Evaluation of the production potential in sporophores of 4 species of wild edible fungi on lignicole substrates in Mali

Production de Champignons comestibles au Mali

Abstract

Wild edible mushrooms represent local food and monetary income that are unknown
and under-exploited by rural people. This study aims at the agronomic                                                                            characterization of four (4) species of the Collection Micicole du Mali (CMM). The
spawn production test was carried out on cereal grains, tea leaves and park manure,
and that of the sporophores on plant substrates. The technique of 'Casing' was used to
produce the sporophores. The wild strains grew successfully on PDA medium with a
high radial growth rate compared to the commercial species with 0.89cm/d for
Lentinus squarrosulus Mont. (called in study JD1478) followed by 0.36cm/d for
Pleurotus cystidiosus Miller (KD006) against 0.07cm/d for Pleurotus oestreatus
Kummer (PO). The mycelium of the 5 local strains invaded the plant substrates with
a colonization period ranging from 3 to 25 days for the 50% delay and 4 to 30 days
for the 100% delay. Millet, paddy rice and sorghum recorded shorter colonization with
JD1478. Rice straw (0.2kg) obtained the best yield with Pleurotus populinus Hilber
(PG) with 82g, followed by P. oestreatus with 33g and P. cystidiosus with 14g.