Assessing the Radiation Hormesis on the Reproductive Behaviour of Male Spodoptera litura (F.) Treated with Low Dose Ionizing Radiation in the Pre-imaginal Stages

Authors

  • Neha Vimal Applied Entomology and Radiation Biology Unit, Department of Zoology, University of Delhi, Delhi 110007
  • Madhumita Sengupta Applied Entomology and Radiation Biology Unit, Department of Zoology, University of Delhi, Delhi 110007
  • Nilza Angmo Applied Entomology and Radiation Biology Unit, Department of Zoology, University of Delhi, Delhi 110007
  • R. K. Seth Applied Entomology and Radiation Biology Unit, Department of Zoology, University of Delhi, Delhi 110007

DOI:

https://doi.org/10.55446/IJE.2022.692

Keywords:

Spodoptera litura, male hormesis, low dose ionizing radiation (LDIR), sterile insect technique (SIT), F1 sterility, preimaginal stage, reproductive behaviour

Abstract

The quality of the mass reared insects plays a crucial role in effective operation of radiation mediated inherited sterility (IS) programme, proposed to suppress the lepidopteran pest Spodoptera litura (F.). In this context, the low dose of ionizing radiation (LDIR) was assessed to have any stimulatory effect on the reproductive behaviour of male moths treated as 0-1 day old egg, third instar larva (L3) or 2-3 days old pupa. Radiation hormesis was observed in the mating success of males treated at 0.75 Gy and 1 Gy in both egg and L3 stages. Invitro sperm activation assay indicated more sperm activity during peak plateau phase in moths derived from treated egg (0.75Gy, 1 Gy) and treated L3 (1 Gy). These findings implicit beneficial effect on sperm activity and mating success of male S. litura, which might further improve mating competitiveness of male moths to be used in IS technique.

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Published

2022-08-29

How to Cite

Vimal, N., Sengupta, M., Angmo, N., & Seth, R. K. (2022). Assessing the Radiation Hormesis on the Reproductive Behaviour of Male <i>Spodoptera litura</i> (F.) Treated with Low Dose Ionizing Radiation in the Pre-imaginal Stages. Indian Journal of Entomology, 85(1), 103–108. https://doi.org/10.55446/IJE.2022.692

Issue

Section

Research Articles

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