanbag, Savar, Dhaka, Bangladesh

Tasnima Mahjabin
National Mushroom Development and Extension Centre, Sobhanbag, Savar, Dhaka, Bangladesh

Mahbuba Moonmoon
National Mushroom Development and Extension Centre, Sobhanbag, Savar, Dhaka, Bangladesh

A. J. Kakon
National Mushroom Development and Extension Centre, Sobhanbag, Savar, Dhaka, Bangladesh

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

Md. Ferdaus Ahmed
National Mushroom Development and Extension Centre, Sobhanbag, Savar, Dhaka, Bangladesh

K. M. Shamsuzzaman
National Mushroom Development and Extension Centre, Sobhanbag, Savar, Dhaka, Bangladesh

Abstract/ Executive Summary:

Sawdust was supplemented with wheat bran (WB), rice bran (RB), maize powder (MP), WB+RB (1:1), WB+MP (1:1) and RB+MP (1:1) to cultivate shaggy mushroom. The ratio of supplements to substrate was 1:2. Significant variation was observed in the number and size of fruiting body and yield of the mushroom. The higher number of fruiting body was observed in RB+WB (1:1) (9.0) and WB (7.75) supplement. The higher yield (170.0 g/ packet) was also recorded in RB+WB (1:1) supplement. Carbohydrate and protein content of shaggy mushroom was remarkably influenced by different supplements and the highest amount of carbohydrate (41.75%) and protein (29.75%) were observed in the mushrooms grown on MP and WB + RB (1:1) respectively. No remarkable difference was observed in fat, fiber and ash content of shaggy mushroom grown on sawdust supplemented with different supplements.

Keywords: Coprinus comatus, Sawdust, Supplement, Yield, Nutritional quality.

Location: National Mushroom Development and Extension Centre, Savar, Dhaka

Start Date: 00-11-2010

End Date: 00-01-2011

Program Area: Quality and Nutrition

Commodity: Mushroom

Objectives:

To find out the most suitable supplement to sawdust substrate for shaggy mushroom cultivation and to determine the nutritional status of the mushroom influenced by the supplements.

Methodology:

The experiment was conducted at the National Mushroom Development and Extension Centre, Savar, Dhaka during November 2010 to January 2011. The substrate (sawdust) was supplemented with wheat bran (WB), rice bran (RB) and maize powder (MP) and their combinations, WB+RB (1:1), WB+MP (1:1) and RB+MP (1:1) at the ratio of 2:1. Water was added to make the moisture content 60%. Calcium carbonate (CaCO₃) was added at the rate of 0.2% of the total mixture. After mixing, the polypropylene bags of 18 x 25 cm size were filled with 500 g of substrates. The bags were plugged with absorbent cotton covering by brown paper with the help of a rubber band and autoclaved at 121⁰C temperature and 1.5 kg/ cm² pressure for 2 hours. The autoclaved bags were allowed to cool for about 12 hours and inoculated with the inoculums of Coprinus comatus at the rate of 2 table spoon full per packet. The inoculated bags were incubated for 25 days at about 22^₀C temperature. After completion of mycelial running, the bags were opened and casing soil was sprayed over the mycelium at the thickness of 2- 3 cm. The bags were transferred to culture house at cool temperature for fruit body formation. The experiment was laid out following completely randomized design (CRD) with four replications. Data on number of fruiting body, yield and length and diameter of both stalk and pileus were recorded and analyzed using MSTATC computer program. Means were separated following DMRT using the same computer program. The nutrient value of fruit bodies was determined in terms of protein, fat, carbohydrate, fiber and total ash.

Source of Information: Bangladesh J. Mushroom. 5(1): 55-58, 2011 (June)

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The ratio of supplements to substrate was 1:2. Significant variation was observed in the number and size of fruiting body and yield of the mushroom. The higher number of fruiting body was observed in RB+WB (1:1) (9.0) and WB (7.75) supplement. The higher yield (170.0 g/ packet) was also recorded in RB+WB (1:1) supplement. Carbohydrate and protein content of shaggy mushroom was remarkably influenced by different supplements and the highest amount of carbohydrate (41.75%) and protein (29.75%) were observed in the mushrooms grown on MP and WB + RB (1:1) respectively. No remarkable difference was observed in fat, fiber and ash content of shaggy mushroom grown on sawdust supplemented with different supplements.

Knowledge Management: Journal