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volume 39 issue 1 (march 2005) : 47 - 51

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

S
Swarnali Bhattacharya
A
Aniruddha Pramanik
1Department of Agricultural Entomology, Uttar Banga KrishiViswavidyalaya, Pundibari, Cooch Behar, West Bengal- 736 165, India

  • Submitted|

  • First Online |

  • doi

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

    REFERENCES

    1. Biswas, S. eta/. (1994). J. EcotoxicoJ. Environ. Monitor., 4: 3-4.
    2. Chatterjee, H. and Senapati, S.K (2000). Pestology., 24(7): 52.
    3. Dabi, R.K. et al. (1988). Indian J. Ent., 50: 28-31.
    4. Dulmage, H.T. (1981). In: Microbial Control of Pests and Plant Diseases. 1970-80 (H.D. Burges ed.) Academic Press,
    5. New York: 35.
    6. ! Haque, MA (1977). Bangladesh J. Ent., 7: 55-60.
    7. t: Usansky, S. (1989). Chern. Ind., 15: 478-482.
    8. [McDonald, D. (1991).Int. Pest. Cont., 33(2): 33-35.
    9. [ Muragan, M. and Ramachandran, K. (2000). Pestology., 29(1): 12.
    10. . Pawar.V.M. and Charati. S.N. (2000). Pestology., 24(4): 14-15.
    11. Pramanlk, A. et a/. (2000). J. Ent. Res., 24: 91-95.
    12. Pramanlk, A. and Somchoudhury, AK (2002). Adv. PI. Sci., 15(1): 15.
    13. Singh, C.P. (1999). Pestology., 23(9): 54-56.
    14. Starnes, R.L. et a/. (1993). Ann. Ent., 39(2): 83-91.
    15. Vadodaria, M.P. et a/. (1999). Pestology., 23(12): 14.
    16. Zaz, G.M. (1990). Indian J. PI. Prot., 18(1): 85-88.
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    Indian Journal of Agricultural Research
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      volume 39 issue 1 (march 2005) : 47 - 51

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

      S
      Swarnali Bhattacharya
      A
      Aniruddha Pramanik
      1Department of Agricultural Entomology, Uttar Banga KrishiViswavidyalaya, Pundibari, Cooch Behar, West Bengal- 736 165, India

      • Submitted|

      • First Online |

      • doi

      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

        REFERENCES

        1. Biswas, S. eta/. (1994). J. EcotoxicoJ. Environ. Monitor., 4: 3-4.
        2. Chatterjee, H. and Senapati, S.K (2000). Pestology., 24(7): 52.
        3. Dabi, R.K. et al. (1988). Indian J. Ent., 50: 28-31.
        4. Dulmage, H.T. (1981). In: Microbial Control of Pests and Plant Diseases. 1970-80 (H.D. Burges ed.) Academic Press,
        5. New York: 35.
        6. ! Haque, MA (1977). Bangladesh J. Ent., 7: 55-60.
        7. t: Usansky, S. (1989). Chern. Ind., 15: 478-482.
        8. [McDonald, D. (1991).Int. Pest. Cont., 33(2): 33-35.
        9. [ Muragan, M. and Ramachandran, K. (2000). Pestology., 29(1): 12.
        10. . Pawar.V.M. and Charati. S.N. (2000). Pestology., 24(4): 14-15.
        11. Pramanlk, A. et a/. (2000). J. Ent. Res., 24: 91-95.
        12. Pramanlk, A. and Somchoudhury, AK (2002). Adv. PI. Sci., 15(1): 15.
        13. Singh, C.P. (1999). Pestology., 23(9): 54-56.
        14. Starnes, R.L. et a/. (1993). Ann. Ent., 39(2): 83-91.
        15. Vadodaria, M.P. et a/. (1999). Pestology., 23(12): 14.
        16. Zaz, G.M. (1990). Indian J. PI. Prot., 18(1): 85-88.
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