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Vol. 11, Special Issue 5 (2022)

Bioefficacy of Bacillus thuringiensis against different instars of laboratory insects rice moth (Corcyra cephalonica) and greater wax moth (Galleria mellonella)

Author(s):
Shreya Wakde, RKS Tomar, AK Awasthi, Vinod Nirmalkar, RKS Tiwari and Archana Kerketta
Abstract:
The present investigation entitled “Bioefficacy of Bacillus thuringiensis against different instars of laboratory insects Rice moth (Corcyra cephalonica) and Greater wax moth (Galleria mellonella)” was carried out in Entomology and Plant Pathology section, Barrister Thakur Chhedilal College of Agriculture and Research Station (BTC CARS), Bilaspur (C.G.) with aim to study the efficacy of Bacillus thuringiensis var. kurstaki. Bt was taken in two form of toxicity (Broth and Crystal) with four different concentration (1.5%, 5%, 10%, 15%) broth and (0.5%, 1%, 1.5%, 2%) crystal, against two instars 3rd and 4th on two laboratory reared pests viz., Corcyra cephalonica and Galleria mellonella. The mortality percentage of Corcyra cephalonica recorded highest mortality (100%) at 15% concentration of broth and 2% crystal formulation against both the 3rd and 4th instar larvae at 96 hrs of inoculation, while least mortality was showed by 1.5%(63.33%) and 0.5%(66.66) respectively for broth and cry formulation of Bt, almost similar trend was also noticed in case of G. mellonella, mortality of both the 3rd and 4th instars and recorded 93.33% mortality by 15% and 2% formulation of broth and cry respectively.
Pages: 1769-1773  |  353 Views  132 Downloads
How to cite this article:
Shreya Wakde, RKS Tomar, AK Awasthi, Vinod Nirmalkar, RKS Tiwari and Archana Kerketta. Bioefficacy of Bacillus thuringiensis against different instars of laboratory insects rice moth (Corcyra cephalonica) and greater wax moth (Galleria mellonella). The Pharma Innovation Journal. 2022; 11(5S): 1769-1773.

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