Academic literature on the topic 'Corymbia'
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Journal articles on the topic "Corymbia"
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Shepherd, M., S. Kasem, D. Lee, and R. Henry. "Construction of Microsatellite Linkage Maps for Corymbia." Silvae Genetica 55, no. 1-6 (December 1, 2006): 228–38. http://dx.doi.org/10.1515/sg-2006-0030.
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Abstract The genus Corymbia is closely related to the genus Eucalyptus, and like Eucalyptus contains tree species that are important for sub-tropical forestry. Corymbia’s close relationship with Eucalyptus suggests genetic studies in Corymbia should benefit from transfer of genetic information from its more intensively studied relatives. Here we report a genetic map for Corymbia spp. based on microsatellite markers identified de novo in Corymbia sp or transferred from Eucalyptus. A framework consensus map was generated from an outbred F2 population (n = 90) created by crossing two unrelated Corymbia torelliana × C. citriodora subsp. variegata F1 trees. The map had a total length of 367 cM (Kosambi) and was composed of 46 microsatellite markers distributed across 13 linkage groups (LOD 3). A high proportion of Eucalyptus microsatellites (90%) transferred to Corymbia. Comparative analysis between the Corymbia map and a published Eucalyptus map identified eight homeologous linkage groups in Corymbia with 13 markers mapping on one or both maps. Further comparative analysis was limited by low power to detect linkage due to low genome coverage in Corymbia, however, there was no convincing evidence for chromosomal structural differences because instances of non-synteny were associated with large distances on the Eucalyptus map. Segregation distortion was primarily restricted to a single linkage group and due to a deficit of hybrid genotypes, suggesting that hybrid inviability was one factor shaping the genetic composition of the F2 population in this inter-subgeneric hybrid. The conservation of microsatellite loci and synteny between Corymbia and Eucalyptus suggests there will be substantial value in exchanging information between the two groups.
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Healey, Adam, David J. Lee, Agnelo Furtado, and Robert J. Henry. "Evidence of inter-sectional chloroplast capture in Corymbia among sections Torellianae and Maculatae." Australian Journal of Botany 66, no. 5 (2018): 369. http://dx.doi.org/10.1071/bt18028.
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Chloroplast capture through hybridisation and introgression is well described within Eucalyptus. Despite the propensity of the Corymbia genus (eucalypts) to form hybrids from wide crosses, description of chloroplast capture in Corymbia has, until recently, been limited. In this study our aim was to investigate evidence of intersectional chloroplast capture between sections Torellianae and Maculatae. Using whole-genome next-generation sequencing data, the complete chloroplast genomes were assembled from four Corymbia taxa: Corymbia citriodora subspecies citriodora (Hook.) K.D.Hill & L.A.S.Johnson, Corymbia citriodora subspecies variegata (F.Muell.) A.R.Bean & M.W.McDonald, Corymbia henryi (S.T.Blake) K.D.Hill & L.A.S.Johnson, and Corymbia torelliana (F.Muell.) K.D.Hill & L.A.S.Johnson, represented by eight genotypes. Phylogenetic analysis and comparison among Corymbia chloroplast genomes and nuclear external transcribed spacer (ETS) sequences revealed chloroplast capture among Corymbia species across distinct sections Torellianae and Maculatae within subgenus Blakella. Reticulate evolution, along with Eucalyptus, likely extends into Corymbia as evidenced by incongruent plastid and nuclear phylogenetic trees, suggestive of its importance of hybridisation and introgression during the evolution of eucalypts.
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Taylor, KL. "The tribe Ctenarytainini (Hemiptera : Psylloidea): a key to known Australian genera, with new species and two new genera." Invertebrate Systematics 4, no. 1 (1990): 95. http://dx.doi.org/10.1071/it9900095.
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The key includes eight genera known to occur in Australia and Papua New Guinea. These are Ctenarytaina Ferris & Klyver (type genus), Syncarpiolyma Froggatt, Eriopsylla Froggatt, Blastopsylla Taylor, Anoeconeossa Taylor, Leptospermonastes Taylor, and two new genera, Agelaeopsylla and Cryptoneossa. Keys to the species in Agelaeopsylh, Cryptoneossa and Leptospermonastes are given. Agelaeopsylla contains five new species, A. dividua (type species), A. maculatae, A. corymbiae, A. papuanae (which also occurs in Papua New Guinea), and A. insolita. They feed mainly on Angophora and two 'subgenera' of Eucalyptus (Corymbia and Blakella). The hosts of Cryptoneossa, which contains five new species, C. vulgaris (type species), C. occidentalis, C. triangula, C. minuta, and C. leptospermi, are mainly in the 'subgenera' Monocalyptus and Corymbia of Eucalyptus; some are found on Symphyomyrtus and smaller subgenera, one on Angophora, and one on Leptospermum. Two new species of Leptospermonastes are described; L. maculosipennis and L. fasciata were both collected from Melaleuca spp., a new host for this genus. Eriopsylla and its type species, E. viridis, are redescribed, with one new species, E. malleensis.
