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Suppression of Population of Tribolium castaneum by IGRS in Presence of A Predator, Xylocoris flavipes

Authors:

J Ferdous ,

Institute of Biological Sciences, Rajshahi University, Rajshahi, BD
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W Islam,

Institute of Biological Sciences, Rajshahi University, Rajshahi, BD
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S Parween

Department of Zoology, Rajsahi University, Rajshahi, BD
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Abstract

Insect growth regulators (IGRs), triflumuron at concentrations of 0.001, 0.05 and 0.1ppm, and diflubenzuron at concentrations of 0.005, 0.05 and 0.01ppm in presence of 2-, 4- and 8 pairs of a predator Xylocoris flavipes Reuter, significantly(p<0.001) reduced the population of Tribolium castaneum (Herbst) in 60 days exposure period. The PRC values ranged from 55.3 (0.005ppm of diflubenzuron with 2 pairs of X. flavipes) to 84.3 (0.1ppm of triflumuron with 8 pairs of X. flavipes). IGRs have reduced the predator’s population up to maximum as 56.6% compared to the control at 0.1ppm of triflumuron when 2 pairs of predators were introduced during the same exposure time.

Keywords: T. castaneum; X. flavipes; Predator; Insect Growth Regulator; Triflumuron; Diflubenzuron

DOI: http://dx.doi.org/10.4038/tare.v13i2.3134

Tropical Agricultural Research and Extension 13(2) 2010 pp.25-28

How to Cite: Ferdous, J., Islam, W. and Parween, S., 2011. Suppression of Population of Tribolium castaneum by IGRS in Presence of A Predator, Xylocoris flavipes. Tropical Agricultural Research and Extension, 13(2), pp.21–28. DOI: http://doi.org/10.4038/tare.v13i2.3134
Published on 22 Jun 2011.
Peer Reviewed

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