Abstract
Abstract Substrate type is an important factor determining growth and yield of oyster mushroom. Five different substrates namely rice straw, maize husks, banana leaves, fingermillet husk and mixture of rice straw & black gram pod shell (1:1) were evaluated for the yield and related attributes of Pleurotus ostreatus . Standard cultivation practice was followed with steam sterilization and spawning was done on 575 g of substrate in individual poly-bag. The data of three flushes were recorded. Our results revealed that full spawn run completed earlier (18.57 days) in fingermillet husk as compared to any other tested substrates. The highest total quantity yield was obtained in fingermillet husk (1024.57 g/bag) and rice straw (956.14 g/bag) with corresponding biological efficiency 178.19% and 166.29% respectively which were significantly higher than all other treatments. The cropping duration was significantly higher in maize husks and banana leaves as compared to rest of three treatments viz. fingermillet husk, rice straw and mixture of rice straw and black gram pod shell (1:1). These three treatments were not statistically different for cropping duration with each other. Considering the biological efficiency and earliness of crop the performance of fingermillet husk, followed by rice straw was found to be better.
Highlights
Oyster mushroom (Pleurotus species) is an edible, saprophytic and lignocellulolytic type of fungus belonging to the class Agaricomycetes, order Agaricales and family Pleurotaceae
The results obtained from the studies on use of different substrates for the cultivation of Pleurotus ostreatus in the growth performance and yield is presented in the tables and discussed below
From the present study it is confirmed that oyster mushroom (Pleurotus ostreatus) can be cultivated on rice straw, maize husks, banana leaves, fingermillet husk and mixture of rice straw & black gram pod (1:1)
Summary
Oyster mushroom (Pleurotus species) is an edible, saprophytic and lignocellulolytic type of fungus belonging to the class Agaricomycetes, order Agaricales and family Pleurotaceae. It is the second widely cultivated mushroom following the Agaricus bisporus in the world (Sachez 2010). There are over 70 species of oyster mushroom been discovered (Kong 2004) and still there are lots to explore. Pleurotus ostreatus is the most popular species of oyster mushroom found in Nepal. Pleurotus species can efficiently degrade agricultural byproducts and can grow on wide range of agricultural wastes. There are a range of wastes that can be used for oyster mushroom cultivation, but it depends on the basis of availability of the substrate and its cost
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