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Marchesan, Raquel, Danyelly Nunes de Oliveira, Renata Carvalho da Silva, Lorrainy Azevedo de Carvalho, Rone Tavares Gomes, and Vanessa Coelho Almeida. "QUALITY OF CHARCOAL FROM THREE SPECIES OF THE Eucalyptus AND THE Corymbia citriodora SPECIES PLANTED IN THE SOUTH OF TOCANTINS." FLORESTA 50, no. 3 (July 10, 2020): 1643. http://dx.doi.org/10.5380/rf.v50i3.65303.
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We aimed to assess the quality of charcoal from three Eucalyptus and Corymbia citriodora species for energy production in the South of Tocantins state. A hybrid Eucalyptus urophylla x Eucalyptus grandis, the species Eucalyptus urophylla, Eucalyptus camaldulensis, and Corymbia citriodora were selected for the study. In the preparation of the material, 20 specimens of each species with the dimensions of 2.0 x 2.0 x 5.0 cm were made, being ten repetitions for each carbonization gait with different final temperatures and heating rates. The basic wood density, total gravimetric yield, total yields in condensable and non-condensable gases, immediate chemical analysis, and higher calorific value were determined. Corymbia citriodora presented higher wood basic density (0.583 g/cm³) and charcoal apparent density (0.459 g/cm³). In immediate chemical analysis, Eucalyptus urophylla and Corymbia citriodora presented the best averages among all species. The calorific value ranged from 7235.97 to 7573.98 (kcal/kg), considered an acceptable value for energy production. The final carbonization temperature of 550°C is recommended, with Eucalyptus urophylla and Corymbia citriodora presenting the best averages.
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DAVIES, KERRIE A., ROBIN M. GIBLIN-DAVIS, WEIMIN YE, GARY S. Taylor, and W. KELLEY THOMAS. "Nematodes from galls on Myrtaceae. I. Fergusobia/Fergusonina galls on Corymbia spp., with re-description of F. magna and notes on its phylogenetic relationships." Zootaxa 2634, no. 1 (October 4, 2010): 25. http://dx.doi.org/10.11646/zootaxa.2634.1.2.
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Fergusobia magna (Neotylenchidae: Fergusobiinae), collected from axial bud (‘stem’) galls on Corymbia tessellaris growing in coastal regions of Queensland, Australia, is re-described. It is characterised by having a combination of a relatively large, variably shaped parthenogenetic female with a slender conoid tail; a relatively large arcuate infective female with a long slender tail with a pointed tip and a relatively anterior vulva; and relatively large, arcuate, open C or Jshaped males with angular spicules having manubrium and shaft forming 66% of their length, slender tail and peloderan bursa arising at 30–50% body length. Other known forms of Fergusobia/Fergusonina galls from Corymbia are outlined, and the morphology of nematodes from them and the shield morphology of their associated mutualistic fly species from Corymbia spp. are described where known. The possible phylogenetic relationships of these associations from Corymbia are discussed.
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Shepherd, Mervyn, Peter Pomroy, Mark Dieters, and David Lee. "Genetic control of propagation traits in a single Corymbia torelliana × Corymbia variegata family." Canadian Journal of Forest Research 37, no. 12 (December 2007): 2563–74. http://dx.doi.org/10.1139/x07-111.
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Genetic control of vegetative propagation traits was described for a second-generation, outbred, intersectional hybrid family (N = 208) derived from two species, Corymbia torelliana (F. Muell.) K.D. Hill & L.A.S. Johnson and Corymbia variegata (F. Muell.) K.D. Hill & L.A.S. Johnson, which contrast for propagation characteristics and in their capacity to develop lignotubers. Large phenotypic variances were evident for rooting and most other propagation traits, with significant proportions attributable to differences between clones (broad-sense heritabilities 0.2–0.5). Bare root assessment of rooting rate and root quality parameters tended to have the highest heritabilities, whereas rooting percentage based on root emergence from pots and shoot production were intermediate. Root biomass and root initiation had the lowest heritabilities. Strong favourable genetic correlations were found between rooting percentage and root quality traits such as root biomass, volume, and length. Lignotuber development on a seedling was associated with low rooting and a tendency to poor root quality in cuttings and was in accord with the persistence of species parent types due to gametic phase disequilibrium. On average, nodal cuttings rooted more frequently and with higher quality root systems, but significant cutting type × genotype interaction indicated that for some clones, higher rooting rates were obtained from tips. Low germination, survival of seedlings, and rooting rates suggested strong hybrid breakdown in this family.
