Comparative evaluation of different bacterial bioformulations against wet bubble disease in Agaricus bisporus
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Authors
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Shweta Sharma
ICAR-Directorate Mushroom Research, Chambaghat, Solan-173213 (HP)
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Ved Prakhash Sharma
ICAR-Directorate Mushroom Research, Chambaghat, Solan-173213 (HP)
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Satish Kumar
ICAR-Directorate Mushroom Research, Chambaghat, Solan-173213 (HP)
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Vrushali Deshmukh
ICAR-Directorate Mushroom Research, Chambaghat, Solan-173213 (HP)
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Shwet Kamal
ICAR-Directorate Mushroom Research, Chambaghat, Solan-173213 (HP)
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Anil Kumar
Abstract
Mushrooms as one of the agricultural products are in the center of public attention in production, nutrition and income points of view and their cultivation and production are increasing day by day around the world. Mushrooms like other agricultural products are susceptible to some dangerous diseases such as wet bubble (Mycogone perniciosa). As the pathogen inflicts serious damage to the crop, various attempts have been made to manage the disease through various means. Present study conducted to evaluate different bacterial bioformulations for the management of wet bubble disease in  A. bisporus. Four bacterial cultures i.e. 9A (Actinomycetes sp.), 1A (Bacillus sp), 5B (Streptomycetes sp.) and AMO (Alcaligenes sp.) were isolated from compost were used for preparation of bioformulations with talc powder, cocopeat, compost and casing soil. Among these talc based formulation of Bacillus sp. was found best having shelf life (5×104cfug-1) after 150days followed by Alcaligenes sp. (3×104cfug-1). Maximum shelf life was found in talc based followed by coccopeat and casing soil and minimum was in compost based formulation. These bioformulations were further evaluated for their efficacy to control the wet bubble in Agaricus bisporus. Out of four bioformulations talc and coccopeat based formulation were found best to control wet bubble. Three bacterial isolates Bacillus sp., Alcaligenes sp.  and Actinomycetes sp. proved to be very promising bio control agents for the management of wet bubble disease under mushroom house conditions.
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