Relevant bibliographies by topics / Eucalyptus deglupta

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Academic literature on the topic 'Eucalyptus deglupta'

Author: Grafiati
Published: 11 December 2022
Last updated: 25 January 2023

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Journal articles on the topic "Eucalyptus deglupta"

1

Salim, Mohammad Agus Salim, Luluk Setyaningsih, Imam Wahyudi, and Sri Wilarso Budi. "Response of Eucalyptus pellita and Eucalyptus deglupta seedling growth to aluminum exposure." Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) 12, no. 2 (June 21, 2022): 246–58. http://dx.doi.org/10.29244/jpsl.12.2.246-258.

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Aluminum (Al) is one of the problems and is a factor inhibiting plant growth on soils with acidic pH. This study aims to examine the growth response of Eucalyptus pellita and Eucalypus Deglupta seedlings to Al exposure. This study used a completely randomized design (CRD) with one factor, where the Al concentration consisted of 5 levels, namely: 0 mM (control), 2 mM, 4 mM, 6 mM, and 8 mM with 3 repetitions each and each repetition consisted of 3 units of the plant. The results showed that Al treatment had a significant effect on the growth parameters of both plant types, except for the root dry weight parameter for E. deglupta. Increasing the Al concentration can reduce almost all growth parameters. The 4 mM Al concentration was able to increase the height growth, plant dry weight (roots and shoots), and tolerance index for the E. pellita species, while the Al 2 mM concentration was able to increase the root growth of E. deglupta plants. Almost all growth parameters for E. pellita species were higher than that of E. deglupta, except for the SPAD chlorophyll index. The concentrations of 6 mM and 8 mM were toxic to E. pellita and E. deglupta.
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2

Fensham, Roderick. "Rumphius and." Historical Records of Australian Science 33, no. 1 (January 21, 2022): 23–27. http://dx.doi.org/10.1071/hr21009.

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In 1743, Georg Rumphius described a tree from the island of Seram in Herbarium Amboinense as Arbor Versicolor (now known as Eucalyptus deglupta Blume). Thus, the first European name for a species in the iconic Australian genus of Eucalyptus was coined decades before the British collected specimens in Australia, and before it was given its current name by a French botanist in 1789. The English translation of Rumphius’ description (see Supplementary Material) also includes vernacular names for Eucalyptus deglupta—some of many names applied to this species as it occurs from New Britain to Mindanao in the Philippines. While neither Rumphius’ name nor vernacular names for E. deglupta are recognised in current Western botanical nomenclature, the naming of Eucalyptus and other genera now recognised as Acacia, Casuarina and Melaleuca confirm the role of the eminent naturalist Rumphius in the history of Australian botany.
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3

Chey, V. K., J. D. Holloway, C. Hambler, and M. R. Speight. "Canopy knockdown of arthropods in exotic plantations and natural forest in Sabah, north-east Borneo, using insecticidal mist-blowing." Bulletin of Entomological Research 88, no. 1 (February 1998): 15–24. http://dx.doi.org/10.1017/s0007485300041511.

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AbstractCanopy knockdown of arthropods using mist-blowing was carried out in Brumas, Sabah (north-east Borneo), in plantations of exotic (non-indigenous) tree species (Acacia mangium, Eucalyptus deglupta, Gmelina arborea, Paraserianthes [=Albizia] falcataria, and Pinus caribaea), plus secondary natural forest and dense understorey within E. deglupta stands. Each habitat had three 1 m2 samples taken four times in one year. The average arthropod species richness within the stands of the exotic tree species ranged from 27 in E. deglupta, to 68 in natural, secondary forest. The total number of individuals caught ranged from 137 in G. arborea to 1628 in secondary forest. The dense and plant-species rich understorey within E. deglupta stands yielded both higher numbers of species and individuals than the eucalypt trees themselves, indicating the importance of allowing the development of a luxuriant understorey for the enhancement of conservation and biodiversity. Though arthropod biodiversity is reduced by the conversion of tropical forests to plantations, abundance and richness are still substantial in the latter habitats.
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4

Chey, V. K., J. D. Holloway, and M. R. Speight. "Diversity of moths in forest plantations and natural forests in Sabah." Bulletin of Entomological Research 87, no. 4 (August 1997): 371–85. http://dx.doi.org/10.1017/s000748530003738x.

