Role of Trichogramma chilonis in the management of Plutella xylostella in Cabbage under Manipur condition

Authors

  • Lakshmi Jidung Department of Entomology, College of Agriculture, Central Agricultural University, Imphal, India, 795004
  • Shravan M Haldhar Department of Entomology, College of Agriculture, Central Agricultural University, Imphal, India, 795004
  • Kh Ibohal Singh Department of Entomology, College of Agriculture, Central Agricultural University, Imphal, India, 795004
  • Gopi Mohan Singh Department of Entomology, College of Agriculture, Central Agricultural University, Imphal, India, 795004
  • L N K Singh Department of Entomology, College of Agriculture, Central Agricultural University, Imphal, India, 795004
  • S Saravanan Department of Entomology, College of Agriculture, Central Agricultural University, Imphal, India, 795004

DOI:

https://doi.org/10.5958/2582-2683.2023.00027.8

Keywords:

Trichogramma chilonis, Corcyra cephalonica, Plutella xylostella, developmental period, adult longevity, parasitism, emergence, temperature, malathion

Abstract

of Agriculture, CAU, Imphal during November- March, 2021-22 revealed that the optimum release dosage of T. chilonis on diamond/back moth (DBM) eggs in 100:5 host parasitoid ratio accounted for highest per cent parasitization (83.6%) as against lowest per cent parasitization (40.6%) at 100:1 host parasitoid ratio. The results also revealed that parasitoid emergence increased with the increase in parasitoid number and maximum adult emergence (98.6%) was observed from 100:20 ratio indicating emergence of more than one adult from a single egg. Two release of T. chilonis @ 5 adults plant-1 twice (2 and 5 days after DBM moth release) was found to be most effective treatment followed by combined application with malathion i.e. T. chilonis @ 5 adults plant-1 once + one spray of malathion (1 ml l-1) against the pest recording lowest larval population of 4.6 and 6.55 per plant, respectively. The results indicated that T. chilonis is a very efficient parasitoid in suppression of cabbage DBM (Plutella xylostella) under Manipur condition and can be explored as a potential bio control agent against lepidopterous insect pests of agricultural importance. 

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References

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Published

2023-06-01

Issue

Vol. 18 No. 1 (2023): Journal of Eco-Friendly Agriculture (Jan-Jun) 2023

Section

Articles

How to Cite

Jidung, L., Haldhar, S.M., Ibohal Singh, K., Mohan Singh, G., Singh , L.N.K., & Saravanan, S. (2023). Role of Trichogramma chilonis in the management of Plutella xylostella in Cabbage under Manipur condition . Journal of Eco-Friendly Agriculture, 18(1), 156–160. https://doi.org/10.5958/2582-2683.2023.00027.8
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