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Journal articles on the topic 'Eucalyptus'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Wu, Yi Qiang, Hayashi Kazuo, and Ying Chun Cai. "Collapse-Type Shrinkage in Plantation-Grown Eucalyptus Cells When Subjected to Heat-Steam Treatment." Materials Science Forum 620-622 (April 2009): 217–20. http://dx.doi.org/10.4028/www.scientific.net/msf.620-622.217.

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Collapse-type shrinkage in plantation-grown Eucalyptus cells is a bottleneck to severely restrict its high-effective utilization as environment-friendly solid-wood products. So, measurement of collapse-shrinkage parameters on seven species of Eucalypts (Eucalyptus urophylla, E.grandis, E.urophylla×grandis, E.grandis ×urophylla, E. dunnii, E. cloeziana and E. pellita) have been carried out under three kinds of treated patterns (heating, steaming and combined treatment) by means of image analysis technique. The results indicated that the total shrinkage and residual collapse increase obviously w

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2

McCarthy, Andrew. "Eucalypt Ecology: Individuals to Ecosystems." Pacific Conservation Biology 4, no. 2 (1998): 174. http://dx.doi.org/10.1071/pc980174.

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Eucalypt ecologists in Australia finally have a text that is a comprehensive review of the current state of knowledge on eucalypt ecology. This book incorporates and expands on ideas found in Eucalyptus, the Universal Australian by Pryor and Johnson (1981) and Pryor's (1976) The Biology of Eucalypts.

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3

Bayly, Michael J. "Phylogenetic studies of eucalypts: fossils, morphology and genomes." Proceedings of the Royal Society of Victoria 128, no. 1 (2016): 12. http://dx.doi.org/10.1071/rs16002.

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The eucalypt group includes seven genera: Eucalyptus, Corymbia, Angophora, Eucalyptopsis, Stockwellia, Allosyncarpia and Arillastrum. Knowledge of eucalypt phylogeny underpins classification of the group, and facilitates understanding of their ecology, conservation and economic use, as well as providing insight into the history of Australia’s flora. Studies of fossils and phylogenetic analyses of morphological and molecular data have made substantial contributions to understanding of eucalypt relationships and biogeography, but relationships among some genera are still uncertain, and there is

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Coutinho, T. A., M. J. Wingfield, A. C. Alfenas, and P. W. Crous. "Eucalyptus Rust: A Disease with the Potential for Serious International Implications." Plant Disease 82, no. 7 (1998): 819–25. http://dx.doi.org/10.1094/pdis.1998.82.7.819.

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Eucalyptus spp. are propagated extensively as non-natives in plantations in many parts of the tropics and sub-tropics. A number of diseases result in serious losses to this economically important forest resource. Eucalyptus rust, caused by Puccinia psidii, is one such example. The economic losses due to this disease are the result of infections of seedlings, young trees, and coppice. P. psidii occurs predominately in Central and South America, but reports of a similar rust are known from other areas. Eucalyptus rust is a remarkable disease in that the pathogen is not known on eucalypts in thei

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Majer, Jonathan D., and Harry F. Recher. "Are eucalypts Brazil's friend or foe? An entomological viewpoint." Anais da Sociedade Entomológica do Brasil 28, no. 2 (1999): 185–200. http://dx.doi.org/10.1590/s0301-80591999000200001.

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Vast areas of Brazil are being planted to Eucalyptus in order to provide renewable sources of timber, charcoal and cellulose. Although the rapid growth and productivity of various Eucalyptus species undoubtedly relaxes the pressure on logging of native forests, there are ecological costs. Firstly, some eucalypt species are vulnerable to pest outbreaks. A large number of native Lepidoptera, Coleoptera and leaf-cutting ants (Atta spp.), some of which have become pests, have been found on eucalypts growing in Brazil. Probably, the diverse myrtaceous flora of South America supports a fauna that ca

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6

Espinosa-García, Francisco J. "Revisión sobre la alelopatía de Eucalyptus L'Herit." Botanical Sciences, no. 58 (April 27, 2017): 55. http://dx.doi.org/10.17129/botsci.1487.

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Some eucalyptus species can be associated to the production of zones where vegetation is absent, sparse and/or less diverse and vigorous than surrounding zones away from eucalypts. These zones have been documented with eucalypts growing as native or introduced species. Yield reduction and poor plant performance is frequent when some crops, annual or perennial, are planted within or around eucalypt stands. Although competition for water, light and nutrients can explain some of these inhibition patterns, it is insufficient to explain others. Field evidence suggests that allelopathy explains, at

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7

Macphail, Mike, and Andrew H. Thornhill. "How old are the eucalypts? A review of the microfossil and phylogenetic evidence." Australian Journal of Botany 64, no. 8 (2016): 579. http://dx.doi.org/10.1071/bt16124.

