Volume 19 Part 1 Article 40
Title: Yield and economic viability of two indigenous strains of Lentinus squarrosulus cultivated on composted sawdust of various tropical woods
Author: Deborah Louisa Narh Mensah, Mary Obodai, Jeremiah Lartey-Brown, Juanita Prempeh
Lentinus squarrosulus is an indigenous edible mushroom with medicinal properties, which is presently not biotechnologically exploited for consumption and commercial purposes in Ghana. The cultivability of L. squarrosulus was assessed on composted sawdust of mixed tropical woods for its yield and economic viability of the harvested fruiting bodies. Wild fruiting bodies of the mushroom were collected from the Greater Accra and Volta Regions of Ghana. Prepared spawns of the two strains (Lsf and Sqw) were separately inoculated on composted sawdust supplemented with rice bran and quick lime. The weight and number of fruiting bodies harvested per flush, the flush number and the intervals between flushes were among the parameters recorded during the 52 days cropping period. The biological efficiency (BE) was also calculated. Mycelia and basidiocarp macromorphologies of the strains were also compared. Insignificant differences (p>0.05) were largely observed among the yield parameters for the two strains. Total yields and BEs recorded were 327g and 36.27 %, and 376 g and 41.78 % for strains Lsf and Sqw respectively. Commercial cultivation of the mushroom could possibly accrue reasonably high profit margins (12 – 24 %) and profit percentages (13 – 31 %) based on activity-based costing calculated using the mean yields per compost bag within the cropping period. This is the first report on cultivation of L. squarrosulus from Ghana and estimation of the possible profit margins of the mushroom’s commercial cultivation.