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AbstractThe diversity of macromoths in the various fast-growing exotic tree plantations and natural secondary forest in Brumas, Sabah, Malaysia was assessed by means of an annual cycle of light-trap samples. The moth diversity in the forest plantations, viz. Acacia mangium, Gmelina arborea, Paraserianthes (=Albizia) falcataria, Pinus caribaea, and in particular Eucalyptus deglupta, was unexpectedly high. Eucalyptus deglupta showed moth diversity as high as that in the natural secondary forest, a finding attributed to the fact that the E. deglupta plantation had a very diverse understorey both in terms of plant species (secondary regrowth species) and architecture, and thus supported a more diverse moth fauna. Subsidiary samples showed that primary natural forest in the neighbouring Danum Valley does not show higher moth diversity compared to the disturbed forest habitats in Brumas, though moth diversity at Danum is lower than that recorded in other Bornean primary forests. The value of plantation forests for conservation of invertebrate diversity is discussed, together with the implications for plantation management strategy.
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5

Frazão, Francisco Juvenal Lima. "Características da madeira e da polpa kraft não branqueada de Eucalyptus deglupta Blume introduzido na região de Manaus - AM." Acta Amazonica 18, no. 1-2 (June 1988): 109–16. http://dx.doi.org/10.1590/1809-43921988182117.

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O objetivo deste trabalho foi comparar as características da madeira e das propriedades da polpa de E. deglupta Bl., tendo como referência o E. saligna. As características dimensionais das fibras e dos elementos de vasos da madeira em estudo apresentaram valores superiores aos da madeira de comparação. A constituição química da madeira de E. deglupta demonstrou menores valores para as solubilidades e elementos fundamentais. O E. deglupta se caracterizou por apresentar menor densidade básica e maior consumo de madeira por unidade de peso de celulose produzida. Foram obtidas polpas kraft das duas espécies e os melhores valores pana resistência à tração, alongamento, arrebentamento e rasgo foram mostrados, inicialmente, pela polpa de E. deglupta. Entretanto, para dobras duplas, resistência à passagem de ar e densidade aparente, o E.degluptaapresentou resultados sempre inferiores aos do E. saligna.
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6

Frazão, Francisco Juvenal Lima. "Características da madeira e da polpa kraft não branqueada de Eucalyptus deglupta Blume introduzido na região de Manaus - AM." Acta Amazonica 17 (1987): 563–80. http://dx.doi.org/10.1590/1809-43921987171570.

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O objetivo deste trabalho foi comparar as características da madeira e das, propriedades da polpa de E. deglupta Bl., tendo como referência o E. saligna. As características dimensionais das fibras e dos elementos de vasos da madeira em estudo apresentaram valores superiores aos da madeira de comparação. A constituição química da madeira de E. deglupta demonstrou menores valores para as solubilidades e elementos fundamen tais. O E. deglupta se caracterizou por apresentar menor densidade básica e maior consumo de madeira por unidade de peso de celulose produzida. Foram obtidas polpas kraft das duas espécies e os melhores valores para resistência à tração, alongamento, arreben tamento e rasgo foram mostrados, Inicialmente, pela polpa de E. deglupta. Entretanto, para dobras duplas, resistência à passagem de ar e densidade aparente,o E.deglupta apre sentou resultados sempre inferiores aos do E. saligna.
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7

Wang, Wei, Ziling Mao, Chunyin Wu, Hamza Shahid, Shengkun Wang, and Tijiang Shan. "Diversity and Antibacterial and Antioxidant Activities of Fungal Endophytes from the Roots of Eucalyptus deglupta." Sains Malaysiana 51, no. 6 (June 30, 2022): 1687–96. http://dx.doi.org/10.17576/jsm-2022-5106-07.

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In this study, 45 endophytic fungal strains were isolated from the roots of Eucalyptus deglupta. Among them, 16 distinct strains were identified and classified into 14 different genera (Celoporthe, Aspergillus, Castanediella, Chaetomium, Biscogniauxia, Sordariales, Pestalotiopsis, Clitopilus, Cylindrocladiella, Calonectria, Trichoderma, Xylaria, Neofusicoccum and Pleosporales) according to their morphological characteristics and molecular information. The genera Aspergillus and Calonectria were the dominant endophytic fungi in the roots of E. deglupta. In addition, the antibacterial and antioxidant activities of the 16 endophytic fungi isolated from the roots of E. deglupta were evaluated. All the strains displayed inhibitory activities against Agrobacterium tumefaciens, Bacillus subtilis, Escherichia coli, and Xanthomonas vesicatoria. Strains Edf-1 to Edf-4, Edf-11 and Edf-12 demonstrated strong inhibitory activity against R. solanacearum with plaque diameters between 5 and 10 mm. The crude extract of Edf-14 had inhibitory activity against all tested bacteria. Five strains, Edf-1 to Edf-5, demonstrated a strong scavenging capacity for 2,2-diphenyl-1-picrylhydrazyl (DPPH), with IC50 values of 0.26 ± 0.04, 0.11 ± 0.03, 0.20 ± 0.05, 0.10 ± 0.04 and 0.14 ± 0.02 mg/mL, respectively. Hence, endophytic fungi isolated from the roots of E. deglupta showed antibacterial and antioxidant activities, providing a theoretical foundation for further isolation and identification of specific active components.
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8

Sale, MM, BM Potts, AK West, and JB Reid. "Relationships within Eucalyptus using chloroplast DNA." Australian Systematic Botany 6, no. 2 (1993): 127. http://dx.doi.org/10.1071/sb9930127.

