Atividade inseticida de óleos essenciais de Pelargonium graveolens l'Herit e Lippia alba (Mill) N. E. Brown sobre Spodoptera frugiperda (J. E. Smith)

Química Nova

Edenilson Dos S. Niculau²  Péricles B. Alves²  Paulo Cesar De L. Nogueira²  Valéria Regina De S. Moraes²  Andréia P. Matos¹  Antonio R. Bernardo¹  Ana C. Volante¹  João B. Fernandes¹  Maria F. G. F. Da Silva¹  Arlene G. Corrêa¹  Arie F. Blank¹  Anderson De C. Silva¹  Leandro Do P. Ribeiro¹ 

[1] ,Universidade Federal de Sergipe Centro de Ciências Exatas e Tecnologia Departamento de QuímicaSão Cristóvão SE ,Brasil

关键词: Lippia alba;    Pelargonium graveolens;    Spodoptera frugiperda;   

DOI  :  10.1590/S0100-40422013000900020

来源: SciELO

【 摘 要 】

Insecticidal activity of essential oils of Pelargonium graveolens, Lippia alba and compounds geraniol, linalool, 1,8-cineole, limonene, carvone, citral and Azamax® were evaluated against Spodoptera frugiperda. Topical application assay showed essential oil of P. graveolens has acute toxicity against Spodoptera frugiperda larvae (third instar) with LD50 1.13 µg/mg per insect and LD90 2.56 µg/mg per insect. Three essential oils of L. alba also exhibited insecticidal activity with LD50 ranging from 1.20 to 1.56 µg/mg per insect and LD90 from 2.60 to 3.75 µg/mg per insect. Geraniol, linalool, carvone and citral caused significant mortality of 30, 90, 84 and 64% respectively, compared to negative control. The bioinsecticide, Azamax®, caused lower mortality than the compounds of the essential oils.

【 授权许可】

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