Field potential of Trichogrammatoidea bactrae Nagaraja as an egg parasitiod against pink bollworm, Pectinophora gossypiella (Saunders) in cotton

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Authors

  • Regional Agricultural Research Station, Lam, Guntur–522034, Andhra Pradesh ,IN
  • Regional Agricultural Research Station, Lam, Guntur–522034, Andhra Pradesh ,IN

DOI:

https://doi.org/10.18311/jbc/2020/25442

Keywords:

Cotton, egg parasitoid, pink bollworm, Tr. bactrae
Insect pest control

Abstract

An experiment was conducted at Regional Agricultural Research Station, Lam, Guntur to evaluate the field efficacy of an egg parasitoid, Trichogrammatoidea bactrae Nagaraja through inundative releases against pink bollworm, Pectinophora gossypiella (Saunders) in cotton for two successive seasons, during kharif 2016–17 and 2017–18. The mean larval incidence of pink bollworm was significantly lower in T. bactrae released plots with significant reduction in green boll damage and locule damage than untreated control, but significantly higher as compared to insecticide treated plots. Results suggest that the inundative release of T. bactrae achieved sizeable control of pink bollworm, hence it can be integrated with other control measures for sustainable management of pink bollworm.

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Published

2021-02-11

How to Cite

M. S., M., & N. V. V. S. D., P. (2021). Field potential of <i>Trichogrammatoidea bactrae</i> Nagaraja as an egg parasitiod against pink bollworm, <i>Pectinophora gossypiella</i> (Saunders) in cotton. Journal of Biological Control, 34(3), 223–226. https://doi.org/10.18311/jbc/2020/25442

Issue

Section

Research Notes
Received 2020-06-06
Accepted 2021-01-05
Published 2021-02-11

 

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