Insecticidal activities of extracts of three lichen species on Sitophilus granarius (L.) (Coleoptera: Curculionidae)

Bugrahan Emsen, Erol Yildirim and Ali Aslan
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Bugrahan Emsen: Faculty of Science, Karamanoglu Mehmetbey University, Karaman, Turkey
Erol Yildirim: Department of Plant Protection, Faculty of Agriculture, Atatürk University, Erzurum, Turkey
Ali Aslan: Department of Biology Education, Kazim Karabekir Faculty of Education, Atatürk University, Erzurum, Turkey

Plant Protection Science, 2015, vol. 51, issue 3, 155-161

Abstract: Four different concentrations of extracts obtained from three lichen species (Lecanora muralis (Schreb.) Rabenh., Letharia vulpina (L.) Hue, and Peltigera rufescens (Weiss) Humb) were tested against adults of Sitophilus granarius (L.) in Petri dishes. After treatments, mortalities of the adults were determined after 24, 48, and 96 h. Expectedly, higher concentration and longer exposure time resulted in higher S. granarius mortality. Mortalities 96 h after treatments with the highest concentration (20 mg/ml) of extracts of L. vulpina, P. rufescens, and L. muralis were determined as 100, 100, and 86.86%, respectively. However, there were no dead insects in the control group. Values of LC50 after 96 h for L. muralis, L. vulpina, and P. rufescens extracts were 0.666, 0.505, and 0.328 mg/ml, respectively.

Keywords: granary weevil; insecticidal effect; lichen extract (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:51:y:2015:i:3:id:101-2014-pps

DOI: 10.17221/101/2014-PPS

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