… Essential oils (EOs) have gained increasing interest as a low-toxic, eco-friendly alternative
… insect pests. However, they have scarce practical application in the protection of stored grain …

… insect growth regulators (Weaver and Subramanyam, 2000). These studies showed that
essential oils … biological activities of essentials oils against insect pest of stored grains, and their …

… The toxicity of essential oils varied with insect species and insect stage. The oil of H. … The
contact toxicity of the three essential oils was not reported before against the test insects. In the …

… of essential oils on major pests : All the essential oils obtained had not exhibit toxicity towards
insects. Bio … Essential oils acts on insects through their aroma compounds which are highly …

… oils in pest control (Isman 2000). Although much work has been or is being done using
essential oil … -grain insects using various bioassays designed to meet the objectives of the study. …

… The insects Sitophilus zeamais and Tribolium castaneum cause losses in stored grains and
… In the present study, we evaluated the toxicity and repellency of essential oils of different …

… The repellency of both insect pests increased with concentration … essential oils which were
extracted from these two medicinal plants leaves have more repellency against both insect …

… Desirable fumigants need to have low adsorption on grain as well as high toxicity to target
insects. Our results showed that 5 essential oils were 3 and 4 times less toxic (in terms of …

… In Africa, EOs have traditionally been used by small farmers to protect stored grains from
insect pests. Inspired by the traditional practices in Guinea, extracts of four West African plant …

… Effect of concentrations of each essential oil on mortality of test insects was found significant
(T. … Overall mean mortality of essential oils against all test insects at 5 ĩl/L concentration …