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Molecular age estimates for the Eucalypteae (family Myrtaceae) suggest that the eucalypts, possibly associated with fire, have been present for ~65 million years. In contrast, macrofossils and fossil pollen attributable to three important eucalypt genera (Angophora, Corymbia and Eucalyptus) in the Eucalypteae date to ~51–53 million years ago (mid-Early Eocene) in Patagonia, eastern Antarctica and south-eastern Australia. At present, there is no fossil evidence to show that eucalypts had evolved before this epoch, i.e. when Australia was part of eastern Gondwana, although this seems probable on

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8

Delucis, Rafael De Avila, and Darci Alberto Gatto. "Flexural properties of four fast-growing eucalypts woods deteriorated by three different field tests." Acta Scientiarum. Technology 39, no. 1 (2017): 39. http://dx.doi.org/10.4025/actascitechnol.v39i1.27067.

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Durability is a wood characteristic determined by several factors, making it difficult to investigate the service life of pieces designated for outdoor use. In this study, the decaying of juvenile and adult woods of four fast-growing eucalypts from southern Brazil subjected to three different exposure environments was monitored through mechanical properties (flexural test). The study material was obtained from adult trees of Eucalyptus botryoides, Corymbia citriodora, Eucalyptus paniculata and Eucalyptus tereticornis. Field tests were conducted in the city of Piratini, southern Brazil, and sam

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9

McKinnon, Gay E., Gregory J. Jordan, René E. Vaillancourt, Dorothy A. Steane, and Brad M. Potts. "Glacial refugia and reticulate evolution: the case of the Tasmanian eucalypts." Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 359, no. 1442 (2004): 275–84. http://dx.doi.org/10.1098/rstb.2003.1391.

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Tasmania is a natural laboratory for investigating the evolutionary processes of the Quaternary. It is a large island lying 40–44° S, which was repeatedly glaciated and linked to southeastern continental Australia during the Quaternary. Climate change promoted both the isolation of species in glacial refugia, and an exchange between Tasmanian and mainland floras. Eucalyptus is a complex and diverse genus, which has increased in abundance in Australia over the past 100 kyr, probably in response to higher fire frequency. Morphological evidence suggests that gene flow may have occurred between ma

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10

W. HART, PETER, and RICARDO B. SANTOS. "Changing the face of short fiber –a review of the eucalyptus revolution." June 2015 14, no. 6 (2015): 353–59. http://dx.doi.org/10.32964/tj14.6.353.

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Eucalyptus plantations have been used as a source of short fiber for papermaking for more than 40 years. The development in genetic improvement and clonal programs has produced improved density plantations that have resulted in fast growing, increased fiber volume eucalypts becoming the most widely used source of short fibers in the world. High productivity and short rotation times, along with the uniformity and improved wood quality of clonal plantations have attracted private industry investment in eucalypt plantations. Currently, only a handful of species or hybrids are used in plantation e

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Eleotério, Jackson Roberto, Douglas Reichert, Kerling Fabiane Hornburg, and Isalena Meneguelli. "MASSA ESPECÍFICA E RETRATIBILIDADE DA MADEIRA DE SEIS ESPÉCIES DE EUCALIPTO CULTIVADAS NO LITORAL DE SANTA CATARINA." FLORESTA 45, no. 2 (2014): 329. http://dx.doi.org/10.5380/rf.v45i2.34699.

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O objetivo deste trabalho é determinar e comparar a massa específica básica e aparente a 12% de umidade e os coeficientes de contração radial, tangencial e volumétrico de cinco espécies e um híbrido de eucalipto. As amostras de Corymbia torelliana, Eucalyptus cloeziana, Eucalyptus pilularis e Eucalyptus resinifera foram retiradas de árvores com 17 anos; as de Eucalyptus grandis, de árvores com 14 anos; e as de Eucalyptus grandis x Eucalyptus urophylla, de árvores com oito anos, todas plantadas no litoral norte de Santa Catarina. A madeira do híbrido Eucalyptus grandis x Eucalyptus urophylla e

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Yuan, Zi-Qing. "Fungi and associated tree diseases in Melville Island, Northern Territory, Australia." Australian Systematic Botany 9, no. 3 (1996): 337. http://dx.doi.org/10.1071/sb9960337.

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A survey of fungal species occuil-ing on plants in Acacia and Eucalyptus seed production areas (SPAS) established at Yapilika, Melville Island, Northern Territory, as well as in the surrounding native vegetation was conducted. A total of 21 fungal species representing 18 genera of Ascomycotina (63.6%) and Deuteromycotina (36.4%) was collected. Among them, 10 species are newly recorded from Australia, Cryptovalsa cf. protracta, Dinemasporiuriz strigosum, Eutypella scoparia, Hypoxylon rubigineo-areolaturn, Leptosphaeria sp., Pestalotiopsis ncaciae, P. neglecta, Pseudocercospora sp., Rhytidhyster

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Dias, T. K. R., E. M. Pires, A. P. Souza, A. A. Tanaka, E. B. Monteiro, and C. F. Wilcken. "The beetle Costalimaita ferruginea (Coleoptera: Chysomelidae) in Eucalyptus plantations in transition area of Amazon and Cerrado Biomes." Brazilian Journal of Biology 78, no. 1 (2017): 47–52. http://dx.doi.org/10.1590/1519-6984.03916.

