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October 10, 2025Scientific ReportsOpen Access

Fitness costs and biological adaptability of Cry toxin-resistant field strains of Pink bollworm, Pectinophora Gossypiella (Saunders) from India

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Authors

SRS. RakheshSUS. S. UdikeriCVChinna Babu Naik V.

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Overview

Analysis shows varied biological fitness in pink bollworm strains under cry toxin exposure, indicating resistance implications.

Key Points

  • Higher cry toxin concentrations negatively affect biological fitness in pink bollworm, including reduced fecundity and prolonged development.
  • The lowest fitness costs were observed in highly resistant strains at lower toxin levels, with susceptible strains showing the highest mortality rates.
  • Susceptible strains exhibited superior survival rates and development under non-stress conditions compared to resistant strains.
  • Overall fitness costs were strongly associated with larval survival and adult emergence, emphasizing resistance trade-offs.

Cite This Study

Rakhesh et al. (2025) studied this question.

synapsesocial.com/papers/68e861b07ef2f04ca37e4993https://doi.org/10.1038/s41598-025-12042-2
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  5. 5Biological Control Strategies for the Pink Bollworm (Pectinophora gossypiella) in Cotton (Gossypium spp.)2025