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Effects of Additional Substrates on the Growth, Yield and Analysis of<br />

Moisture and Ash Contents of Grey Oyster Mushroom<br />

Low Suet Yee<br />

Supervisor: Dr. Aqilah binti Mohammad<br />

Bachelor of Applied Science<br />

(Biodiversity Conservation and Management)<br />

School of Marine and Environmental Sciences<br />

Grey oyster mushroom is one of the varieties of edible mushrooms that are<br />

grown commercially in Malaysia. Presently, there is lack of study on the<br />

utilization of general solid waste that may have potential in oyster mushroom<br />

cultivation in Malaysia. Therefore, current study was conducted to determine<br />

the growth, yield and analysis of moisture and ash contents of grey oyster<br />

mushroom with additional substrates. Three treatments were prepared as A<br />

(coffee leftover), B (tea leftover) and C (mixture of coffee leftover, tea leftover<br />

and waste paper) and used as additional substrates in grey oyster mushroom<br />

cultivation. These additional substrates were added into sawdust,<br />

supplemented with fixed ratio of rice bran and CaCO₃. The media bags were<br />

colonized by mycelia and fruit bodies were formed to be harvested. First harvest<br />

indicated that the highest average fresh weight (82.84 g) of oyster mushrooms<br />

was obtained from treatment C, in comparison to control.<br />

1698 | UMT UNDERGRADUATE RESEARCH DAY 2018

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