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Abstract Costalimaita ferruginea (Coleoptera: Chrysomelidae) attacks Eucalyptus plants causing severe damage through netting of the leaves. Recently, this Coleoptera has been reported attacking Myrtaceae in Mato Grosso State and, studies about the occurrence of this beetle in commercial plantations of eucalypts has been the subject of researchers through monitoring programmes in the forest protection area. With the beginning of the rainy season, adults were observed causing damage in eucalypt plantations in four cities that are part of the transition region of Amazon and Cerrado Biomes. The sp

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Lin, H., T. J. Murray, and E. G. Mason. "Population dynamics of four insect defoliators in a dryland South Island Eucalyptus plantation." New Zealand Plant Protection 69 (January 8, 2016): 321. http://dx.doi.org/10.30843/nzpp.2016.69.5927.

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Exotic insect defoliators originally from Australia are present in New Zealand Eucalyptus plantations Pest outbreaks causing significant defoliation can reduce tree growth and productivity There is limited information on the population dynamics of major Eucalyptus defoliators in the South Island Populations of four defoliators were monitored monthly from November 2015 to March 2016 in a dryland Eucalyptus plantation in Marlborough by assessing 35 shoots from each of 225 trees Only one generation of Paropsis charybdis was observed Peak adult abundance was in December/January and adults disappea

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15

Makunde, Privilege T., Johannes C. Joubert, Bernard Slippers, Brett P. Hurley, and Almuth Hammerbacher. "Leaf surface traits may influence host specificity in psyllids of Eucalyptus, Spondyliaspis cf. plicatuloides (Froggatt) and Glycaspis brimblecombei Moore (Hemiptera: Aphalaridae)." Chemoecology 33, no. 3-4 (2023): 83–98. http://dx.doi.org/10.1007/s00049-023-00387-x.

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AbstractSpondyliaspis 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-pol

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Anisa, R. P., P. Hidayat, D. Buchori, et al. "Parasitoids associated to Ophelimus eucalypti (gahan) (Hymenoptera: Eulophidae) on Eucalyptus (Myrtaceae) plantations in North Sumatra, Indonesia." IOP Conference Series: Earth and Environmental Science 1133, no. 1 (2023): 012040. http://dx.doi.org/10.1088/1755-1315/1133/1/012040.

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Abstract Eucalyptus (Myrtaceae) is planted to produce materials such as paper, pulp, viscose, and wood. The eucalyptus gall wasp, Ophelimus eucalypti (Gahan) (Hymenoptera: Eulophidae), induces the formation of galls on the leaves of Eucalyptus in North Sumatra, Indonesia. However, the identity of parasitoids associated with O. eucalypti in the field is poorly known. The study aimed to identify the parasitoids and their most prevalent species associated with O. eucalypti. Leaves of Eucalyptus with parasitized galls were sampled from January to October 2021 at Toba, North Tapanuli, and Samosir d

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Walden, L. L., R. J. Harper, D. S. Mendham, D. J. Henry, and J. B. Fontaine. "Eucalyptus reforestation induces soil water repellency." Soil Research 53, no. 2 (2015): 168. http://dx.doi.org/10.1071/sr13339.

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There is an increasing interest in eucalypt reforestation for a range of purposes in Australia, including pulp-wood production, carbon mitigation and catchment water management. The impacts of this reforestation on soil water repellency have not been examined despite eucalypts often being associated with water repellency and water repellency having impacts on water movement across and within soils. To investigate the role of eucalypt reforestation on water repellency, and interactions with soil properties, we examined 31 sites across the south-west of Western Australia with paired plots differ

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Shepherd, M., C. Bihua, and R. Henry. "Microsatellite markers for Eucalyptus pilularis (Subgenus Eucalyptus); sourcing genetic markers outside the subgenus." Silvae Genetica 62, no. 1-6 (2013): 246–55. http://dx.doi.org/10.1515/sg-2013-0030.

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AbstractMicrosatellite markers remain the most broadly used molecular marker in eucalypt genetics. A major advantage of microsatellite markers is that they often transfer readily between related taxa circumventing the need to develop new markers de novo in each species. Markers have been developed for a number of species of major economic importance, mainly from the Subgenus Symphyomyrtus, but these may also be available for use in species of lesser economic importance from other subgenera. Here we report on the sourcing of microsatellite markers for E. pilularis (Subgenus Eucalyptus (Formerly

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Bauhus, Jürgen, Aaron P. van Winden, and Adrienne B. Nicotra. "Aboveground interactions and productivity in mixed-species plantations of Acacia mearnsii and Eucalyptus globulus." Canadian Journal of Forest Research 34, no. 3 (2004): 686–94. http://dx.doi.org/10.1139/x03-243.

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This study compared productivity in mixed-species plantations of Eucalyptus globulus ssp. pseudoglobulus (Naudin ex Maiden) Kirkpatr. and Acacia mearnsii de Wild with pure stands of each species and investigated how this might be explained by canopy stratification between species and changes in leaf characteristics of eucalypts. Investigations were carried out at a trial using the replacement series design, which consisted of the following combinations: 100% eucalypts (100%E), 75% eucalypts + 25% acacia (75%E:25%A), 50% eucalypts + 50% acacia (50%E:50%A), 25% eucalypts + 75% acacia (25%E:75%A)

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Cabral, João Paulo. "A entrada na Europa e a expansão inicial do eucalipto em Portugal Continental." História da Ciência e Ensino: construindo interfaces 20 (December 29, 2019): 8–27. http://dx.doi.org/10.23925/2178-2911.2019v20espp18-27.

