Hany Ahmed Fouad, Cláudio Augusto Gomes da Câmara, Marcílio Martins de Moraes, Wagner de Souza Tavares, Jesusa Crisostomo Legaspi, José Cola Zanuncio
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引用次数: 0
Abstract
Objective: This study aimed to evaluate the efficacy of Corymbia citriodora, Melaleuca alternifolia (Myrtaceae), Mentha × piperita (Lamiaceae), and Schinus terebinthifolius (Anacardiaceae) essential oils as an alternative to manage Sitophilus zeamais (Coleoptera: Curculionidae) adults.
Methods: Acute contact toxicity, acute toxicity on treated maize grain, fumigation toxicity, repellency bioassays, and GC-MS analysis of the essential oils were carried out.
Results: Corymbia citriodora, M. alternifolia, M. × piperita, and S. terebinthifolius oils were toxic at different levels to S. zeamais through residual contact, ingestion and via fumigation, and were also repellent to adults of this pest. Melaleuca alternifolia oil was the most active in contact (LC50 = 18.98 μL.mL-1), ingestion (LC50 = 1.03 μL.g-1), and fumigant (LC50 = 20.05 μL.L-1 air) bioassays. Citronelal (53.6% in C. citriodora), terpinen-4-ol (46.9% in M. alternifolia), menthol (44.8% in M. × piperita), and β-caryophyllene (16.2% in S terebinthifolius) are the major constituents of these oils.
Conclusions: Melaleuca alternifolia and M. × piperita essential oils can be used by residual contact, while those of C. citriodora, M. alternifolia, and M. × piperita by mixing with maize grains. Melaleuca alternifolia essential oil can be used as a fumigant, while those of C. citriodora and S. terebinthifolius as repellents for S. zeamais adults.
Dose-ResponsePHARMACOLOGY & PHARMACY-RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
CiteScore
4.90
自引率
4.00%
发文量
140
审稿时长
>12 weeks
期刊介绍:
Dose-Response is an open access peer-reviewed online journal publishing original findings and commentaries on the occurrence of dose-response relationships across a broad range of disciplines. Particular interest focuses on experimental evidence providing mechanistic understanding of nonlinear dose-response relationships.