Abstract
Permethrin, deltamethrin, fenvalerate and cypermethrin were evaluated for their termiticidal efficacy in a graveyard test. Semul wood, Salmalia malabaricum veneers (size 15.00 × 6.00 × 0.06 cm) were impregnated with concentrations of 0.25, 0.50 and 0.75% aqueous solution of these chemicals. Fenvalerate provided 100% protection for 44 months at all three concentrations. Cypermethrin provided 100% protection at 0.50 and 0.75% concentrations, while permethrin and deltamethrin provided 100% protection at 0.75% concentration for 7 and 10 months, respectively.
Résumé
Le perméthrine, le deltaméthrine, le fenvalerate, et le cyperméthrine ont été évalués pour leur efficacité termiticide pour tester le bois de coffrage. Des placages du bois de semul, Salmalia malabaricum (dimensions 15,00 × 6,00 × 0,06 cm) ont été imprégnés de solutions aqueuses de ces produits chimiques aux concentrations de 0,25, 0,50 et 0,75%. Le fenvalerate a donné une protection de 100% pendant 44 mois pour toutes les concentrations. Le cyperméthrine a donné 100% de protection à 0,50 et 0,75%; le perméthrine et le deltaméthrine ont donné une protection de 100% à la concentration de 0,75% pour 7 et 10 mois respectivement.
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Prasad, R., Rao, K.M. Field Evaluation of Four Synthetic Pyrethroids for their Termiticidal Efficacy. Int J Trop Insect Sci 16, 113–118 (1995). https://doi.org/10.1017/S1742758400018403
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DOI: https://doi.org/10.1017/S1742758400018403