Comparative study of growth and yield of edible mushrooms, Schizophyllum commune Fr., Auricularia polytricha (Mont.) Sacc. and Lentinus squarrosulus Mont. on lignocellulosic substrates

Abstract

Schizophyllum commune Fr., Auricularia polytricha (Mont.) Sacc. and Lentinus squarrosulus Mont. are edible mushrooms which are also proven to be medicinally important. This study was carried out to investigate the potential of locally available substrates to grow these mushrooms. Alternative substrates including dried banana leaves, coconut leaves, paddy straw and coir dust were compared with sawdust (rubber) which is the commonly used substrate for commercial production of mushrooms. Banana leaves, coconut leaves and paddy straw were cut into 1 cm × 0.2 cm pieces. To each substrate, 10% (w/w) rice bran, 2% (w/w) CaCO 3 and 0.2% (w/w) MgSO 4 were added. The mixture was filled into 200 gauged polypropylene bags (22 cm × 12.5 cm) and autoclaved. Each Bag was inoculated with a 1 cm 2 block from the actively growing region of the mushroom culture maintained on PDA. After incubating under dark conditions at room temperature (28 ± 2 0 C) and 78 -80% relative humidity, mycelial growth rate and once fructification commenced, yield was determined. Highest rate for mycelial growth was observed in mixtures containing banana leaves for all three mushrooms. It was 10.345 ± 0.02 cm/week for S. commune, 7.818 ± 0.31 cm/week for A. polytricha and 10.895 ± 0.30 cm/week for L. squarrosulus. Highest mushroom yield for S. commune was obtained in coconut leaf (9.589 ± 0.66 g) and coir dust (9.182 ± 0.17 g) containing mixtures. A yield of 25.054 ± 5.18 g was recorded for A. polytricha in the medium prepared from banana leaves and sawdust (rubber) substrate was preferred by L. squarrosulus with a significantly higher yield of 54.079 ± 3.61 g.Key words -alternative substrates -banana leaves -coconut leaves -mushroom yield -mycelial growth IntroductionEdible mushrooms are the earliest form of microbial food known to mankind. They have gained wide popularity during recent times as "functional food" to complement and supplement a healthy diet as well as for their significant role in human disease control (Chang 1999, Khan et al. 2009).

Implementation of RDBMS in Establishing a Digital Repository for Schizophyllum Commune (Kurakding) Regional Knowledge

“…Schizophyllum commune is an edible mushroom that is also proven to be medicinally important [1]. It is a widely widespread wood-decaying basidiomycete regarded as a high-value agricultural product.…”

Isolation and Study on Pure Culture of Wild Edible Mushrooms Collected From Provinces in the Southeast Region of Viet Nam

“…According to Diego (2017), sawdust, cottonseed hulls, ground corncobs, and straw supplemented with rice bran, wheat bran, corn brain, millet, corns and sorghum meal are common ingredients in mushroom cultivation [20]. The wood sawdust is more suitable for mushroom cultivation than other agricultural waste materials such as coconut leaves, banana leaves, rice straw, coconut coir dust, and bagasse [21]. In Viet Nam, rubber wood sawdust is cheap material and available since rubber wood is one the major sources of wood processing industry.…”