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The potential use of restriction fragment length polymorphisms (RFLPs) of chloroplast DNA to determine relationships at higher taxonomic levels in the genus Eucalptus was examined. Chloroplast DNA from 24 species, encompassing representatives of all the subgenera of Eucalyptus as well as one representative of the genus Angophora, was analysed using four 6-base restriction endonucleases. Eighty-four polymorphisms were obtained (twenty-eight autopomorphic) and the data matrix analysed using both cladistic and phenetic approaches. Results provided relatively good congruence with taxonomic perceptions based on morphological traits. Eucalyptus subgenera Blakella and Corymbia appear to be genetically similar to each other and to Angophora, although their phylogenetic relationships are not resolved in this study. Using Angophora alone, or together with the bloodwoods Blakella and Corynthia, as the outgroup for cladistic analysis, the two representatives of Eudesmia examined form a distinctly separate monophyletic group, which appears to be the sister taxon to Idiogenes, Gaubaen, Monocalyptus and Symphyomyrtus. The results provide some support for the close association of Idiogenes, Gauhaea and Monocalyptus and the hypothesis that they are the sister group of Symphyomyrtus. Taxonomically problematic species Eucalyptus guilfoylei, E. microcorys and E. deglupta were included in the study and it was found that E. guilfoylei appeared to diverge prior to the rest of the Symphyomyrtus, E. microcorys near the root of this clade, while the Telocalyptus representative E. deglupta fell within Symplgvontyrtus. The results obtained from the chloroplast DNA data provided independent support for previous morphological studies while generating new hypotheses and highlighting areas requiring closer examination.
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9

Arguedas-Gamboa, Marcela, and Jaume Cots-Ibiza. "La “antracnosis” (Colletotrichum spp.) en viveros forestales." Revista Forestal Mesoamericana Kurú 9, no. 22 (September 9, 2012): 60. http://dx.doi.org/10.18845/rfmk.v9i22.364.

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<p>Se describen las características de la enfermedad denominada “antracnosis” (<em>Colletotrichum spp.</em>), como hospederos, síntomas, ciclo de vida y manejo, con énfasis en viveros forestales. En Costa Rica se ha reportado en plántulas de las especies <em>Acacia mangium, Araucaria sp., Astronium graveolens, Dypterix panamensis, Ceiba pentandra, Dalbergia retusa, Eryobotria japonica, Erythrina poeppigiana, Eucalyptus cinerea, Eucalyptus deglupta, Gliricidia sepium, Hymenaea courbaril, Inga edulis, Samanea saman, Terminalia catappa, Trichilia havanensis y Vochysia guatemalensis.</em></p>
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10

Sukumaran, R., B. L. Chua, and N. Ismail. "Hybrid drying of ultrasound assisted osmotic dehydration (UOAD) and hot air drying of Eucalyptus deglupta." Journal of Physics: Conference Series 2120, no. 1 (December 1, 2021): 012003. http://dx.doi.org/10.1088/1742-6596/2120/1/012003.

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Abstract Eucalyptus deglupta is one of the promising medicinal plants from Mytracea family consisting of bioactive compounds that are to be used in medications. The bioactive compounds present in Eucalyptus deglupta were extracted at the best yield using a hybrid drying method consisting of ultrasound assisted osmotic dehydration (UOAD) and hot air drying in this study. The drying conditions of UAOD were optimised with response surface methodology (RSM) to attain the highest antioxidant activity via of DPPH radical scavenging assay. Four parameters were optimised with response surface methodology, namely concentration of sucrose (v/w), temperature (°C), duration of drying and intensity of ultrasound (%) ranged from 30% to 50%, 20°C to 60°C, 40 min to 100 min and 60% to 100%, respectively. A series of 27 combinations of the UAOD drying conditions were performed and followed by hot air drying performed at 60°C until a constant weight was achieved. A moderate scavenging activity of DPPH assay (56.12%) was achieved at a concentration of sucrose, temperature, duration of drying and intensity of ultrasound of 50%, 40°C, 100 min and 264 W, respectively.
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Conference papers on the topic "Eucalyptus deglupta"

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"Mosquito Larvicidal Activity of Eucalyptus deglupta Crude Extract and Analysis of its Bioactive Compounds." In Multi-Disciplinary Manila (Philippines) Conferences Jan. 23-24, 2017, Manila (Philippines). Universal Researchers (UAE), 2017. http://dx.doi.org/10.17758/uruae.ae0117604.

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Cheng, Khor Yit, Chua Bee Lin, and Tee Lee Hong. "Studies of hybrid drying optimisation of ultrasound assisted osmotic dehydration (UOAD) and hot-air drying on Eucalyptus Deglupta (rainbow Eucalyptus)." In PROCEEDINGS OF THE INTERNATIONAL ENGINEERING RESEARCH CONFERENCE - 12TH EURECA 2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5120982.

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