Insect antifeedant properties of anthranoids from the genusVismia
M S Simmonds1, W M Blaney, F D Monache
1Department of Zoology, Birkbeck College (University of London), Malet Street, WC1E 7HX, London, England.
Journal of Chemical Ecology
|December 7, 2013
Summary
New anthranoids from Vismia plants, vismiones and ferruginins, effectively inhibit feeding in common insect pests like Spodoptera and Heliothis. These findings highlight potential natural insecticides for crop protection.
Area of Science:
- Natural product chemistry
- Entomology
- Plant biochemistry
Background:
- The genus Vismia produces a diverse range of secondary metabolites.
- Anthranoids represent a class of lipophilic compounds with potential biological activities.
- Insect pests pose significant threats to agriculture, necessitating the search for novel control agents.
Purpose of the Study:
- To investigate the insecticidal properties of vismiones and ferruginins, novel lipophilic anthranoids from Vismia species.
- To evaluate the feeding inhibitory effects of these compounds on key agricultural pests.
Main Methods:
- Isolation and characterization of vismiones and ferruginins from Vismia plants.
- Bioassays were conducted to assess the feeding inhibition of these compounds on larvae of Spodoptera and Heliothis species, as well as on Locusta migratoria.
Main Results:
- Vismiones and ferruginins demonstrated significant feeding inhibitory activity against tested insect species.
- These compounds represent a new class of lipophilic anthranoids with potent antifeedant properties.
Conclusions:
- Vismia-derived anthranoids, vismiones and ferruginins, show promise as natural feeding deterrents for insect pest management.
- Further research into these compounds could lead to the development of eco-friendly insecticides.
