The Composition Of Coconut Fibers And Tofu Pulp As A Growing Media Of Oyster Mushrooms (Pleurotus ostreatus)

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Mushrooms are one type of Non-Timber Forest Product (NTFP) that can use as an alternative food. With the growing development of mushroom cultivation, especially oyster mushrooms, it is necessary to provide an alternative planting medium other than sawdust. Lignocellulose sources other than wood should try as an alternative to growing media, such as coconut fibers. Besides lignocellulose, fungal growth also requires a source of protein. This research offers another option as a source of nutrition, namely tofu pulp. This study aims to obtain the best composition of coconut fibers and tofu pulp as an oyster mushroom growth medium. The method used in this research is mixing the raw materials (cultivation media), raw material sterilization, inoculation, maintenance, and harvesting. There are six treatments in mixing raw materials, namely coconut fibers and rice bran (P1); coconut fibers and tofu pulp (P2); sawdust and bran (P3); sawdust and tofu pulp (P4); coconut fibers, sawdust and rice bran (P5); coconut fibers, sawdust, and tofu pulp (P6). This study provides the following results: for the observation of cultivation medium closure by mycelium, treatments P2 and P4 were not significantly different, but both have significantly different from other treatments. The same results also are shown in the observation of pinhead growth and harvesting of mushrooms. Meanwhile, the weight of fresh mushrooms harvested did not significantly affect all treatments. P6 is the best treatment composition to be used as a medium for growing oyster mushrooms.