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da Silva, Rafael G., Bruno A. Trevisan, Augusto Cesar G. de Lima, Úrsula Ramos Zaidan, Rafael Tassinari Resende, and Patricia Pereira Pires. "Seed seedlings development of different Eucalyptus and Corymbia species purposing forestry advancements for Cerrado biome." TreeDimensional 09, no. 02 (November 10, 2022): 1–10. http://dx.doi.org/10.55746/treed.2022.11.002.
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The production of quality seedlings has a direct impact on the productivity of a forestry establishment. Knowing the specifics of each specie and its adaptation to the edaphoclimatic conditions of a given region is essential for the success of a forest plantation. The production of seedlings of Eucalyptus spp. and Corymbia spp. presented in this work comes from the sexual propagation, by seeds. The study carried out the comparison between 13 species of Eucalyptus spp. and Corymbia spp., verifying the quality of the seed lots, via in vitro germination test and by sowing in tubes. The biometric measurements applied in this study were total seedling height, stem diameter and vigor, two measurements of seedlings were carried out in plastic bags and the data were transferred to the R software to be analyzed, applying analysis of variance (ANOVA) and means of variables. The germination percentage was higher in tubes than the results obtained in vitro, with emphasis on the results of the species Eucalyptus dunnii, Corymbia citriodora, Eucalyptus longirostrata and Corymbia maculata, which reached 100% germination in tubes and these are also the species that stood out in biometric measurements, with emphasis on the results of the species Eucalyptus dunnii, Corymbia citriodora and Eucalyptus longirostrata. The study aimed to generate viable, healthy and vigorous seedlings from seminal propagules of Eucalyptus spp. and Corymbia spp., to compose, at the end of the experiment, which has the potential to extend, beyond this study, the Eucalyptus Garden at Escola de Agronomia - EA/UFG), Goiania, GO, Brazil, collaborating with the practical classes that will be able to use the space to present to the students the features inherent to the species.
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Borges, Cilene Cristina, and João Carlos Moreschi. "POTENCIALIDADE DO USO DE CRUZETAS DE MADEIRA TRATADA NO BRASIL." FLORESTA 43, no. 2 (July 2, 2013): 313. http://dx.doi.org/10.5380/rf.v43i2.32614.
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ResumoNeste trabalho, são apresentados dados relativos à potencialidade do uso da madeira de Corymbia citriodora, Eucalyptus cloeziana e Eucalyptus dunnii como cruzetas de madeira para redes de distribuição de energia elétrica. Os resultados apresentam o rendimento do processo produtivo para cada espécie, com análise dos ensaios mecânicos de flexão, estudo de penetração em tratamento com o preservativo arseniato de cobre cromatado (CCA) e discussão relativa a considerações econômicas e funcionais do material madeira. A espécie Corymbia citriodora apresentou o melhor rendimento, de 75%, seguido pelo Eucalyptus cloeziana, com 42%. A espécie Eucalyptus dunnii foi desclassificada, por apresentar um rendimento de apenas 7%. Os ensaios mecânicos demonstraram que tanto a espécie Corymbia citriodora quanto a Eucalyptus cloeziana atendem aos requisitos de resistência da norma técnica NBR 8458. No tratamento preservativo das cruzetas, observou-se penetração total de CCA no alburno da espécie Corymbia citriodora, o que, em conjunto com o cerne naturalmente resistente e o rendimento produtivo, classifica essa espécie como a mais indicada entre as estudadas. Com base nos resultados obtidos, conclui-se que o uso de cruzetas de madeira é viável no Brasil, além de menos impactante ao meio ambiente, por se tratar de um recurso natural renovável.Palavras-chave: Madeira tratada; cruzetas; resistência à flexão. AbstractPotenciality of treated wood crossarms use in Brazil. This paper presents data about the potential use of wood from Corymbia citriodora, Eucalyptus cloeziana and Eucalyptus dunnii species as crossarm used on utility poles. Results presents the productive process efficiency of each specie, with mechanical properties analysis, a study of Chromated Copper Arsenate (CCA) preservative penetration in the wood and economic and functional considerations about wood as material. The Corymbia citriodora presented the highest performance, with a yield of 75%, followed by Eucalyptus cloeziana, with 42%. The specie Eucalyptus dunnii was disqualified due to a very low yield, of only 7%.The bending strength test revealed that Corymbia citriodora and Eucalyptus cloeziana attended the resistance requirements of the Brazilian Standard NBR 8458/1984. There was total penetration of CCA in the sapwood of the specie Corymbia citriodora which, with its heartwood natural resistance and production efficiency, classifies this species as the best among the ones studied. Based on the results, it is possible to conclude that the use of wood as material to crossarms in Brazil is viable, and less harmful to the environment, since it is a natural and renewable resource. Keywords: Treated wood; crossarms; bending strength.
