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VOL. 3, ISSUE 2 (2018)
Repellent effect of some aromatic plant extracts against granary weevil Sitophilus granarius L. (Coleoptera: Curculionidae)
Authors
Mehmet Karakas
Abstract
The study was conducted in the animal physiology laboratory of the Department of Biology, Ankara University. Leaves of six aromatic plants i.e. dill (Anethum graveolens), bay (Laurus nobilis), basil (Ocimum basilicum), fennel (Foeniculum vulgare), rosemary (Rosmarinus officinalis) and hibiscus (Malve sylvestris) were extracted using acetone, ethanol and water solvents. These extracts were evaluated for their repellent effect against Sitophilus granarius L. at 3.0, 6.0, 9.0, and 12.0 % concentrations. Three replications were used for each dose of all the plant extracts and examined in Petri dishes. Extracts of water solvent showed higher repellent effect than that of others expect ethanol extract of R. officinalis. Considering mean repellency rate extracts of three solvents of all six plants were in the same repellency i.e. class II expect water extract of F. vulgare (class III) and acetone extract of A. graveolens (class I). It was found that the rate of repellency increased with the increase of dose level. At 12.0 % dose level all plant extracts showed the highest repellency rate and were in repellency class III.
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Pages:53-56
How to cite this article:
Mehmet Karakas "Repellent effect of some aromatic plant extracts against granary weevil <em>Sitophilus granarius </em>L. (Coleoptera: Curculionidae)". International Journal of Entomology Research, Vol 3, Issue 2, 2018, Pages 53-56
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