Biological Control of Pink Boll Worm Pectinophora gossypiella (Saunders) by Trichogrammatoidea bactrae Nagaraja in Cotton


  • I. Padma Shree Department of Agricultural Entomology, Tamil Nadu Agricultural University (TNAU), Coimbatore 641003, Tamil Nadu
  • M. Muthuswami Office of the Registrar, Tamil Nadu Agricultural University (TNAU), Coimbatore 641003, Tamil Nadu
  • K. Senguttuvan Regional Research Station (TNAU), Vridhachalam 606001, Tamil Nadu
  • S. Rajeswari Department of Cotton, Tamil Nadu Agricultural University (TNAU), Coimbatore 641003, Tamil Nadu
  • N. Manikanda Boopathi Department of Plant Biotechnology, Tamil Nadu Agricultural University (TNAU), Coimbatore 641003, Tamil Nadu



Gossipium hirsutum, Pectinophora gossypiella, Trichogrammatoidea bactrae, biological control, NSKE, neem formulation, Pongamia, Jatropha, emamectin benzoate, clorantraniliprole, flubendiamide, spinosad


An experiment was conducted at the Department of Cotton, Tamil Nadu Agricultural University, Coimbatore to evaluate the field efficacy of an egg parasitoid, Trichogrammatoidea bactrae Nagaraja through inundative releases against Pectinophora gossypiella (Saunders) in cotton for two successive field trials during Kharif 2021 and 22. The parasitisation efficacy of T. bactrae was tested in the cotton ecosystem and the results revealed that the parasitism on the eggs was found be on par with that observed with NSKE 5% concentration (24.63%), neem formulation 1500 ppm 1% concentration (24.10%), Pongamia extract 5% concentration (23.13%), Jatropha extract 5% concentration (23.93%) and were found the safest to T. bactrae. The emamectin benzoate 5 SG at 190g/ ha (19.49%) and clorantraniliprole 18.5 SC at 150 mL/ ha (15.26%) were on par with each other. Results suggested that among the insecitcides tested emamectin benzoate 5 SG and chlorantraniliprole 18.5 SC were safer to T. bactrae and inundative release of T. bactrae can achieve sizeable control of P. gossypiella, hence it can be integrated with other components for IPM.


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How to Cite

Padma Shree, I., Muthuswami, M., Senguttuvan, K., Rajeswari, S., & Manikanda Boopathi, N. (2023). Biological Control of Pink Boll Worm <i>Pectinophora gossypiella</i> (Saunders) by <i>Trichogrammatoidea bactrae</i> Nagaraja in Cotton. Indian Journal of Entomology, 86(1), 192–195.



Research Communications


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