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Couic-Marinier, Françoise, Dominique Laurain-Mattar, and Nathalie Koziol. "Huile essentielle de Corymbia citriodora." Actualités Pharmaceutiques 57, no. 577 (June 2018): 55–56. http://dx.doi.org/10.1016/j.actpha.2018.04.012.
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SIDANA, JASMEEN, DINESH NEERADI, ALKA CHOUDHARY, SUSHMA SINGH, WILLIAM J. FOLEY, and INDER PAL SINGH. "Antileishmanial polyphenols from Corymbia maculata." Journal of Chemical Sciences 125, no. 4 (July 2013): 765–75. http://dx.doi.org/10.1007/s12039-013-0440-8.
Full textDissertations / Theses on the topic "Corymbia"
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Segura, Tiago Edson Simkunas. "Avaliação das madeiras de Corymbia citriodora, Corymbia torelliana e seus híbridos visando à produção de celulose kraft branqueada." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-05012016-140345/.
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O presente trabalho teve como objetivo avaliar a utilização das madeiras de Corymbia citriodora, Corymbia torelliana e seus híbridos para a produção de celulose kraft branqueada. Para isso, as madeiras destas espécies e híbridos foram caracterizadas tecnologicamente e submetidas ao processo kraft de polpação e branqueamento, sendo comparadas à madeira de E. grandis x E. urophylla, utilizada como referência tecnológica. Ao todo, foram avaliadas sete diferentes materiais genéticos do gênero Corymbia: dois materiais de C. citriodora, com 8 e 18 anos de idade, um material de C. torelliana, com 15 anos, e quatro híbridos destas espécies, com 7 anos de idade. A madeira de E. grandis x E. urophylla apresentava 6 anos de idade. Inicialmente, as madeiras das diferentes espécies e híbridos foram caracterizadas sendo, em seguida, submetidas a um processo modificado de polpação kraft. As polpas foram deslignificadas com oxigênio e branqueadas através da sequência DA Ep D1 P visando alvura final de 89,5 ± 0,5% ISO, e tiveram suas características físico-mecânicas determinadas. O impacto das diferentes madeiras no dimensionamento de uma fábrica de celulose também foi avaliado. Os resultados mostram que as madeiras do gênero Corymbia apresentam alta densidade básica e baixo teor de lignina, além de fibras com maior comprimento, menor largura, menor diâmetro do lume, maior espessura de parede e maior fração parede em relação à madeira de E. grandis x E. urophylla. Os processos de polpação de C. citriodora (madeira de 8 anos) e E. grandis x E. urophylla demandam menor carga alcalina e fator H, resultando nos maiores rendimentos, sendo que os menores consumos específicos de madeira foram observados para as madeiras de C. citriodora. A deslignificação com oxigênio é mais eficiente para as polpas do gênero Corymbia em comparação à polpa de E. grandis x E. urophylla. No branqueamento, as polpas C. citriodora (madeira de 8 anos) e E. grandis x E. urophylla são as que demandam menor aplicação de reagentes químicos para atingir determinada alvura. Em comparação às polpas das demais espécies e híbridos avaliadas, as polpas branqueadas da espécie C. citriodora apresentam alto volume específico, baixa resistência à passagem do ar, alta capilaridade, baixo índice de retenção de água e alta resistência ao rasgo, características que recomendam a utilização da polpa desta espécie para a produção de papéis de alta absorção (tissue). Já as polpas de C. torelliana x C. citriodora apresentam baixo volume específico, alta resistência à passagem do ar e baixa capilaridade, enquanto as polpas de E. grandis x E. urophylla e de um dos materiais de C. citriodora x C. torelliana se destacam por apresentar as maiores resistências à tração, rasgo e estouro. No dimensionamento de uma fábrica de celulose, as madeiras dos híbridos de C. citriodora e C. torelliana que apresentam a espécie C. torelliana como genitor feminino (C. citriodora x C. torelliana) demandam maior atenção, principalmente nas áreas da caldeira de recuperação e caustificação, uma vez que apresentam alta demanda de álcali e alta geração de sólidos em comparação aos demais materiais genéticos.The present work aimed to evaluate the use of the woods of Corymbia citriodora, Corymbia torelliana and their hybrids on bleached kraft pulp production. Woods from these species and hybrids were technologically characterized and submitted to kraft pulping process and bleaching. These woods were compared to E. grandis x E. urophylla, which was used as technological reference. Seven different genetic materials from Corymbia were analyzed: two materials of C. citriodora, with 8 and 18 years-old, one material of C. torelliana, with 15 years-old, and four hybrids of these species, with 7 years-old. The wood of de E. grandis x E. urophylla had 6 years-old. Initially, the different woods were technologically characterized and then submitted to a modified kraft pulping process. The pulps were delignified with oxygen and bleached through a DA Ep D1 P bleaching sequence until 89,5 ± 0,5% ISO of brightness. The bleached pulps had their physical-mechanical characteristics evaluated. The impact of these different woods in a pulp mill dimensioning was also evaluated. The results show that the woods of Corymbia genus present high basic density, low lignin content and fibers with higher length, lower width, lower lumen width, higher wall thickness and higher wall fraction if compared to E. grandis x E. urophylla. The pulping of C. citriodora and E. grandis x E. urophylla demands lower alkali charge and H factor, resulting in higher yields, while the lowest wood specific consumption was observed to C. citriodora\'s woods. The oxygen delignification is more efficient for Corymbia\'s pulps than for E. grandis x E. urophylla. On bleaching, the pulps of C. citriodora (wood with 8 years-old) and E. grandis x E. urophylla are those that demand the lowest chemical reagents charges to achieve the determined brightness. The bleached pulps of C. citriodora present high specific volume, low air passage resistance, high capillarity, low water retention value and high tear index. Based on these characteristics it is possible to recommend this species to tissue papers production. The pulps of C. torelliana x C. citriodora present low specific volume, high air passage resistance and low capillarity, while the pulp of E. grandis x E. urophylla and one of the hybrids of C. citriodora x C. torelliana stands out for presenting the higher tensile, tear and burst indexes. In a pulp mill dimensioning, the woods of C. torelliana x C. citriodora demands higher attention, mainly on recovery boiler and causticizing, for presenting high alkali demand and high solids generation in comparison to the other genetic materials.
