EFFICACY OF TEMEPHOS AND DIFLUBENZURON USE IN MALARIA VECTOR LARVAE CONTROL
Journal Title: World Journal of Advance Healthcare Research - Year 2018, Vol 2, Issue 5
Abstract
The present study was undertaken to evaluate the efficacy of Temephos 1ppm EC with an application rate of 1 ppm and Diflubenzuron 25% WP with an application rate of a 1, 0.5, 0.25 and 0.125 g/m2 respectively, against larvae of Anopheles and Culex species under field conditions in Soba area. The efficacy of Temephos and Diflubenzuron was determined using WHO standard procedures.The percentage of reduction in larval density was calculated using Mulla's formula. More than 80% reduction in larval density of Anopheles and Culex mosquites was given by Temephos 50% EC with an application rate of 1 ppm. The larval protection period given by this compound was 9 days. Diflubenzuron gave more than 80% emergence inhibition at 1 and.0.5 g/m2 dose. The larval protection period at this doses was 7 days. The study revealed that there was no significant increase in the residual activity of Diflubenzuron WP at the two rate of dose 1g/m2 and 0.5 g/m2 dose. (p>0.05). More work is needed to identify suitable larvicides with longer larval control periods.
Authors and Affiliations
Mohamed Osman Elamin
Keywords
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