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Comelli NC, Diez PA, Rodríguez MR, Denett GO, López TE, Bracamonte DM, Ortiz EV, Sampietro DA, Duchowicz PR. Excito-repellent and Pesticide-Likeness Properties of Essential Oils on Carpophilus dimidiatus (Fabricius) (Nitidulidae) and Oryzaephilus mercator (L.) (Silvanidae). J Chem Inf Model 2024; 64:2467-2487. [PMID: 37774492 DOI: 10.1021/acs.jcim.3c01198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/01/2023]
Abstract
Carpophilus dimidiatus (Fabricius) (Nitidulidae) and Oryzaephilus mercator (L.) (Silvanidae) are insect pests that cause severe damage in important walnut growing regions in the northwest of Argentina. The current management approaches for these pests involve the use of unsafe phosphorus pesticides whose overuse have led to farmworker poisoning, pest resistance issues, and environmental contamination. Plant extracts, particularly essential oils, are an alternative source of insect control agents. Excito-repellent essential oils can be used to develop ecofriendly tools for managing the pest population without affecting quality and visual appearance of the stored walnuts. Laboratory studies were conducted to assess the excito-repellent effects of C. dimidiatus and O. mercator of 12 essential oils derived from aromatic plants used as food additives and traditional medicine in Argentina: Aloysia citrodora (AC), Aloysia gratissima (AG), Aloysia gratissima var. Gratissima (AGG), Blepharocalyx salicipholius (BS), Hyptis mutabilis (HM), Lippia junelliana (LJ), Lippia turbinata (LT), Mentha x piperita (MP), Minthostachys mollis (MM), Minthostachys verticillata (MV), Origanum vulgare(OV), and Rosmarinus officinalis (RO). The most bioactive EOs (ERijk ≥ 70%) were Aloysia gratissima var. Gratissima (AGG), Minthostachys verticillata, and Lippia junelliana. Their bioactivity profile and chemical space, characterized from GC-MS measures, Generalized Estimating Equations, and Hierarchical Cluster Analysis, revealed that they are mixtures of very functionalized molecules with physicochemical properties similar to those of insecticides with low residual property that enter the insect body through the respiratory system by inhalation. The AGG, MV, and LJ oils are promising as protective agents of walnut products. In our laboratory, studies of their formulations for use in integrated pest management programs are still ongoing.
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Affiliation(s)
- Nieves C Comelli
- Laboratorio de Control Biológico y Biodiversidad de Insectos (LACBBI), Centro Regional de Energía y Ambiente para el Desarrollo Sustentable (CREAS), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Catamarca (UNCA), Prado 366, K4700BDH, San Fernando Del Valle de Catamarca, Argentina
- Facultad de Ciencias Agrarías, Universidad Nacional de Catamarca (UNCA), Máximo Victoria 50, K4700BDH, San Fernando Del Valle de Catamarca, Argentina
| | - Patricia A Diez
- Laboratorio de Control Biológico y Biodiversidad de Insectos (LACBBI), Centro Regional de Energía y Ambiente para el Desarrollo Sustentable (CREAS), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Catamarca (UNCA), Prado 366, K4700BDH, San Fernando Del Valle de Catamarca, Argentina
- Departamento Básicas y Tecnológicas, UNdeC, 5360 Chilecito, La Rioja, Argentina
| | - María R Rodríguez
- Laboratorio de Control Biológico y Biodiversidad de Insectos (LACBBI), Centro Regional de Energía y Ambiente para el Desarrollo Sustentable (CREAS), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Catamarca (UNCA), Prado 366, K4700BDH, San Fernando Del Valle de Catamarca, Argentina
- Facultad de Tecnología y Ciencias Aplicadas, CONICET-Universidad Nacional de Catamarca (UNCA), K4700BDH, Catamarca, Argentina
| | - Gabriel O Denett
- Laboratorio de Control Biológico y Biodiversidad de Insectos (LACBBI), Centro Regional de Energía y Ambiente para el Desarrollo Sustentable (CREAS), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Catamarca (UNCA), Prado 366, K4700BDH, San Fernando Del Valle de Catamarca, Argentina
- Facultad de Ciencias Agrarías, Universidad Nacional de Catamarca (UNCA), Máximo Victoria 50, K4700BDH, San Fernando Del Valle de Catamarca, Argentina
| | - Tamara E López
- Facultad de Ciencias Agrarías, Universidad Nacional de Catamarca (UNCA), Máximo Victoria 50, K4700BDH, San Fernando Del Valle de Catamarca, Argentina
| | - Daniela M Bracamonte
- Facultad de Ciencias Agrarías, Universidad Nacional de Catamarca (UNCA), Máximo Victoria 50, K4700BDH, San Fernando Del Valle de Catamarca, Argentina
| | - Erlinda V Ortiz
- Facultad de Tecnología y Ciencias Aplicadas, CONICET-Universidad Nacional de Catamarca (UNCA), K4700BDH, Catamarca, Argentina
| | - Diego A Sampietro
- Laboratorio de Biología de Agentes Bioactivos y Fitopatógenos (LABIFITO), Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Ayacucho 471, 4000, San Miguel de Tucumán, Argentina
| | - Pablo R Duchowicz
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CONICET, Universidad Nacional de La Plata (UNLP), Diag. 113 y 64, C.C. 16, Sucursal 4, 1900 La Plata, Argentina
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