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Burch, Coleman Patrick. "Adhesion Fundamentals in Spotted Gum (Corymbia citriodora)." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/78206.
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The goal of this project was to advance adhesion science and technology related to the Australian hardwood spotted gum (Corymbia citriodora). Plantation-grown spotted gum exhibits poor adhesion properties in comparison with similar woods, such as Gympie messmate (Eucalyptus cloeziana). To better understand adhesion differences between these two woods, this research compared and contrasted the surface chemistries of plantation-grown spotted gum and Gympie messmate with a particular focus on sensitivity to thermal deactivation.
Wetting measurements were performed using the sessile drop method. Initial and equilibrium contact angles, time-dependent wetting, and surface energy were determined. Time-dependent wetting and equilibrium contact angles were most informative. Initial contact angles and surface energy calculated with them were misleading and often generated anomalous results.
Heating water-saturated wood to mild surface temperatures (105 deg C, directly after evaporative cooling) severely deactivated spotted gum but not Gympie messmate. This suggests conventional kiln drying appears unsuitable for spotted gum while amenable for Gympie messmate. Spotted gum likely requires non-aqueous, low surface tension adhesives or aqueous adhesives formulated with surface active wetting agents.
Water-saturation (followed by room-temperature vacuum drying) substantially altered the surface chemistries of both woods, making them more hydrophilic. Consequently, the question was raised of whether a water-spray onto the wood surface prior to adhesive application could improve bonding. If so, this simple, industrially-feasible treatment could prove very beneficial to the wood composites industry. Water-saturation also revealed differences in the two wood's water permeability, which has implications for adhesive penetration and wood drying and may additionally help explain adhesion differences.
Analysis of the plantation-grown heartwood (inner, middle, and outer heartwood regions) revealed significant wetting differences on spotted gum with only minor differences on Gympie messmate.
The Australian woods were compared to two North American woods-loblolly pine (Pinus taeda) and Douglas-fir (Pseudotsuga menziesii). Examining water wetting measurements, the Australian and North American woods exhibited some interesting similarities. However, methylene iodide wetting measurements revealed that the Australian woods were quite different from the North American samples studied here.Master of Science
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Souza, Denys Matheus Santana Costa. "Fontes de luz na micropropagação de clones híbridos de Corymbia." Universidade Federal de Viçosa, 2018. http://www.locus.ufv.br/handle/123456789/19917.
