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Relative Efficacy of Some Chitin Synthesis Inhibitors on the Mortality of Okra Jassid, Amrasca biguttula biguttula (Ishida)

Received: 22 January 2023     Accepted: 2 March 2023     Published: 15 March 2023
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Abstract

In this laboratory study, three chitin synthesis inhibitors (CSIs) viz. Tacoma 40SC (Buprofezin), Heron 5EC (Lufenuron) and Pyrifen 10.8EC (Pyriproxifen) were evaluated with three concentrations of each through different application methods viz. direct or topical, indirect or leaf-dip and combined (Direct + Indirect). Data on jassids mortality was collected at 3 and 7 days after treatment (DAT) application. Our present study showed that all of the CSIs had significant effect on the mortality of jassid. In all cases, mortality was clearly dose, time and application method dependent. It has been seen that higher concentrations were found to be more effective than lower concentrations. Moreover, significant level of mortality was found at 3DAT but reached to the peak level at 7DAT in case of all selected CSIs. Bioassay study has showed that all the selected CSIs became able to enter the insect body through contact as well as stomach action to disrupt moulting process by inhibiting chitin synthesis that confirmed the contact and systemic actions of the selected CSIs. Moreover, protocols developed in this study for jassids collection and their safe transferring inside the petridishes would be a useful and convenient approach for the researchers.

Published in American Journal of Entomology (Volume 7, Issue 1)
DOI 10.11648/j.aje.20230701.14
Page(s) 23-29
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2023. Published by Science Publishing Group

Keywords

Chitin Synthesis Inhibitor, Elucidation, Mortality, Okra Jassids, Efficacy

References
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Cite This Article
  • APA Style

    Joyosree Joarder, Md. Niaz Morshed, Gopal Das. (2023). Relative Efficacy of Some Chitin Synthesis Inhibitors on the Mortality of Okra Jassid, Amrasca biguttula biguttula (Ishida). American Journal of Entomology, 7(1), 23-29. https://doi.org/10.11648/j.aje.20230701.14

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    ACS Style

    Joyosree Joarder; Md. Niaz Morshed; Gopal Das. Relative Efficacy of Some Chitin Synthesis Inhibitors on the Mortality of Okra Jassid, Amrasca biguttula biguttula (Ishida). Am. J. Entomol. 2023, 7(1), 23-29. doi: 10.11648/j.aje.20230701.14

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    AMA Style

    Joyosree Joarder, Md. Niaz Morshed, Gopal Das. Relative Efficacy of Some Chitin Synthesis Inhibitors on the Mortality of Okra Jassid, Amrasca biguttula biguttula (Ishida). Am J Entomol. 2023;7(1):23-29. doi: 10.11648/j.aje.20230701.14

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  • @article{10.11648/j.aje.20230701.14,
      author = {Joyosree Joarder and Md. Niaz Morshed and Gopal Das},
      title = {Relative Efficacy of Some Chitin Synthesis Inhibitors on the Mortality of Okra Jassid, Amrasca biguttula biguttula (Ishida)},
      journal = {American Journal of Entomology},
      volume = {7},
      number = {1},
      pages = {23-29},
      doi = {10.11648/j.aje.20230701.14},
      url = {https://doi.org/10.11648/j.aje.20230701.14},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aje.20230701.14},
      abstract = {In this laboratory study, three chitin synthesis inhibitors (CSIs) viz. Tacoma 40SC (Buprofezin), Heron 5EC (Lufenuron) and Pyrifen 10.8EC (Pyriproxifen) were evaluated with three concentrations of each through different application methods viz. direct or topical, indirect or leaf-dip and combined (Direct + Indirect). Data on jassids mortality was collected at 3 and 7 days after treatment (DAT) application. Our present study showed that all of the CSIs had significant effect on the mortality of jassid. In all cases, mortality was clearly dose, time and application method dependent. It has been seen that higher concentrations were found to be more effective than lower concentrations. Moreover, significant level of mortality was found at 3DAT but reached to the peak level at 7DAT in case of all selected CSIs. Bioassay study has showed that all the selected CSIs became able to enter the insect body through contact as well as stomach action to disrupt moulting process by inhibiting chitin synthesis that confirmed the contact and systemic actions of the selected CSIs. Moreover, protocols developed in this study for jassids collection and their safe transferring inside the petridishes would be a useful and convenient approach for the researchers.},
     year = {2023}
    }
    

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  • TY  - JOUR
    T1  - Relative Efficacy of Some Chitin Synthesis Inhibitors on the Mortality of Okra Jassid, Amrasca biguttula biguttula (Ishida)
    AU  - Joyosree Joarder
    AU  - Md. Niaz Morshed
    AU  - Gopal Das
    Y1  - 2023/03/15
    PY  - 2023
    N1  - https://doi.org/10.11648/j.aje.20230701.14
    DO  - 10.11648/j.aje.20230701.14
    T2  - American Journal of Entomology
    JF  - American Journal of Entomology
    JO  - American Journal of Entomology
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    EP  - 29
    PB  - Science Publishing Group
    SN  - 2640-0537
    UR  - https://doi.org/10.11648/j.aje.20230701.14
    AB  - In this laboratory study, three chitin synthesis inhibitors (CSIs) viz. Tacoma 40SC (Buprofezin), Heron 5EC (Lufenuron) and Pyrifen 10.8EC (Pyriproxifen) were evaluated with three concentrations of each through different application methods viz. direct or topical, indirect or leaf-dip and combined (Direct + Indirect). Data on jassids mortality was collected at 3 and 7 days after treatment (DAT) application. Our present study showed that all of the CSIs had significant effect on the mortality of jassid. In all cases, mortality was clearly dose, time and application method dependent. It has been seen that higher concentrations were found to be more effective than lower concentrations. Moreover, significant level of mortality was found at 3DAT but reached to the peak level at 7DAT in case of all selected CSIs. Bioassay study has showed that all the selected CSIs became able to enter the insect body through contact as well as stomach action to disrupt moulting process by inhibiting chitin synthesis that confirmed the contact and systemic actions of the selected CSIs. Moreover, protocols developed in this study for jassids collection and their safe transferring inside the petridishes would be a useful and convenient approach for the researchers.
    VL  - 7
    IS  - 1
    ER  - 

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Author Information
  • Department of Entomology, Bangladesh Agricultural University, Mymensingh, Bangladesh

  • Adaptive Research Division, Bangladesh Rice Research Institute (BRRI), Gazipur, Bangladesh

  • Department of Entomology, Bangladesh Agricultural University, Mymensingh, Bangladesh

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