The Combine Effects of Eicosanoid Biosynthesis Inhibitors and Different Isolates of Metarhizium anisopliae (Metschn.) and Beauveria bassiana (Balsamo) (Deuteromycota: Hyphomycetes) on the Mortality of Spodoptera littoralis (Boisduval) (Lepidoptera: Noctuidae) Larvae
Abstract
The effects of entomopathogen fungus isolates on
the mortality of Spodoptera
littoralis (Boisduval) (Lepidoptera: Noctuidae) larvae were increased and accelerated when
co-administered with eicosanoid inhibitors (EBIs) (Dexamethasone, Indomethacin,
Esculetin Phenidone Ibuprofen and Naproxen). The mode of action of these
compounds are different. When eicosanoid inhibitors were applied to S. littoralis larvae together with
entomopathogenic fungus isolates (Beauveria
6646 and Metarhizium 3293), they
accelerated deaths of the insect and consequently increased mortality rates. In
addition, when different doses of Phenidone, one of the eicosanoid inhibitors,
were administered to the larvae with the fungal isolates, there was a
significant increase in mortality due to the dose of Phenidone. These results
showed that the application of eicosanoid inhibitors with fungal agents to S. littoralis larvae increased the
effectiveness of these potential microbial control agents.
Keywords
References
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Details
Primary Language
English
Subjects
-
Journal Section
Research Article
Authors
Publication Date
August 31, 2019
Submission Date
February 11, 2019
Acceptance Date
March 25, 2019
Published in Issue
Year 2019 Volume: 22 Number: 4
