LAUSR

ABSTRACT Gas chromatography and gas chromatography–flame ionization detector analysis of essential oil of Coriandrum sativum fruit showed a high percentage of linalool (79.22%) γ-terpinene (6.26%), camphor (2.63%), α-pinene (2.32%), geranyl acetate (1.75%), and p-cymene (1.70%). Significant differences in insect mortality were observed within insect species, oil concentrations, and exposure time. Fumigant treatments have shown that three insect mortality rate increased with the increase in essential oils concentration. Complete insect mortality was detected at the highest concentration within 24 h of exposure for the single compound against Tribolium castaneum and Lasioderma serricorne. Probit analysis showed that LC50 values of coriander essential oil against L. serricorne than Sitophilus oryzae and T. castaneum were 5.25 µL/L air, and 145.49 µL/L air and 276.29 µL/L air, respectively. Among the test compound, linalool demonstrated strong fumigant toxicity against L. serricorne. These result could be important in order to the efficacy of essential oil of coriander and could be potential for use in the insecticidal activities.