CULTIVATION OF Pleurotus tuberregium (Fr.) SINGER ON WHEAT BRAN AND Greenwayodendron suaveolens SEED POWDER SUPPLEMENTED SAWDUST
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Abstract
This study examined the effect of different levels of Greenwayodendron suaveolens seed powder and wheat bran supplementation on the growth and yield performance of Pleurotus tuberregium. Pleurotus tuberregium, commonly known as the king tuber oyster mushroom, is a tropical species valued for its nutritional, medicinal, and economic importance. Unlike plants, mushrooms lack chlorophyll and depend on decomposing organic matter for nourishment, making them suitable for cultivation on agricultural wastes such as sawdust, rice husk, and maize
cobs. The experiment was done using sawdust as substrate. The substrate was prepared and supplemented with wheat bran and Greenwayodendron suaveolens seed powder at 0,2,4,6,8 and 10% levels respectively. Supplemented substrate were inoculated with spawn of Pleurotus tuberregium and then incubated incubated for growth and fruiting. The results showed that supplementation with wheat bran and Green way odendron suaveolens seed powder improved the growth and yield of Pleurotus tuberregium compared to the 0% control. Substrates supplemented with Greenwayodendron suaveolens seed powder reached 50% mycelial colonization as early as
12 days and full colonization by about 18 to 20 days, while those with wheat bran reached 50% between 12 and 14 days. Fruiting bodies appeared between 22 and 30 days in both supplements, but only sclerotia formed in the 0% control. The highest yield was recorded at 10% Greenwayodendron suaveolens seed powder with 790 g fresh weight, 50.43 g dry weight, and
cobs. The experiment was done using sawdust as substrate. The substrate was prepared and supplemented with wheat bran and Greenwayodendron suaveolens seed powder at 0,2,4,6,8 and 10% levels respectively. Supplemented substrate were inoculated with spawn of Pleurotus tuberregium and then incubated incubated for growth and fruiting. The results showed that supplementation with wheat bran and Green way odendron suaveolens seed powder improved the growth and yield of Pleurotus tuberregium compared to the 0% control. Substrates supplemented with Greenwayodendron suaveolens seed powder reached 50% mycelial colonization as early as
12 days and full colonization by about 18 to 20 days, while those with wheat bran reached 50% between 12 and 14 days. Fruiting bodies appeared between 22 and 30 days in both supplements, but only sclerotia formed in the 0% control. The highest yield was recorded at 10% Greenwayodendron suaveolens seed powder with 790 g fresh weight, 50.43 g dry weight, and
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