Coconut water as a growth medium for edible and plant pathogenic fungi
1984
Quimio, T.H. (University of the Philippines at Los Banos, College, Laguna. Dept. of Plant Pathology)
The potential of using coconut water, first as a liquid medium for edible mycelial production of Lentinus sajor-caju and other edible mushrooms and, second, as a routine laboratory agar medium for growing edible mushrooms and plant pathogenic fungi was determined. Coconut water both from mature and young nuts can support the mycelial growth of edible mushrooms. Within 1 week incubation, 12 g dry weight of Lentinus sajor-caju mycelium can be harvested from 100 ml sterilized coconut medium. Yield increased up to 13 weeks incubation. When incorporated with agar, coconut water performed almost equally well as did the potato dextrose and malt extracts. Addition of dextrose to the coconut water agar further enhanced the growth of the mushroom organism within 3 days incubation. Trials with other edible mushrooms such as Volvariella volvacea, Auricularia polytricha, Pleurotus sajor-caju, Tremella fuciformis and Agaricus bisporus as well as with a number of plant pathogenic fungi such as Fusarium, Colletotrichum, Pythium, Rhizopus, Botryodiplodia and Phytophthora showed that coconut water agar medium can be used as a routine laboratory agar medium in place of the commonly used potato dextrose agar and/or mal extract agar. The preliminary test also showed that coconut water can be a good sporulating medium for the non-sporulating fungi
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