The Effect Of Coconut Water (Cocos nucifera) Concentration In Ramie Wood Chip (Boehmeria nivea) Substrate On The Growth Of Brown Oyster Mushroom (Pleurotus cystidiosus)

Qurrotu Ainun Nisa
Ruly Budiono (Universitas Padjadjaran, Biologi Fakultas MIPA, Kabupaten Sumedang, Jawa Barat)
Suryana (Universitas Padjadjaran, Biologi Fakultas MIPA, Kabupaten Sumedang, Jawa Barat)
Indri Wulandari (Universitas Padjadjaran, Biologi Fakultas MIPA, Kabupaten Sumedang, Jawa Barat)
M. Agung Triyudha Agustiana (Universitas Padjadjaran, Biologi Fakultas MIPA, Kabupaten Sumedang, Jawa Barat)

International Journal of Quantitative Research and Modeling
Vol. 7 No. 2 (2026): International Journal of Quantitative Research and Modeling (IJQRM)

The cultivation of brown oyster mushrooms (Pleurotus cystidiosus) often faces constraints due to the limited availability of suitable growth media. This study aims to evaluate the potential of ramie wood chips as an alternative substrate and coconut water as a nutritional supplement to enhance mushroom growth. Coconut water is rich in plant growth regulators (PGRs) such as cytokinins, while ramie chips contain high cellulose and lignin content, making them a promising combination for a cultivation medium. The research was conducted using a Completely Randomized Design (CRD) consisting of four coconut water concentrations: 0% (K0), 25% (K1), 50% (K2), and 100% (K3), with six replications. The observed parameters included mycelial growth rate, time of first harvest (Days After Inoculation/DAI), harvest frequency, number of fruiting bodies, pileus diameter, and substrate weight loss. The data obtained were analyzed using Analysis of Variance (ANOVA). Significant results were further evaluated using Duncan’s Multiple Range Test (DMRT) at a 5% significance level to determine the differences between treatments.