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Resumo As primeiras observações e recolhas de eucaliptos ocorreram nas grandes viagens inglesas e francesas ao Pacífico, em particular à Austrália, em finais do século XVIII. O género Eucalyptus L'Hér. foi estabelecido em 1788, e logo nas duas décadas seguintes seriam descritas, por botânicos franceses e ingleses, muitas espécies novas. O primeiro eucalipto cultivado em Inglaterra foi trazido, em 1774, na segunda viagem de James Cook. Em França, a introdução terá sido feita em 1804, no Jardim Botânico de Montpellier, na Alemanha em 1809, no Jardim Botânico de Berlim, e em Itá

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Old, KM, and T. Kobayashi. "Eucalypts Are Susceptible to the Chestnut Blight Fungus, Cryphonectria Parasitica." Australian Journal of Botany 36, no. 5 (1988): 599. http://dx.doi.org/10.1071/bt9880599.

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Eucalyptus camaldulensis, E. haemastoma, E, microcorys, E. punctata and E. robusta grown in greenhouses in Japan were susceptible to infection by Cryphonectria parasitica, syn. Endothia parasitica. A Cryphonectria sp. found on Eucalyptus in central Honshu was morphologically identical to C. parasitica and caused cankers on the five eucalypts and Castanea crenata. Endothiella, the anamorph of Cryphonectria. spp, and Endothia spp., was found on eucalypts in four field locations in Honshu. The evidence suggests that eucalypts are infected in the field by C. parasitica in Japan. Accidental introdu

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Et. al., Dr P. Rajasulochana,. "RESEARCH STUDIES ON EVALUATION OF PHYTOCHEMICAL AND ANTIBACTERIAL ACTIVITY OF COLD ETHANOIC EXTRACT OF EUCALYPTUS OIL." INFORMATION TECHNOLOGY IN INDUSTRY 9, no. 2 (2021): 1164–68. http://dx.doi.org/10.17762/itii.v9i2.467.

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Medicinal plants which have antimicrobial compounds act against various pathogens. Myrtle family have different species. Eucalyptus is one among the myrtle family. Eucalyptus have different antimicrobial compounds. The plant grows well in many countries. This fast growing plant have different parts, each part has its own significant medicinal values lik timber, pulpwood, and different essential oils. Our research study showed phytochemical composition and antibacterial activities of eucalyputs leaves. The sample of eucalyptus is collected in the powder form. The eucalyptus powder is mixed into

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Bashir, Hira, and A. N. Khalid. "Morpho-anatomical and molecular characterisation of ectomycorrhizae associated with Eucalyptus species growing in different areas of the Punjab Province, Pakistan." Australian Journal of Botany 62, no. 8 (2014): 689. http://dx.doi.org/10.1071/bt14095.

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An evaluation of the ectomycorrhizal status of Eucalyptus plantations in different areas of the Punjab Province, Pakistan is presented. Our study reveals a very low diversity of below-ground ectomycorrhizal fungi associated with Eucalyptus. Through molecular investigation, only three taxa were confirmed to be associated with six different species of Eucalyptus at four sampling sites. Among them, Scleroderma bovista was frequently associated with Eucalyptus in soils having different physicochemical properties highlighting wide ecological amplitude of this species. Scleroderma aurantium and Piso

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Wang, Wen, QianLi Liu, GuoQing Li, FeiFei Liu, and ShuaiFei Chen. "Phylogeny and Pathogenicity of Celoporthe Species from Plantation Eucalyptus in Southern China." Plant Disease 102, no. 10 (2018): 1915–27. http://dx.doi.org/10.1094/pdis-12-17-2002-re.

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The family of Cryphonectriaceae (Diaporthales) includes many important tree pathogens, such as those that cause severe cankers on Eucalyptus trees. Recently, stem canker and cracked bark were observed on 8-year-old Eucalyptus grandis × E. urophylla trees in a plantation in southern China. Fruiting structures typical of Cryphonectriaceae fungi were observed on the surface of the diseased tissues. In this study, the isolated fungi were identified based on DNA sequence analyses and morphological characteristics, and their pathogenicity was tested on three Eucalyptus clones. DNA sequence compariso

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Farnier, Kevin, Noel Davies, and Martin Steinbauer. "Not Led by the Nose: Volatiles from Undamaged Eucalyptus Hosts Do Not Influence Psyllid Orientation." Insects 9, no. 4 (2018): 166. http://dx.doi.org/10.3390/insects9040166.

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Psyllids (Hemiptera: Psylloidea) are small sucking insects with high host plant specificity. Despite the primitive olfactory system of psyllids, some species have been suggested to rely on host plant volatiles (HPVs) for seasonal migration between summer deciduous hosts and winter coniferous hosts. Similarly, enhanced attraction of psyllid vectors has been observed as a result of the manipulation of host odors by plant pathogens. As yet, there are no studies of olfaction in psyllids that utilize evergreen eucalypt hosts. We investigated the behavioral responses of adults of four Eucalyptus-fee

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Crane, M. J., D. B. Lindenmayer, and R. B. Cunningham. "Use and characteristics of nocturnal habitats of the squirrel glider (Petaurus norfocensis) in Australian temperate woodlands." Australian Journal of Zoology 60, no. 5 (2012): 320. http://dx.doi.org/10.1071/zo12080.

