Abstract
An experiment was conducted at Rampur, Chitwan, Nepal to find out the growth and yield performance of oyster mushroom (Pleurotus ostreatus) in Completely Randomized Design (CRD).The treatment includes the four different substrate i.e. paddy straw (100%), maize cob+ paddy straw (1:1), sugarcane bagasses+paddy straw (1:1) and sawdust+ paddy straw (1:1). The parameters taken for the observation during the experiment were colonization period, fruit initiation period, length of stalk, diameter of stalk, diameter of pileus, fresh weight of the first and second flush of mushroom and also the biological efficiency (BE) of various substrates. Among the used substrates, the time for colonization and fruit initiation was found to be shorter in case of the paddy straw i.e.18.25 days and 21.75 days respectively. However, the length of stalk was highest in sugarcane bagasses+paddy straw (1:1) i.e.6.10 cm, but the diameter of stalk and pileus were highest in paddy straw i.e.0.80 cm and 7.90 cm respectively. Similarly, the biological efficiency was found to be highest in case of the paddy straw (96.29688%) followed by maize cob+paddy straw (1:1), sugarcane bagasses+ paddy straw (1:1) and sawdust+ paddy straw (1:1) respectively.Int. J. Appl. Sci. Biotechnol. Vol 6(3): 215-219
Highlights
Mushrooms are one kind of edible fungi belonging to the genus Pleurotus under the class Basidiomycetes (Mondal et al 2010)
Experimental Sites and Design The experiment was conducted on the mushroom (Pleurotus ostreatus) in the green house of Agriculture and Forestry University, Chitwan, Nepal
The period for spawn running was ranged from 18.25-20.5 days in our experiment which was similar to the study carried out by Ahmed (1998), who reported spawn running of P. ostreatus completed within 17–20 days on different substrates
Summary
Mushrooms are one kind of edible fungi belonging to the genus Pleurotus under the class Basidiomycetes (Mondal et al 2010). The most important cultivated species is Pleurotus ostreatus, being easier to cultivate, favorable to eat, and grow economically on different kinds of organic waste raw material (Kong, 2004). The experiment was conducted on rice straw and banana leaves at various compositions with a view to determine the cheapest substrate with best yield performance (Mondal et al, 2010) These mushroom substrates must be adjusted to a pH range of 6 to 8 by adding gypsum (Kong, 2004). Oyster mushroom naturally grows in the forest and since the forest light is bluish, fluorescent light can be used for lighting (Kong, 2004)
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