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A importância das espécies do gênero Corymbia e de seus híbridos interespecíficos tem sido evidenciada nos programas de silvicultura, principalmente devido à sua qualidade da madeira e capacidade de adaptações as condições ambientais. Essas considerações têm estimulado o desenvolvimento de protocolos mais eficientes na propagação vegetativa necessária para a clonagem destas plantas. O presente estudo teve como objetivo geral a micropropagação de clones híbridos de Corymbia torelliana x C. citriodora e Corymbia citriodora x C. torelliana, e especificamente avaliar: i) o efeito da fonte de luz na introdução in vitro de clones híbridos de Corymbia torelliana x C. citriodora e Corymbia citriodora x C. torelliana; ii) o efeito da fonte de luz, regulador de crescimento BA e o número de subcultivos na fase de multiplicação in vitro de clones híbridos de Corymbia torelliana x C. citriodora e Corymbia citriodora x C. torelliana, e; iii) o efeito da fonte de luz, trocas gasosas e concentração de sacarose no alongamento in vitro e porcentagem de enraizamento e sobrevivência in vitro e ex vitro de microestacasde clones híbridos de Corymbia torelliana x C. citriodora e Corymbia citriodora x C. torelliana. O material experimental utilizado para obtenção dos explantes foi proveniente de minicepas de três clones híbridos de Corymbia torelliana x C. citriodora (TC01, TC02, TC03) e um de Corymbia citriodora x C. torelliana (CT01). Os experimentos in vitro foram conduzidos no Laboratório de Cultura de Tecidos II do Instituto de Biotecnologia Aplicada à Agropecuária (BIOAGRO), da Universidade Federal de Viçosa (UFV), localizado no município de Viçosa/MG, e o experimentos ex vitro foram conduzidos no Viveiro de Pesquisas do Departamento de Engenharia Florestal da UFV. Com base nos resultados obtidos, pode-se concluir que: i) o uso da fonte de luz LEDs correspondeu aos melhores resultados, para as características avaliadas na introdução in vitro; ii) o uso de LEDs vermelho azul obteve os melhores resultados, para os clones analisados na multiplicação in vitro; os explantes apresentaram resposta eficiente ao estimulo do regulador de crescimento BA, na concentração de 0,5 mg L- 1 para os clones Corymbia torelliana x C. Citriodora (TC01, TC02 e TC03) e 1,0 mg L- 1 para o clone Corymbia citriodora x C. torelliana (CT01), promovendo maior número de brotações; quanto ao número de subcultivos os melhores resultados foi diante do nono subcultivo, no qual conseguiu atingir maiores valores para o número de brotos por explante e vigor; iii) o uso de LEDs vermelho azul proporcionou a melhor resposta, para os clones analisados no alongamento e enraizamento in vitro; a concentração de 15g L -1 de sacarose apresentou os melhores resultados diante das variáveis analisadas, concentração essa que apresenta redução desse componente no meio nessas condições de cultivo; os explantes alongados (microestacas) apresentaram melhor resposta ao enraizamento e sobrevivência das plantas obtidas na condição in vitro.
The importance of the species belonging to the genus Corymbia and its interspecific hybrids has been highlighted in the silviculture programs, mainly due to its wood quality and adaptability to the environmental conditions. These considerations have stimulated the development of an efficient protocol for the vegetative propagation necessary for the cloning of these plants. The present study had the general objective of micropropagating hybrid clones of Corymbia torelliana x C. citriodora and Corymbia citriodora x C. torelliana, and specifically to evaluate: i) the effect of the light source on the in vitro introduction of hybrid clones of Corymbia torelliana x C. citriodora and Corymbia citriodora x C. torelliana; ii) the effect of the light source, growth regulator BA and the number of subcultures on the in vitro multiplication phase of hybrid clones of Corymbia torelliana x C. citriodora and Corymbia citriodora x C. torelliana, and; iii) the effect of light source, gas exchange and sucrose concentration on in vitro elongation and percentage of rooting and in vitro and ex vitro survival of micro-cuttings of hybrid clones of Corymbia torelliana x C. citriodora and Corymbia citriodora x C. torelliana. The experimental material used to obtain the explants was from mini-stumps of three hybrid clones of Corymbia torelliana x C. citriodora (TC01, TC02, TC03) and one of Corymbia citriodora x C. torelliana (CT01). The in vitro experiments were conducted at the Tissue Culture Laboratory II of the Institute of Applied Biotechnology for Agriculture, Federal University of Viçosa (UFV), Viçosa/MG, and the ex vitro experiments were conducted at the Research Nursery of the Forest Engineering Department of UFV. Based on the results, it can be concluded that: i) the use of the LED light source corresponded to the best results, for the characteristics evaluated in the in vitro introduction; ii) the use of red blue LEDs generated the best results for the clones analyzed in the in vitro multiplication; the explants presented efficient response to BA growth regulator at 0.5 mg L-1 concentration for Corymbia torelliana x C. Citriodora clones (TC01, TC02 and TC03) and 1.0 mg L-1 for the clone Corymbia citriodora x C. torelliana (CT01), promoting greater number of shoots; as to the number of subcultures the best results were in the ninth subculture, in which it was able to reach higher values for the number of shoots per explant and vigor; iii) the use of red blue LEDs provided the best response, for the clones analyzed in the in vitro elongation and rooting; the concentration of 15 g L-1 of sucrose presented the best results in relation to the analyzed variables, a concentration that shows a reduction of this component in the medium under these conditions of cultivation; the elongated explants (micro- shoots) showed a better response to the rooting and survival of the plants obtained in the in vitro condition.
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Zacarias, Demétrio [UNESP]. "Análise do processo de lixamento tubular da madeira de Corymbia citriodora." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/94435.