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In Australian temperate woodlands, most squirrel glider (Petaurus norfolcensis) habitats exist outside formal conservation reserves, often in highly fragmented agricultural landscapes. To conserve squirrel glider populations in such woodlands it is essential to define important habitats and understand how they are used. This study examines the nocturnal habitat use of squirrel gliders across five sites within an agricultural landscape in south-eastern Australia. Over a five-month period we radio-tracked 32 gliders to 372 nocturnal locations. We quantify characteristics of key nocturnal habitat

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Kouki, Habiba, Flavio Polito, Laura De Martino, et al. "Chemistry and Bioactivities of Six Tunisian Eucalyptus Species." Pharmaceuticals 15, no. 10 (2022): 1265. http://dx.doi.org/10.3390/ph15101265.

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The complex taxonomy of Eucalyptus genus, the renewed interest in natural compounds able to combat microbial strains, the overuse of synthetic pesticides, the consequent request for alternative control methods were the reasons for this research. The essential oils (Eos) of Eucalyptus bosistoana, Eucalyptus melliodora, Eucalyptus odorata, Eucalyptus paniculata, Eucalyptus salmonopholia, and Eucalyptus transcontinentalis were analyzed by GC/MS and their potential phytotoxic activity was evaluated against the germination and radicle elongation of Sinapis arvensis, Raphanus sativus and Lolium mult

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Rahul*, Dr. Dev Prakash Dahiya Anchal Sankhyan Subh Karan. "A Review Article on Eucalyptus Plant and Their Pharmacological Activities." International Journal of Pharmaceutical Sciences 3, no. 3 (2025): 1994–2004. https://doi.org/10.5281/zenodo.15059223.

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Eucalyptus, an evergreen tall tree native to Australia and Tasmania, has been used since ancient times by the aboriginal population for several purposes. In particular, the species E. globulus is widely used in the pulp industry, as well as for the production of eucalyptus oil extracted on a commercial scale in many countries as raw materials in perfumery, cosmetics, food, beverages, aromatherapy and phytotherapy. The 1,8-cineole (eucalyptol), the principal and the most important constituent extracted from eucalyptus leaves, demonstrated an antimicrobial and anti-inflammatory activities. Eucal

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Southerton, Simon G. "Early flowering induction and Agrobacterium transformation of the hardwood tree species Eucalyptus occidentalis." Functional Plant Biology 34, no. 8 (2007): 707. http://dx.doi.org/10.1071/fp07118.

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Investigation of the genes controlling flowering in eucalypts is hindered by the lack of an early-flowering genotype. Induction of early flowering was studied in five provenances of Eucalyptus occidentalis Endl. sourced from throughout its geographic range. Seedlings initiated flowers from 13 weeks after sowing when grown under optimal conditions with a 16-h photoperiod. By 16 weeks, seedlings from four widely dispersed provenances had initiated floral buds, suggesting that competence to flower early is a common characteristic of the species. The different provenances displayed considerable va

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Susila, I. Wayan, I. Wayan Supartha, Ni Putu Erina Puspita Adriyani, I. Wayan Eka Karya Utama, and I. Kadek Wisma Yudha. "Peranan Parasitoid dalam Mengendalikan Hama Puru Daun Eukalyptus (Eucalyptus urophylla S.T. Blake) di Bali." Agrotrop : Journal on Agriculture Science 14, no. 1 (2024): 76. https://doi.org/10.24843/ajoas.2024.v14.i01.p09.

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The Role of Parasitoids in Controlling Eucalyptus Gall Pests (Eucalyptus urophylla S.T. Blake) in Bali. Eucalyptus spp. is a plant native in Indonesia. Eucalyptus leaves are part of the plant that is harvested and used as industrial raw material. However, a gall attack on eucalyptus leaves resulted in the formation of galls, which resulted in decreased production in eucalyptus plants. Research on the role of parasitoids in controlling eucalyptus leaf weevil pests in Bali aims to determine the types of parasitoids that play a role in controlling eucalyptus leaf gall pests in Bali. This research

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Bowman, DMJS, JCZ Woinarski, and KA Menkhorst. "Environmental Correlates of Tree Species Diversity in Stage III of Kakadu National Park, Northern Australia." Australian Journal of Botany 41, no. 6 (1993): 649. http://dx.doi.org/10.1071/bt9930649.

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A quadrat based survey that sampled across the environmental range of the geologically and topographically diverse Stage III of Kakadu National Park, Northern Territory, revealed that the region has a tree flora dominated by the family Myrtaceae, and the genus Eucalyptus in particular. Principal components analysis (PCA) defined three axes of environmental variation: site rockiness, site hydrology and surface soil clay content. The three PCA axes were divided into halves and a 2x2x2 matrix was created to classify eight environments; however, there were quadrats in only seven of the eight possi

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Dick, Grasiele, Humberto J. Eufrade-Junior, Mauro V. Schumacher, Gileno B. Azevedo, and Saulo P. S. Guerra. "Eucalypt Clonal Hybrid Influences the Carbon Amount of Below-Ground Biomass in Oxisol, Brazil." Environmental Sciences Proceedings 3, no. 1 (2020): 53. http://dx.doi.org/10.3390/iecf2020-07868.

