Evaluation of plant derived products and bioinsecticides on yield potential of Agaricus bisporus
2022
Simran, | Sharma, Shivani | Sodhi, H. S.
Agaricus bisporus (Imbach) is a commonly cultivated edible variety in the world, which possesses an ability to grow on agricultural wastes. The present study deals with the use of pre botanical insecticides such as neem leaf extract, natural vinegar, castor leaf extract and two biological insecticides such as Bacillus thuringiensis and Beauveria bassiana to study their effect on mycelial growth of A. bisporus on Potato Dextrose Agar medium and wheat straw based compost. Maximum growth of 55mm and 29mm was recorded with neem leaf extract on PDA and compost, respectively. However, natural vinegar and Bacillus thuringiensis also showed significant mycelial run on PDA as well as compost. The supplementation of neem leaf extract @1.5% showed significantly improved yield potential 43.40% and increased number of fruit bodies 37.55%. In case of castor leaf extract (0.5 to 4.5% w/w), supplementation @ 4.5% (w/w) showed an increase of 23.22% in yield of button mushroom. An increase upto 20.23% and 46.42% in yield and fruit bodies was observed when natural vinegar was supplemented @ 2.5%. Bacillus thuringiensis var. kurstaki commercial formulation Dipel-8L supplementation @2.5% showed maximum yield potential of 33.96%. Similarly, Beauveria bassiana commercial formulation Biojaal 1.15% SC on supplementation @0.5-4.5% (v/w) in compost has significantly improved the yield upto 14.44% and 12.62% when Beauveria bassiana was supplemented @1.5% and 0.5% at the time of spawning. It was concluded from our study that plant-derived products can be recommended to substitute the synthetic chemicals in the commercial production of edible mushrooms.
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