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Neste trabalho é apresentado e avaliado o processo de lixamento tubular da espécie de Corymbia citriodora. O objetivo principal foi conhecer a influência e a interação das variáveis de entrada: velocidade de corte, de avanço e granulometria de lixa, sobre as variáveis de saída: rugosidade, potência consumida, emissão acústica e vibração, no processo de lixamento tubular da madeira de Corymbia citriodora. Foi utilizada uma lixadeira tubular, com 2 cabeçotes de lixa, um para lixa de desbaste e outro para lixa de acabamento. O processo foi monitorado e foi realizada aquisição dos dados. Com 4 velocidades de corte, 4 velocidade de avanço e 3 conjuntos de lixas, foram feitas 3 repetições para cada combinação, resultando em 144 ensaios. Os resultados foram analisados estatisticamente através de análise de variância (ANOVA) com nível de significância de 5%, acompanhado do teste de Tukey. Para todas as variáveis: rugosidade, potência consumida, emissão acústica e vibração, foi observado que os fatores conjunto de lixas, velocidade de corte e de avanço, tiveram influência significativa no processo de lixamento tubular do Corymbia citriodora
This work is presented and evaluated the process of tubular sanding of Corymbia citriodora. The main objective was to determine the influence and interaction of input variables: cutting speed, feed speed and grain size of sand on the output variables: roughness, power consumption, acoustic emission and vibration in the process of tubular sanding of Corymbia citriodora. We used a tubular sander with 2 sanding heads, one for roughing and another to finishing sanding. The process was monitored and data acquisition was made. With 4 cutting speeds, 4 feed rate and 4 sets of 3 abrasives, 3 replicates were performed for each combination, resulting 144 tests. The results were analyzed statistically using analysis of variance (ANOVA) with significance level of 5%, followed by the Tukey test. For all variables: roughness, power consumption, acoustic emission and vibration, it was observed that the factors of sanding, cutting speed and feed, had significant influence in the process of tubular sanding of Corymbia citriodora
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Zacarias, Demétrio. "Análise do processo de lixamento tubular da madeira de Corymbia citriodora /." Guaratinguetá : [s.n.], 2012. http://hdl.handle.net/11449/94435.
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Orientador: Manoel Cleber de Sampaio AlvesCoorientador: Marcos Tadeu Tiburcio Gonçalves
Banca: Marcos Valério Ribeiro
Banca: Ivaldo de Domenico Valarelli
Resumo: Neste trabalho é apresentado e avaliado o processo de lixamento tubular da espécie de Corymbia citriodora. O objetivo principal foi conhecer a influência e a interação das variáveis de entrada: velocidade de corte, de avanço e granulometria de lixa, sobre as variáveis de saída: rugosidade, potência consumida, emissão acústica e vibração, no processo de lixamento tubular da madeira de Corymbia citriodora. Foi utilizada uma lixadeira tubular, com 2 cabeçotes de lixa, um para lixa de desbaste e outro para lixa de acabamento. O processo foi monitorado e foi realizada aquisição dos dados. Com 4 velocidades de corte, 4 velocidade de avanço e 3 conjuntos de lixas, foram feitas 3 repetições para cada combinação, resultando em 144 ensaios. Os resultados foram analisados estatisticamente através de análise de variância (ANOVA) com nível de significância de 5%, acompanhado do teste de Tukey. Para todas as variáveis: rugosidade, potência consumida, emissão acústica e vibração, foi observado que os fatores conjunto de lixas, velocidade de corte e de avanço, tiveram influência significativa no processo de lixamento tubular do Corymbia citriodora
Abstract: This work is presented and evaluated the process of tubular sanding of Corymbia citriodora. The main objective was to determine the influence and interaction of input variables: cutting speed, feed speed and grain size of sand on the output variables: roughness, power consumption, acoustic emission and vibration in the process of tubular sanding of Corymbia citriodora. We used a tubular sander with 2 sanding heads, one for roughing and another to finishing sanding. The process was monitored and data acquisition was made. With 4 cutting speeds, 4 feed rate and 4 sets of 3 abrasives, 3 replicates were performed for each combination, resulting 144 tests. The results were analyzed statistically using analysis of variance (ANOVA) with significance level of 5%, followed by the Tukey test. For all variables: roughness, power consumption, acoustic emission and vibration, it was observed that the factors of sanding, cutting speed and feed, had significant influence in the process of tubular sanding of Corymbia citriodora
Mestre
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Iossaqui, Camila Gonçalves. "Qualidade de mudas de Corymbia citriodora em diferentes frequências de fertirrigações." Universidade Estadual de Londrina. Centro de Ciências Agrárias. Programa de Pós-Graduação em Agronomia, 2015. http://www.bibliotecadigital.uel.br/document/?code=vtls000201508.
