Field evaluation of Bt 127SC formulation for efficacy against Lepidopteran larvae infesting soybean under Manipur conditions

Field evaluation of Bt 127SC formulation for efficacy against Lepidopteran larvae infesting soybean under Manipur conditions


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Authors

  • NILIMA KARAM College Of Agriculture, Central Agricultural University, Imphal
  • H NANITA DEVI College Of Agriculture, Central Agricultural University, Imphal
  • T SUNANDA DEVI College Of Agriculture, Central Agricultural University, Imphal
  • L SOPHIA DEVI College Of Agriculture, Central Agricultural University, Imphal

https://doi.org/10.56739/jor.v40iSpecialissue.145305

Keywords:

Bt 127SC formulation, Bihar hairy caterpillar, Bean leaf webber, Lepidopteran defoliators

Abstract

Bt 127 SC formulation supplied by the Indian Institute of Oilseeds Research, Hyderabad was field tested at Imphal (Manipur) during kharif 2018 - 2020 against lepidopteran larvae infesting soybean.Two spray applications of Bt 127 SC formulation @ 3 ml/litre of water was observed to be less superior to commercial synthetic insecticides but at par with Bt commercial delfin in reducing bihar hairy caterpillar (BHC) and bean leaf webber and comparatively similar in efficacy with the synthetic insecticides in reducing tobacco caterpillar.

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References

Azadthakur, N.S., Firake, D.M., Behere, G.T., Firake, P.D. and Saikia, K. (1987). Biodiversity of agriculturally important insects in North eastern Himalaya: An overview. Indian J. Hill Fmng, 25(2): 37 - 40.

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Submitted

2023-11-15

Published

2023-12-14

How to Cite

NILIMA KARAM, H NANITA DEVI, T SUNANDA DEVI, & L SOPHIA DEVI. (2023). Field evaluation of Bt 127SC formulation for efficacy against Lepidopteran larvae infesting soybean under Manipur conditions: Field evaluation of Bt 127SC formulation for efficacy against Lepidopteran larvae infesting soybean under Manipur conditions. Journal of Oilseeds Research, 40(Specialissue). https://doi.org/10.56739/jor.v40iSpecialissue.145305