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The objective of this study was to evaluate whether there is an influence of different clonal hybrids of Eucalyptus urophylla on the carbon concentration and amount in below-ground biomass in trees cultivated in Oxisol, Brazil. Stumps and roots of three different eucalypt hybrid clones, AEC 0144, AEC 0223, and VM01, were selected, weighed immediately after being removed from the ground, and sampled for carbon determination and moisture content at the laboratory. The Shapiro-Wilk and Bartlett tests were used to evaluate data distribution and the homogeneity of variances, respectively. Analysis

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Xavier, Adelica Aparecida, Eugênio Von. Sanfuentes, Davi Theodoro Junghans, and Acelino Couto Alfenas. "Resitência de Eucalyptus globulus e Eucalyptus nitens à ferrugem (Puccinia psidii)." Revista Árvore 31, no. 4 (2007): 731–35. http://dx.doi.org/10.1590/s0100-67622007000400018.

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Avaliou-se a resistência das espécies de Eucalyptus globulus e Eucalyptus nitens inoculadas com um isolado uredinospórico monopustular de Puccinia psidii origininário de plantio de Eucalypstus grandis (UFV-2) em Itapetininga, SP. A avaliação foi realizada aos 12 dias após a inoculação, e quantificou-se a doença por meio de uma escala de notas com quatro classes de severidade da doença (S0, S1, S2 e S3). Em média, aproximadamente 60% das plantas de E. globulus e 50% de E. nitens foram resistentes a P. psidii. A variabilidade intra-específica nos materiais estudados indica ser possível a clonage

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Valente, Carlos. "Insect pests affecting Eucalypts in Portugal: Current situation and future prospects." Agrociencia Uruguay 27, NE2 (2023): e1265. http://dx.doi.org/10.31285/agro.27.1265.

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Eucalypts (Eucalyptus spp.) early established outside their native range have typically benefited from a pest-free environment. However, over time, due to the circulation of people and goods, several Australian insects that attack eucalypts reached the regions where these trees are commercially planted. In Europe, Portugal is the country with the largest area planted with eucalypts (mostly Eucalyptus globulus), covering almost 850,000 hectares. Thirteen insect species native from Australia have already been found in Portugal affecting eucalypts. From these, the snout beetle (Gonipterus platens

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Drinnan, AN, and PY Ladiges. "Floral development and systematic position of Eucalyptus curtisii (Myrtaceae)." Australian Systematic Botany 4, no. 3 (1991): 539. http://dx.doi.org/10.1071/sb9910539.

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The corolla of E. curtisii Blakely & White clearly consists of free, imbricate parts that closely adhere by their cuticles. Ontogenetic investigation of the corolline parts did not reveal any suggestion of morphological duality that characteristically leads to the complex 'petals' in Angophora and other eucalypts. The stamen primordia are initiated on the inner flank of the invaginated floral apex, and at anthesis are inserted on the rim of the hypanthium. There is no evidence of a stemonophore distinctive of the informal subgenera Eudesmia, Symphyomyrtus and Monocalyptus. The possession o

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Vecchio, Maria Gabriella, Claudia Loganes, and Clara Minto. "Beneficial and Healthy Properties of Eucalyptus Plants: A Great Potential Use." Open Agriculture Journal 10, no. 1 (2016): 52–57. http://dx.doi.org/10.2174/1874331501610010052.

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Eucalyptus (Eucapyptusspp.), an evergreen tall tree native to Australia and Tasmania, has been used since ancient times by the aboriginal population for several purposes. In particular, the speciesE. globulusis widely used in the pulp industry, as well as for the production of eucalyptus oil extracted on a commercial scale in many countries as raw materials in perfumery, cosmetics, food, beverages, aromatherapy and phytotherapy. The 1,8-cineole (eucalyptol), the principal and the most important constituent extracted from eucalyptus leaves, demonstrated an antimicrobial and anti-inflammatory ac

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Rivas-Torres, Anais, Manuel A. S. Graça, Andrea Landeira-Dabarca, Maruxa Álvarez, Leandro Juen, and Adolfo Cordero-Rivera. "Eucalyptus globulus Afforestation Reduces Invertebrate Richness and Diversity in Streams." Hydrobiology 4, no. 2 (2025): 16. https://doi.org/10.3390/hydrobiology4020016.

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Intensive forestry, particularly the establishment of monospecific plantations with exotic species, can deeply impact the ecological functioning of forest streams, where riparian leaf litter is the primary source of energy. In this study, we investigated the effects of Eucalyptus globulus afforestation on macroinvertebrate communities in 20 streams in Galicia (NW Spain) with varying levels of accumulated eucalypt leaf litter. Sampling was done in autumn 2020 and spring 2021. In autumn, six streams had leaf litter composed of >50% of eucalypt leaves, a proportion that increased to 12 streams

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Kebede, Tesfanesh Ababu, and Xiaoqian Chen. "Local Farmers’ Perception towards Eucalyptus Woodlot: Lesson Drawn from the Jamma District, Northeastern Ethiopia." East African Journal of Agriculture and Biotechnology 6, no. 1 (2023): 257–70. http://dx.doi.org/10.37284/eajab.6.1.1317.

