Thermal tool to evaluate essential oil composition of different Eucalyptus genotypes in relation to Glycaspis brimblecombei susceptibility (Hemiptera: Aphalaridae)

Silveira, Ana Cláudia; Siqueira, Geisa de Andrade de Liandra; Mayer, Francieli Martins; Lazzarotto, Simone Rosa da Silveira; Miguel, Obdúlio Gomes; Zini, Cláudia Alcaraz; Queiroz, Dalva Luiz de; Lazzarotto, Marcelo

doi:10.1007/s10973-021-11027-3

J Therm Anal Calorim

2021

DOI: 10.1007/s10973-021-11027-3

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Thermal tool to evaluate essential oil composition of different Eucalyptus genotypes in relation to Glycaspis brimblecombei susceptibility (Hemiptera: Aphalaridae)

Ana Cláudia Silveira

Geisa de Andrade de Liandra Siqueira

Francieli Martins Mayer

et al.

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Cited by 3 publications

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Essential Oils of Neotropical Myrtaceae Species From 2011 Until 2023: An Update

de Amorim,

Verdan,

Oliveira

et al. 2024

Chemistry & Biodiversity

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The Myrtaceae family is renowned for its rich diversity of bioactive metabolites with broad applications across various industries. This review comprehensively explores the chemical composition and biological activities of Neotropical species within the Myrtaceae family from 2011 to 2023. A total of 170 papers were analyzed, covering 148 species from 28 genera, with notable emphasis on Eugenia, Eucalyptus, Myrcia, and Psidium. Compounds with relative abundance exceeding 10% were tabulated to highlight the most significant volatiles for each genus. Our findings were cross‐referenced with previous reviews whenever feasible. Antioxidant, antibacterial, and antimicrobial activities emerged as the primary focus, collectively representing 41% of the studies, predominantly conducted in vitro. Additionally, we discuss less conventional approaches to essential oil studies in Myrtaceae species, underscoring avenues for future exploration. The investigation of essential oils from Myrtaceae holds promise for significant advancements in biotechnology, with potential benefits for the economy, environment, and human health. This review serves as a valuable resource for guiding future research strategies in this field.

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Essential Oils of Neotropical Myrtaceae Species From 2011 Until 2023: An Update

de Amorim,

Verdan,

Oliveira

et al. 2024

Chemistry & Biodiversity

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Leaf surface traits may influence host specificity in psyllids of Eucalyptus, Spondyliaspis cf. plicatuloides (Froggatt) and Glycaspis brimblecombei Moore (Hemiptera: Aphalaridae)

et al. 2023

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Spondyliaspis cf. plicatuloides and Glycaspis brimblecombei (Hemiptera: Aphalaridae) are invasive insect pests of Eucalyptus, native to Australia. The insects feed on eucalypt sap, and both psyllid species exhibit clear preferences for different species and hybrids of Eucalyptus. The objective of this study was to identify the constitutive morphological and phytochemical characteristics underlying these host preferences. Four preferred and eight non-preferred eucalypt hosts were selected for evaluation. Thirteen leaf morphological features of the 12 eucalypts were analysed. The non-polar and polar metabolites in and on the surface of leaves of each eucalypt species were extracted, and their chemical composition was analysed using gas chromatography coupled with mass spectrometry. The leaf volatile profiles of hosts and non-hosts of S. cf. plicatuloides and G. brimblecombei did not differ sufficiently to explain the host choices of the two eucalypt psyllids. The leaf polar metabolite profiles of the susceptible hosts of the two psyllids differed significantly but did not explain the host preferences of the two psyllid species. However, preferred hosts of S. cf. plicatuloides and G. brimblecombei had some leaf morphological features and wax metabolites in common. Our results show that particular combinations of leaf morphological features and wax metabolites might influence the host choice of eucalypt-feeding lerp psyllids, but no traits explaining the differences in host-selection behaviour between S. cf. plicatuloides and G. brimblecombei were identified.

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Anatomical indicators of Eucalyptus spp. resistance to Glycaspis brimblecombei (Hemiptera: Aphalaridae)

Piero

Wilcken

Domingues

et al. 2022

PeerJ

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The total area of forest crops in Brazil is 9.55 million hectares, of which 7.5 million hectares are Eucalyptus. These crops are the most productive in the world, but may suffer losses due to exotic pests, including Glycaspis brimblecombei Moore (Hemiptera: Aphalaridae) found in Brazil since 2003. Interactions between Eucalyptus plants and insect pests may led to the selection of resistant genotypes. Eucalyptus species are either susceptible or resistant to this pest group, but the damage they suffer needs to be evaluated. The objective was to determine possible leaf anatomy indicators of different Eucalyptus species associated with G. brimblecombei infestations, focusing on plant resistance to this pest. The study was carried out with Eucalyptus camaldulensis, Eucalyptus grandis, Eucalyptus saligna and Eucalyptus urophylla saplings infested or not by G. brimblecombei eggs and nymphs. Eighteen anatomical characteristics of the leaves of these plants were analyzed. The number of stomata on the adaxial and abaxial sides and the glandular area in the central leaf vein are associated with greater or lesser infestation by G. brimblecombei in the Eucalyptus genotypes.

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Thermal tool to evaluate essential oil composition of different Eucalyptus genotypes in relation to Glycaspis brimblecombei susceptibility (Hemiptera: Aphalaridae)

Cited by 3 publications

References 28 publications

Essential Oils of Neotropical Myrtaceae Species From 2011 Until 2023: An Update

Essential Oils of Neotropical Myrtaceae Species From 2011 Until 2023: An Update

Leaf surface traits may influence host specificity in psyllids of Eucalyptus, Spondyliaspis cf. plicatuloides (Froggatt) and Glycaspis brimblecombei Moore (Hemiptera: Aphalaridae)

Anatomical indicators of Eucalyptus spp. resistance to Glycaspis brimblecombei (Hemiptera: Aphalaridae)

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