Insecticidal and Repellent Activities of Four Essential Oils Against Sitophilus zeamais (Coleoptera: Curculionidae).

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2023-11-20 eCollection Date: 2023-10-01 DOI:10.1177/15593258231210263

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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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.

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四种精油对玉米象的杀虫驱避活性研究。

目的:评价柠檬香、千层花(桃金娘科)、薄荷(灯叶科)和金针桃科)精油对玉米象成虫的防治效果。方法:采用急性接触毒性、对处理后玉米籽粒的急性毒性、熏蒸毒性、驱避性生物测定和GC-MS分析。结果:柑橘Corymbia citriodora, M. alternifolia, M. xpiperita和S. terebinthifolius精油通过残留接触、摄食和熏蒸对玉米螟均有不同程度的毒性，并对成虫有驱避作用。互花千层油对接触菌(LC50 = 18.98 μL. ml -1)、食入菌(LC50 = 1.03 μL.g-1)和熏蒸菌(LC50 = 20.05 μL)活性最强。L-1空气)生物测定。香茅醛(53.6%)、松油烯-4醇(46.9%)、薄荷醇(44.8%)和β-石竹烯(16.2%)是香茅精油的主要成分。结论:互花千层精油和花椒精油可采用残留接触法，而柠檬精油、互花千层精油和花椒精油可与玉米颗粒混合使用。互花千层挥发油可作为熏蒸剂，柑橘千层挥发油可作为玉米玉米螟成虫的驱避剂。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464