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Eucalyptus woodlots are the most economically important and extensively planted exotic tree species in Ethiopia. However, there are different arguments on Eucalyptus’s contribution and its effect on the environment from scholars and communities as a whole. Hence, this study investigates farmers’ perceptions and factors affecting their perception of Eucalyptus woodlot plantation. The sample size of respondents was 150 farmers who were selected randomly, and data were collected using semi-structured questionnaires, focus group discussions and key informant interviews. The collected data were ana

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Lunt, Ian D., Heidi C. Zimmer, and David C. Cheal. "The tortoise and the hare? Post-fire regeneration in mixed Eucalyptus - Callitris forest." Australian Journal of Botany 59, no. 6 (2011): 575. http://dx.doi.org/10.1071/bt11151.

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Seedling regeneration after a high intensity wildfire was assessed in a mixed forest dominated by Eucalyptus species and Callitris endlicheri (Parl.) F.M. Bailey. Patterns were compared against the ‘slow seedling’ or ‘tortoise-and-hare’ theory of competitive interactions between gymnosperms and angiosperms. Browsing effects were documented using fenced plots, and seedling density, mortality and height were assessed over 6 years, from 2004–10. Consistent with expectations, Eucalyptus seedlings grew faster than Callitris seedlings in most situations. Callitris seedlings grew faster and produced

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Ladiges, PY, F. Udovicic, and AN Drinnan. "Eucalypt phylogeny — molecules and morphology." Australian Systematic Botany 8, no. 4 (1995): 483. http://dx.doi.org/10.1071/sb9950483.

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Molecular (5S rDNA spacer and chloroplast DNA RnPs) and morphological data sets are informative at different levels of the eucalypt clade. They allow separate analysis of major subclades, the results of which, when combined, give a single, phylogenetic tree for Angophora Cav. and Eucalyptus L'Hér. For taxonomic revision, the tree supports the recognition of bloodwood eucalypts as monophyletic, but shows that informal subgenus Corymbia Pryor & Johnson is paraphyletic. The tree supports recognition of three major clades within the non-bloodwood eucalypts ('eudesmids', 'symphyomyrts' and 'mon

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Waithaisong, Kittima, Agnès Robin, Louis Mareschal, et al. "Potential of Bioassays to Assess Consequences of Cultivation of Acacia mangium Trees on Nitrogen Bioavailability to Eucalyptus Trees: Two Case-Studies in Contrasting Tropical Soils." Plants 12, no. 4 (2023): 802. http://dx.doi.org/10.3390/plants12040802.

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We hypothesized that the nitrogen-fixing tree Acacia mangium could improve the growth and nitrogen nutrition of non-fixing tree species such as Eucalyptus. We measured the N-mineralization and respiration rates of soils sampled from plots covered with Acacia, Eucalyptus or native vegetation at two tropical sites (Itatinga in Brazil and Kissoko in the Congo) in the laboratory. We used a bioassay to assess N bioavailability to eucalypt seedlings grown with and without chemical fertilization for at least 6 months. At each site, Eucalyptus seedling growth and N bioavailability followed the same tr

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Fladung, M., H. Schroeder, C. Wehenkel, and B. Kersten. "Differentiation of six Eucalyptus trees grown in Mexico by ITS and six chloroplast barcoding markers." Silvae Genetica 64, no. 1-6 (2015): 121–30. http://dx.doi.org/10.1515/sg-2015-0012.

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Abstract Different species of the genus Eucalyptus, originally native to Australia, are being cultivated in different parts of the world due to their fast growth and beneficial wood properties. In Mexico, probably up to 25 different Eucalyptus species (many of them with unknown species declaration) were introduced early in the 20th century. Many Eucalyptus species are cross compatible and information about provenances of the single eucalypt species is rare. In this study, an experimental plantation established in 1984 and located in Northeast of Mexico was chosen as example to re-assign the sp

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Dodson, JR, and CA Myers. "Vegetation and Modern Pollen Rain From the Barrington Tops and Upper Hunter River Regions of New South Wales." Australian Journal of Botany 34, no. 3 (1986): 293. http://dx.doi.org/10.1071/bt9860293.

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Vegetation was mapped using existing maps, Landsat interpretation, aerial photograph interpretation and some verification by ground surveys. Twenty-five moss cushions were collected to identify pollen rain and pollen indicators of vegetation for use in fossil pollen interpretation. Eucalyptus (10%), Poaceae (4-10%), Casuarina (4-5%), Asteraceae (Tubuliflorae) (0-4%) and Cyperaceae (0-2%) were the general components in the pollen rain of the region. Subtropical rain forest was characterized by Backhousia and low values of a wide range of taxa. Cool temperate rain forest had Nothofagus values ab

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PM Ridzuan, Muhammad Norfitri Md Bakim, Nur Hidayu Che Baharudin, Mohammad Asyraf Adhwa Masimen, Muhammad Faiz Zulkifli, and Wan Iryani Wan Ismail. "Can Syzygium aromaticum and Eucalyptus globulus Ease Respiratory Infection?" Asian Journal of Medicine & Health Sciences 7, no. 2 (2024): 108–22. https://doi.org/10.70672/q2mz5r71.

