Effect of Low Temperature Storage on the Efficiency of Three Species of Trichogrammatids

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Authors

  • Department of Entomology, Punjab Agricultural University, Ludhiana, 141 004, Punjab ,IN
  • Department of Entomology, Punjab Agricultural University, Ludhiana, 141 004, Punjab ,IN
  • Department of Entomology, Punjab Agricultural University, Ludhiana, 141 004, Punjab ,IN

DOI:

https://doi.org/10.18311/jbc/2005/15057

Keywords:

Emergence, Parasitization Efficiency, Storage, Trichogrammatids.

Abstract

The effect of low temperature (4 ± 0.5°C) and refrigerator storage on three trichogrammatids, viz Trichogramma chilonis Ishii, T. pretiosum Riley and T. brasiliense Ashmead was studied under laboratory conditions. T. chilonis and T. pretiosum can be stored for 20 days whereas T. brasiliense for 10 days without adversely affecting their emergence and parasitisation efficiency taking 60 per cent emergence and 60 per cent parasitism as standard. The emergence in 71 brasiliense reached zero per cent after 34 days of storage whereas 20.3 per cent was recorded in T. chilonis and 1S.7 per cent in T. pretiosum after 60 days of storage. T. chilonis showed the highest emergence and parasitization efficiency followed by T. pretiosum and T. brasiliense.

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Published

2005-06-15

How to Cite

Kumar, P., Shenhmar, M., & Brar, K. S. (2005). Effect of Low Temperature Storage on the Efficiency of Three Species of Trichogrammatids. Journal of Biological Control, 19(1), 17–22. https://doi.org/10.18311/jbc/2005/15057

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