Abstract
The toxicity of different doses (3, 4, 5, 6 and 7 percent) of Acorus calamus essential oil, against insect pest Sitophilus oryzae were evaluated in the laboratory of Division of Entomology, FoA, Wadura, SKUAST-Kashmir during the year 2022. The various concentrations of Acorus calamus essential oil had significant effect on mortality of Sitophilus Oryzae. The highest mortality of 74.27 percent was recorded in 70 µl concentration of Acorus calamus essential oil on 12 Hours After Treatment (HAT) followed by 60 (71.01%), 50 (67.15%) and 40 (39.11%) µl concentration while untreated control recorded 5.13 percent mortality respectively. However, on 24 HAT the cumulative mortality increased to 76.35 in 70µl, 74.11 in 60 and 50 µl, 43.01 in 40 µl concentration. On 72 HAT the concentrations of 70, 60 and 50 µl recorded 94.11, 91.27 and 90.11 percent mortality respectively, while only 7.05 percent mortality was recorded in untreated control.
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