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      Comparison of the volatiles composition between healthy and buprestid infected Juglans regia (Juglandaceae) Translated title: Comparación de la composición de los volátiles de Juglans regia (Juglandaceae) sanos e infestadas por un escarabajo bupréstido


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          Abstract Meliboeus ohbayashii primoriensis (Coleoptera: Buprestidae) is an important pest of the walnut tree Juglans regia (Juglandaceae), but the volatiles mediating this plant-herbivore interaction are unknown. In this study, volatiles emitted by healthy J. regia and by plants infested with M. ohbayashii primoriensis (Coleoptera: Buprestidae) were obtained by a dynamic headspace method and analyzed by gas chromatography-mass spectrometry. We identified 26 major compounds and compared the volatile composition of healthy and buprestid-infected J. regia. Green leaf volatiles were detected in all damaged plants, including the monoterpenoids β-phellandrene and (E)-β-ocimene, the sesquiterpenoids (-)-β-bourbonene, β-ylangene, and (E,E)-α-farnesene, the alcohols linalool, myrtenol, and (E)-(-)-pinocarveol, the ketones (E)-pinocamphone and (Z)-pinocamphone, and the ester methyl salicylate. The major volatiles detected in healthy plants were β-pinene (36.26 %), α-pinene (23.81 %), D-limonene (12.03 %), sabinene (8.63 %), and β-myrcene (4.35 %). The main volatiles from M. ohbayashii primoriensis larva-infested plants were β-pinene (37.82 %), α-pinene (20.36 %), D-limonene (14.71 %), germacrene D (5.24 %), sabinene (4.52 %), and β-phellandrene (3.80 %). These results enrich our understanding of volatiles of healthy plants and plants infested with M. ohbayashii primoriensis. Furthermore, they provide a theoretical basis and scientific foundation for integrated pest management and for effective ecologically sustainable pest control strategies.

          Translated abstract

          Resumen Meliboeus ohbayashii primoriensis (Coleoptera: Buprestidae) es una plaga importante del nogal Juglans regia (Juglandaceae), pero se desconocen los compuestos volátiles que median esta interacción planta-herbívoro. En este estudio, se obtuvieron los volátiles emitidos por plantas de J. regia tanto sanas como infestadas con M. ohbayashii primoriensis (Coleoptera: Buprestidae), mediante un método de espacio de cabeza dinámico y se analizaron por cromatografía de gases-espectrometría de masas. Se identificaron 26 compuestos principales y se comparó la composición volátil de J. regia sana e infectada con bupréstido. Se detectaron volátiles de hojas verdes en todas las plantas dañadas, incluidos los monoterpenoides β-felandreno y (E)-β-ocimeno, los sesquiterpenoides (-)-β-bourboneno, β-ylangeno y (E,E)-α-farnesano, los alcoholes linalool, mirtenol y (E)-(-)-pinocarveol, las cetonas (E)-pinocamfono y (Z)-pinocamfono, y el éster salicilato de metilo. Los principales volátiles detectados en plantas sanas fueron β-pineno (36,26 %), α-pineno (23,81 %), D-limoneno (12,03 %), sabineno (8,63 %) y β-mirceno (4,35 %). Los principales volátiles de las plantas infestadas de larvas de M. ohbayashii primoriensis fueron β-pineno (37,82 %), α-pineno (20,36 %), D-limoneno (14,71 %), germacreno D (5,24 %), sabineno (4,52 %), y β-felandreno (3,80 %). Estos resultados enriquecen nuestra comprensión de los volátiles de plantas sanas e infestadas con M. ohbayashii primoriensis. Además, proporcionan una base teórica y una científica para el manejo integrado de plagas y para estrategias efectivas, ecológicamente sostenibles, para el control de plagas.

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          Most cited references40

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          Defensive function of herbivore-induced plant volatile emissions in nature.

          Herbivore attack is known to increase the emission of volatiles, which attract predators to herbivore-damaged plants in the laboratory and agricultural systems. We quantified volatile emissions from Nicotiana attenuata plants growing in natural populations during attack by three species of leaf-feeding herbivores and mimicked the release of five commonly emitted volatiles individually. Three compounds (cis-3-hexen-1-ol, linalool, and cis-alpha-bergamotene) increased egg predation rates by a generalist predator; linalool and the complete blend decreased lepidopteran oviposition rates. As a consequence, a plant could reduce the number of herbivores by more than 90% by releasing volatiles. These results confirm that indirect defenses can operate in nature.
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            Gas chromatographic retention indices of monoterpenes and sesquiterpenes on methyl silicon and Carbowax 20M phases

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              The function of terpene natural products in the natural world.

              As the largest class of natural products, terpenes have a variety of roles in mediating antagonistic and beneficial interactions among organisms. They defend many species of plants, animals and microorganisms against predators, pathogens and competitors, and they are involved in conveying messages to conspecifics and mutualists regarding the presence of food, mates and enemies. Despite the diversity of terpenes known, it is striking how phylogenetically distant organisms have come to use similar structures for common purposes. New natural roles undoubtedly remain to be discovered for this large class of compounds, given that such a small percentage of terpenes has been investigated so far.

                Author and article information

                Revista Colombiana de Entomología
                Rev. Colomb. Entomol.
                Sociedad Colombiana de Entomología (Bogotá, Distrito Capital, Colombia )
                June 2020
                : 46
                : 1
                : e8649
                [4] Taiyuan Shanxi orgnameShanxi Academy of Forestry Sciences China 13934131208@ 123456126.com
                [3] Ji’ning Mongolia Autonomous Region orgnameUlanqab Gardens Bureau China 175601540@ 123456qq.com
                [2] Linfen Shanxi orgnameThe Bureau Forestry of Linfen City China lflyjstgz@ 123456163.com
                [1] Taiyuan Shanxi orgnameShanxi Academy of Forestry Sciences China sxtycyq@ 123456foxmail.com
                S0120-04882020000100002 S0120-0488(20)04600100002

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                : 06 August 2019
                : 28 February 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 40, Pages: 0

                SciELO Colombia


                Coleoptera,volatile compounds,Meliboeus ohbayashii primoriensis,Buprestidae.,Juglans,interacción planta-herbívoro,compuestos volátiles,plant-herbivore interaction


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