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Insecticidal Effects of Some Biological Agents on the Larvae of Balaninus nucum (Coleoptera; Curculionidae) and Euproctis chrysorrhoea (Lepidoptera; Lymantriidae)

Author(s): Mustafa Yaman | Kazim Sezen | Zihni Demirbag

Journal: Pakistan Journal of Biological Sciences
ISSN 1028-8880

Volume: 2;
Issue: 3;
Start page: 617;
Date: 1999;
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Keywords: Nuclear polyuhidrosis vfirus | b thurngiensis | b nucum | e chrysorthoea

In the present study, in order to find a more effective and safe biological control agent against common pests of Coryllus sp, Balaninus nucum (Hazelnut beetle, Coleoptera) and Euproctis chrysorrhoea (Browntail moth, Lepidoptera), we tested the insecticidal effects of various biological agents. The highest insecticidal effects that we determined for each pest within 10 days are 90 percent using Lymantria dispar nuclear polyhidrosis virus (LdNPV, as gypchek) and toxin (BTS-1) isolated from tenebrionis strains of B. thuringiensis against B. nucum, and 73.6 per cent using LdNPV and 57.8 per cent using toxin (HD-1) isolated from Harry Dumagae strain of B. thuringiensis against E. chrysorrhoea. We think that the insecticidal effects of all agents are the results of cytotoxicity.
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