KEMAMPUAN LIMBAH PERTANIAN SEBAGAI PENGGANTI MEDIA PERTUMBUHAN MISELIUM JAMUR-TIRAM (Pleurotus ostreatus)

Kasujianingati, Kasutjianingati and Siswadi, Edi and Kusparwanti, Tririni and Wihartiningseh, Niniek KEMAMPUAN LIMBAH PERTANIAN SEBAGAI PENGGANTI MEDIA PERTUMBUHAN MISELIUM JAMUR-TIRAM (Pleurotus ostreatus). Jurnal Agroteknos, 5 (1). pp. 53-58. ISSN 2087-7706

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Abstract

The objective of this research is to observe the growth of oyster mushroom mycelium on the baglog stuffed with agricultural waste, expecting that it can serves as substitute media for mahogany sawdust which is normally used. The plot of experimental design is arranged in a Nested Design. This experiment involves four different percentages of mahogany sawdust as basic media (0%, 25%, 50% and 75%) which are nested in 8 kinds of agricultural waste, i.e. straw, effluent plants of soybean (edamame) and sweet corn, sugarcane bagasse, coffee bark, cacao nutshell, rice hull, cocopeat. Meanwhile, mahogany sawdust (100%) is used as control. This research proves that agricultural wastes can be used as a substitute material for baglog media to grow oyster mushrooms optimally, within 3 different time frames of observation as follows. The growth ability of mycelium within 30-35 days after inoculation is at best, fully grown, with sugar cane waste in various compositions, which is not significantly different from the control (mahogany sawdust 100%). This is followed by baglog with cocopit (25%) and soybeans/edamame (25%). The mycelium growth in 35-40 days after inoculation on other media substitutes, i.e. straw (25%); cocopeat (50%-75%); coffee bark (25%, 50% and 75%) have the same speed as the control (mahogany sawdust 100%). The growth of miselium after inoculation, within 40 days of observation on the following medias i.e. straw (25%); cocopeat (50% and75%); coffee bark (25%, 50% and 75%), cacao nutshell (25%-50%). The mycelium growth for more than 40 days after inoculation, has the slowest speed in covering the whole baglog, occurred in the following media composition; rice hull (all compositions), effluent plants of soybean (50% and 75%); cacao nutshell (75%); straw (50% and 75%) and effluent plants of sweet corn (25%, 50% and 75%).

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