THE EFFECTS OF SOME NATURAL SUBSTANCES ON ACANTHOSCELIDES OBTECTUS SAY (COLEOPTERA: BRUCHIDAE)
2016
Hasan Sungur Civelek | Ozgur Kaban
To date, numerous studies have documented the effectiveness of plant extracts, but the number of studies with Acanthoscelides obtectus (Col.: Bruchidae) is very low. This study was conducted to determine the effects of Nicotiana tabacum L., Urginea maritima (L.), Euphorbia aleppica L., Nerium oleander L. extracts and chitinase enzyme on A. obtectus, one of the main pests of stored legume grains. Neem Azal, a plant extract, and Pyriproxyfen, an insect growth regulator, were used as positive controls. It has been demonstrated for the first time that the effects of 4% dose of tobacco extract is exhibited as potential candidate on A. obtectuscontrol with the effect of 68,25%. Additionally, it has been demonstrated with the results of this study that the mortality rates of some extracts (2% and 4% doses of spurge extracts, 2% doses of oleander extract, 4% doses of chitinase enzyme and 2 l/ha application dose of neem azal preparation) are higher than 50%.
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