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Artículo

Non-thermal plasma as emerging technology for Tribolium castaneum pest-management in stored grains and flours

Zilli, Carla GianninaIcon ; Pedrini, NicolásIcon ; Prieto, Eduardo DanielIcon ; Girotti, Juan RobertoIcon ; Vallecorsa, Pablo DanielIcon ; Ferreyra, Matías GermánIcon ; Chamorro Garcés, Juan CamiloIcon ; Cejas, EzequielIcon ; Fina, Brenda LorenaIcon ; Prevosto, LeandroIcon ; Balestrasse, Karina BeatrizIcon
Fecha de publicación: 12/2022
Editorial: Pergamon-Elsevier Science Ltd
Revista: Journal of Stored Products Research
ISSN: 0022-474X
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Zoología, Ornitología, Entomología, Etología

Resumen

The red flour beetle, Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae), is a major secondary pest on wheat stored in metal bins, silo-bags and is also frequently found in wheat products such as flour. Non-thermal plasmas (NTPs) are (quasi-neutral) partially ionized gases that may be produced by a variety of electrical discharges. We propose the use of an atmospheric pressure dielectric barrier discharge (DBD) as an emerging technology in post-harvest integrated pest management. To this aim, a series of experiments were performed in order to test the lethality of such plasmas on three life stages of T. castaneum by measuring insect mortality and their impacts on physiological and biochemical parameters affecting insect fitness. The different NTP treatments were performed by increasing the time of exposure to either O2 or N2 used as carrier gases. After 24 hours, high levels of mortality (30–100%) were reached for each applied treatment, in both larval and adult populations. Mortality seems to be related to a significant water content loss and redox imbalance. Atomic force microscopy (AFM) scanning of the prothoracic surface showed that nitrogen causes more severe damage than oxygen. As a consequence of the cuticle damage, the quinone-containing secretions of the prothoracic and abdominal glands were affected. We also carried out experiments on egg-containing flours to test the ovicidal activity of NTP. The flours were evaluated at three and twelve weeks after treatments. A 3-min nitrogen treatment showed ovicidal properties, while the remaining NTPs partially killed the eggs and delayed the emergence of larvae and adults. In conclusion, we propose an inexpensive physical treatment, which controls the entire life cycle of a major grain pest, avoiding chemical residues.
Palabras clave: ATOMIC FORCE MICROSCOPY , OXIDATIVE STRESS , PEST MANAGEMENT , PLASMA TECHNOLOGY , TRIBOLIUM CASTANEUM
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/209719
URL: https://linkinghub.elsevier.com/retrieve/pii/S0022474X22001059
DOI: http://dx.doi.org/10.1016/j.jspr.2022.102031
Colecciones
Articulos(INBA)
Articulos de INST.DE INVEST. EN BIOCIENCIAS AGRICOLAS Y AMBIENTALES
Articulos(INIBIOLP)
Articulos de INST.DE INVEST.BIOQUIMICAS DE LA PLATA
Articulos(INIFTA)
Articulos de INST.DE INV.FISICOQUIMICAS TEORICAS Y APLIC.
Citación
Zilli, Carla Giannina; Pedrini, Nicolás; Prieto, Eduardo Daniel; Girotti, Juan Roberto; Vallecorsa, Pablo Daniel; et al.; Non-thermal plasma as emerging technology for Tribolium castaneum pest-management in stored grains and flours; Pergamon-Elsevier Science Ltd; Journal of Stored Products Research; 99; 12-2022; 1-10
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