Indian Journal of Agricultural Research, volume 39 issue 1 (march 2005) : 47 - 51

STUDIES ON DIFFERENT ASPECTS OF EffiCACY OF SOME COMMERCIAL MICROBIAL PESTICIDES AGAINST DIACRlSIA OBUQUA ON JUTE

Swarnali Bhattacharya, Aniruddha Pramanik

Affiliations

¹Department of Agricultural Entomology, Uttar Banga KrishiViswavidyalaya, Pundibari, Cooch Behar, West Bengal- 736 165, India

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Cite article:- Bhattacharya Swarnali, Pramanik Aniruddha (2025). STUDIES ON DIFFERENT ASPECTS OF EffiCACY OF SOME COMMERCIAL MICROBIAL PESTICIDES AGAINST DIACRlSIA OBUQUA ON JUTE. Indian Journal of Agricultural Research. 39(1): 47 - 51. doi: .

ABSTRACT

The laboratory investigation was carried out on 2 nd instar larvae of Diacrisia obliqua with two commercial microbial pesticides viz., Btk 55000 SU/mg and avermectin 1.8% w/v separately and in combination with different synthetic insecticides. Among the microbials avermectio @ 0.0018% and Btk @ 0.2% provided 100 and 80% mortality after 48 h of treatment respectively. However, at 96 h after treatment Btk@ 0.2% gave the highest mortality of 93.33% being significantly superior to all other treatments except endosulfan @ 0.052%, monocrotophos 0.04%, acetamiprid 0.002%, dichlorvos @ 0.057% and avermectin 0.0018%. Thus, both the microbial pesticides Btk and avermectin are effective in control of the pest. The best result in the joint effect with different insecticides revealed that Btk (0.1%) with endosulfan (0.026%) mixture, Btk (0.1%) and acetamlprid (0.001%) mixture provided 100% initial larval mortality. Whereas avermectin In combination with the synthetic insecticides provided initial 100% larval mortality in all the treatments except cartap hydrochloride combination.

KEYWORDS

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STUDIES ON DIFFERENT ASPECTS OF EffiCACY OF SOME COMMERCIAL MICROBIAL PESTICIDES AGAINST DIACRlSIA OBUQUA ON JUTE

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KEYWORDS

REFERENCES

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