2006•Pest Management in Horticultural EcosystemsOpen access
Effect of cypermethrin on the orientation of brinjal shoot and fruit borer, Leucinodes orbonalis Guen. males to synthetic sex pheromone
N. K. Krishna Kumar, C. M. Kalleshwaraswamy, B Krishna Kumari, H. R. Ranganath
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Abstract
One preliminary and two large scale field experiments were conducted to study the effect of Cypennethrin 25EC (0,05%) and Neem Seed Kernel Extract (NSKE 4%) on the attraction of brinjal shoot and fmit borer (BSFB), Leucinodes orbonalis Guen. to synthetic sex pheromone. Results indicated reduced catches in cyperrnethrin sprayed plots (0.04 ± O. I I and 0.06 ± 0.05 males/trap/night in I and II large scale experiments, respectively). Significantly more male BSFB moths were trapped in control [0.20 ± 0.31(1 large scale trial) and 0.16 ± 0.09 males/trap/night (II large scale trial)] and NSKE [0.10 ± 0.16 (I large scale trial) and 0.14 ± 0.11 males/trap/night (II large scale trial)] treated plots. Per cent borer incidence in NSKE and cypermethrin treated plots were on par.