Antifeedant and repellent effects of neotropical Solanum extracts on drywood termites (Cryptotermes brevis, Isoptera: Kalotermitidae)

Antifeedant and repellent effects of neotropical Solanum extracts on drywood termites (Cryptotermes brevis, Isoptera: Kalotermitidae)

Abstract: Antifeedant and repellent effects of two different extracts from native Solanum species Solanum bistellatum and Solanum sisymbrifolium on Cryptotermes brevis were evaluated. The extracts obtained, particularly the dichloromethane extracts and the enriched fraction of sugar esters from S. sisymbrifolium and S. bistellaltum, showed antifeedant and repellent action against the termite. The antifeedant effect of dichloromethane extract from S. sisymbrifolium at the concentration of 25.00mg/mL reached 100%, while the repellent action of the dichloromethane extracts and that of the enriched fraction of sugar esters at the concentration of 1.00mg/mL was higher than 90%. In case of S. bistellatum, the antifeedant effect of the dichloromethane extract and the enriched fraction of sugar esters at the concentration of 25.00mg/mL was 43.29% and 57.46%, respectively. The repellent action of the dichloromethane extracts and of the enriched fraction of sugar esters at a concentration level of 2.50mg/mL was higher than 92%.

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Bibliographic Details
Main Authors: RECH-CAINELLI, V., BARROS, N. M. de, GIANNI, S. G., SBEGHEN-LOSS, A. C., HEINZEN, H., DÍAZ, A. R., MIGUES, I., SPECHT, A., CESIO, M. V.
Other Authors: VANIA RECH-CAINELLI, UNIVERSIDADE CAXIAS DO SUL; NEIVA MONTEIRO DE BARROS, UNIVERSIDADE DE CAXIAS DO SUL; STEFFANI GARCIA GIANNI, UNIVERSIDADE DE CAXIAS DO SUL; ANA CAROLINA SBEGHEN-LOSS, UNIVERSIDADE DE CAXIAS DO SUL; HORACIO HEINZEN, UNIVERSIDAD DE LA REPUBLICA, MONTEVIDEO; ALEJANDRO RUIZ DÍAZ, UNIVERSIDAD DE LA REPUBLICA, MONTEVIDEO; IGNACIO MIGUES, UNIVERSIDAD DE LA REPUBLICA; ALEXANDRE SPECHT, CPAC; MARÍA VERÓNICA CESIO, UNIVERSIDAD DE LA REPUBLICA, MONTEVIDEO.
Format: Separatas biblioteca
Language:English
eng
Published: 2016-02-03
Subjects:Controle biológico, Hábito alimentar, Solanacea, Repelente, Pest control, Feeding behavior, Solanaceae, Cryptotermes brevis, Solanum,
Online Access:http://www.alice.cnptia.embrapa.br/alice/handle/doc/1036030
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Summary:Abstract: Antifeedant and repellent effects of two different extracts from native Solanum species Solanum bistellatum and Solanum sisymbrifolium on Cryptotermes brevis were evaluated. The extracts obtained, particularly the dichloromethane extracts and the enriched fraction of sugar esters from S. sisymbrifolium and S. bistellaltum, showed antifeedant and repellent action against the termite. The antifeedant effect of dichloromethane extract from S. sisymbrifolium at the concentration of 25.00mg/mL reached 100%, while the repellent action of the dichloromethane extracts and that of the enriched fraction of sugar esters at the concentration of 1.00mg/mL was higher than 90%. In case of S. bistellatum, the antifeedant effect of the dichloromethane extract and the enriched fraction of sugar esters at the concentration of 25.00mg/mL was 43.29% and 57.46%, respectively. The repellent action of the dichloromethane extracts and of the enriched fraction of sugar esters at a concentration level of 2.50mg/mL was higher than 92%.

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