Chemical composition and insecticidal activity of essential oils from Vanillosmopsis pohlii baker against Bemisia argentifolii |
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| Authors: | de Andrade Israel L Bezerra José Noberto S Lima Marcos Aurélio A de Faria Rozilaine Aparecida P G Lima Mary Anne S Andrade-Neto Manoel Cavalcanti Francisca Simões Mesquita Antonio Lindemberg Martins |
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| Institution: | Departamento de Química Organica e Inorganica, Centro de Ciências, Universidade Federal do Ceará, Caixa Postal 12 200, 60971-270 Fortaleza, CE, Brazil. |
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| Abstract: | Essential oils from the heartwood and leaves of specimens of Vanillosmopsis pohlii collected in two different localities were analyzed by GC-MS. The major constituent of both heartwood essential oils was the sesquiterpene alpha-bisabolol. Essential oil composition from leaves was quite different for two specimens and showed beta-pinene and E-caryophyllene as principal constituents. The essential oil of heartwood and the pure sesquiterpene alpha-bisabolol were tested against Bemisia argentifolii, the white fly fruit plague, and pronounced insecticidal effects were observed. |
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