Insect antifeedants from Tephrosia elata Deflers
Loading...
Date
1987-01-01
Authors
Hassanali, Ahmed
Bentley, M. D.
Lwande, W.
Njoroge, P. E. W.
Ole Sitayo, E. N.
Yatagai, M.
Journal Title
Journal ISSN
Volume Title
Publisher
International Journal of Tropical Insect Science
Abstract
Two antifeedants, isopongaflavone and tephrosin have been isolated from Tephrosia elata. Tephrosin displayed high activity against Spodoptera exempta, while isopongaflavone was shown to be very active against Maruca testulalis and Eldana saccharina. Rotenone was found to be active as an antifeedant against S. exempta, E. saccharina and M. testulalis. Insects in the orders Coleoptera, Hymenoptera, Lepidoptera and Diptera, all associated with T. elata seed pods, were identified.RésuméDeux antifondants, l'isopongaflavone et le tephrosin sont ete isoles de Tephrosia elata. Le tephrosin a montre la tres grande activité contre Spodoptera exampta, tandis que l'isopongaflavone a montre d'etre tres active contre Maruca testulalis et Eldana saccharina. On a trouve que la rotenone etait active comme un antifondant contre S. exempta, E. saccharina et M. testulalis. On a identifie que les insectes dans les groupes de Coleoptera, Hymenoptera, Lepidoptera et Diptera sont êtes tous associes avec les cosses des graines de T. elata.
Description
DOI:10.1017/S1742758400007025 pp.85 - 88
Keywords
Citation
International Journal of Tropical Insect Science 01/1987; 8(01):85 - 88.