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In response to the growing demand for effective treatments for respiratory infections, research has focused on the therapeutic properties of natural substances like Syzygium aromaticum (clove) and Eucalyptus globulus (Eucalyptus). Clove is rich in phytochemicals such as eugenol, which offers antimicrobial, anti-inflammatory, and antioxidant benefits in managing respiratory infections. Similarly, Eucalyptus contains eucalyptol, which is known for its antimicrobial and antiinflammatory properties. This review systematically examines research on the active constituents of clove and Eucalyptus thr

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Pereira, Olinto Liparini, Maurício Dutra Costa, Arnaldo Chaer Borges, Elza Fernandes Araújo, and Maria Catarina Megumi Kasuya. "Compatibility and ectomycorrhiza formation among Pisolithus Isolates and Eucalyptus spp." Revista Brasileira de Ciência do Solo 29, no. 3 (2005): 337–44. http://dx.doi.org/10.1590/s0100-06832005000300003.

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Twenty-nine isolates of the ectomycorrhiza fungus Pisolithus sp. from different geographical and host origins were tested for their ability to form ectomycorrhizae on Eucalyptus grandis and E. urophylla seedlings under greenhouse conditions. The ectomycorrhiza-forming capacity of isolates varied greatly from one eucalypt species to the other. All isolates from Eucalyptus, nine from Pinus spp. and two isolates from unknown hosts formed mycorrhizae with E. grandis and E. urophylla. Root colonization rates varied from 0 to 5.2 % for all Pinus isolates and those from unknown hosts. Colonization ra

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Larcombe, Matthew J., Brad M. Potts, Rebecca C. Jones, Dorothy A. Steane, João Costa E. Silva, and René E. Vaillancourt. "Managing Australia’s eucalypt gene pools: assessing the risk of exotic gene flow." Proceedings of the Royal Society of Victoria 128, no. 1 (2016): 25. http://dx.doi.org/10.1071/rs16003.

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Most eucalypts are endemic to Australia but they have been introduced into more than 100 countries and there are now over 20 million hectares of eucalypt plantations globally. These plantations are grown mainly for pulpwood but there is expanding interest in their use as a renewable source of solid wood products and energy. In Australia, the eucalypt plantation estate is nearing one million hectares, located mainly in temperate regions and dominated by Eucalyptus globulus and E. nitens (subgenus Symphyomyrtus), which are grown mainly outside their natural ranges. While eucalypt species from di

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Sampson, JF, SD Hopper, and SH James. "The Mating System and Genetic Diversity of the Australian Arid Zone Mallee, Eucalyptus rameliana." Australian Journal of Botany 43, no. 5 (1995): 461. http://dx.doi.org/10.1071/bt9950461.

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Estimates of parameters of the mixed mating model were made for three populations of the bird-pollinated arid zone eucalypt, Eucalyptus rameliana F. Muell. Levels of outcrossing ((t) over cap) varied significantly between populations from mixed mating with substantial selfing ((t) over cap = 0.54) to almost completely outcrossed ((t) over cap = 0.95). Comparison of single-locus and multilocus estimates suggested that the drop in outcrossing was due to increased self-pollination. The lowest outcrossing rate was attributed to the reduced ability of a population with low numbers of buds to attrac

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Wang, W., G. Q. Li, Q. L. Liu, and S. F. Chen. "Cryphonectriaceae on Myrtales in China: phylogeny, host range, and pathogenicity." Persoonia - Molecular Phylogeny and Evolution of Fungi 45, no. 1 (2020): 101–31. http://dx.doi.org/10.3767/persoonia.2020.45.04.

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Plantation-grown Eucalyptus (Myrtaceae) and other trees residing in the Myrtales have been widely planted in southern China. These fungal pathogens include species of Cryphonectriaceae that are well-known to cause stem and branch canker disease on Myrtales trees. During recent disease surveys in southern China, sporocarps with typical characteristics of Cryphonectriaceae were observed on the surfaces of cankers on the stems and branches of Myrtales trees. In this study, a total of 164 Cryphonectriaceae isolates were identified based on comparisons of DNA sequences of the partial conserved nucl

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Harris, R. "Eucalyptus. The genus Eucalyptus." International Journal of Aromatherapy 13, no. 2-3 (2003): 152–53. http://dx.doi.org/10.1016/s0962-4562(03)00073-0.

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Gu, Zhen Jun, Dang Quan Zhang, Wei Mo, Huai Yun Zhang, and Xiao Lei Zhang. "Constituent Characteristic and Biomedical Potentials of Organic Essential Oils from Leaves of Four Eucalyptus Cultivars in China." Applied Mechanics and Materials 472 (January 2014): 785–91. http://dx.doi.org/10.4028/www.scientific.net/amm.472.785.

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Several Eucalyptus cultivars has been introduced and cultivated for millions of hectares afforestation in subtropical China, whose woods were mainly used in papermaking industry and whose water essential oils were used mainly in aroma and medical industry. However, the potential biomedical components of organic essential oils were still uncovered. In order to reveal constituent characteristic and biomedical potentials of organic essential oils from leaves of four Eucalyptus cultivars (E. camaldulensis,E. tereticornis,E. citriodoraandE. dunnii) in China, their components were efficiently extrac

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