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Este estudo teve por objetivo verificar a influência do fracionamento da adubação, por meio da técnica de fertirrigação na qualidade e crescimento de mudas de Corymbia citriodora (Hook) K. D. Hill & L.A.S. Johnson. O experimento foi instalado seguindo o delineamento inteiramente casualizado com seis repetições de 114 plantas por parcela, sendo os seguintes tratamentos, T1 = sem fertirrigação, T2 = uma fertirrigação a cada sete dias e T3 = uma fertirrigação a cada quatorze dias, aplicando-se 1 litro da solução contendo 7,04 g de N, 14,08 g de P2O5 e 7,04 g de K2O. A avaliação do crescimento e da qualidade da muda ocorreu aos 80, 95 e 110 dias após a emergência (DAE). Os parâmetros morfológicos determinados foram área foliar (AF), número de folhas (NF), altura da parte aérea (APA), diâmetro do coleto (DC), massa seca de folhas (MSF), caule (MSC), masa seca da parte aérea (MSPA) e das raízes (MSR), massa seca total (MST), relação parte aérea com o sistema radicular (RPAR), relação da parte aérea com o diâmetro do coleto (RAD), índice de qualidade de Dickson (IQD). O potencial de regeneração de raízes (PRR) de mudas submetidas a condições estressantes foram avaliadas aos 25 dias após o transplantio. Os dados foram submetidos à análise de variância e as médias comparadas pelo teste de Tukey ao nível de 5% de probabilidade. As mudas aos 110 DAE, com uma fertirrigação a cada sete dias e uma fertirrigação a cada quatorze dias apresentaram os melhores parâmetros morfológicos, como maior NF, AF, DC, APA, MSF, MSC, MSPA, MSR, MST, RAD, exceto para a RPAR que não houve diferença significativa entre os tratamentos. O IQD indicou que as mudas de Corymbia citriodora para os T2 e T3 aos 110 DAE se tornaram aptas ao plantio em local definitivo. Os T2 e T3 não apresentaram diferença significativa, apenas em relação ao tratamento sem fertirrigação (T1) para os parâmetros morfológicos avaliados e os índices de qualidade de dickson. As mudas que receberam fertirrigação apresentaram maior potencial de regeneração de raízes, apesar de não apresentar significância. O período com as maiores médias dos parâmetros avaliados foi alcançado com 110 DAE, sendo este o período mais adequado para o plantio das mudas a campo.This study aimed to investigate the influence of fractionation of fertilization, through fertirrigation technique in quality and growth Corymbia citriodora (Hook) K. D. Hill & L.A.S. Johnson. The experiment was carried out following the completely randomized design with six replications of 114 plants per plot, with the following treatments, T1 = no fertirrigation, T2 = one fertirrigation every seven days and T3 = one fertirrigation every fourteen days, applying 1 liter of solution containing 7,04 g of N, 14,08 g of P2O5 and 7,04 g of K2O. Evaluation of growth and seedlings in the quality occurred at 80, 95 and 110 days after emergence (DAE). Certain morphological parameters were leaf area (AF), number of leaves (NF), aerial parts height (APA), stalk diameter (DC), dry mass of leaves (MSF), stem (MSC), dry mass of the part air (MSPA) and root (MSR), total dry matter (MST), aerial parts relationship with the root system (RPAR), aerial parts height relationship with the stalk diameter (RAD), Dickson quality index (IQD). The root regeneration potential (P.R.R) seedlings submitted to stressful conditions were evaluated at 25 days after transplanting. Data were subjected to analysis of variance and means compared by Tukey test at 5% probability. Seedlings to 110 DAE, with a fertirrigation every seven days and fertirrigation every fourteen days showed the best morphological parameters, such as increased NF, AF, DC, APA, MSF, MSC, MSPA, MSR, MST, RAD, except for the RPAR no significant difference between treatments. The IQD indicated that the seedlings of Corymbia citriodora for T2 and T3 at 110 (DAE) became suitable for planting in situ. The T2 and T3 showed no significant difference, only in relation to treatment without fertigation (T1) for the evaluated morphological parameters and the Dickson quality scores. The seedlings receiving fertirrigation had greater potential for regeneration of roots, although no significance. The period with the highest average of the evaluated parameters was achieved with 110 (DAE), the most favorable period for planting the seedlings in the field.
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Duong, Hoa Thanh. "Quambalaria shoot blight in Corymbia calophylla: Detection, pathogenicity, and host resistance." Thesis, Duong, Hoa Thanh ORCID: 0000-0001-6183-6141 (2022) Quambalaria shoot blight in Corymbia calophylla: Detection, pathogenicity, and host resistance. PhD thesis, Murdoch University, 2022. https://researchrepository.murdoch.edu.au/id/eprint/64599/.
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Quambalaria shoot blight (QSB) caused by the non-native pathogen Quambalaria pitereka has been recently introduced to south-west Western Australia (SWWA). It affects the leaves, buds, flowers, and fruits of the keystone tree species Corymbia calophylla (marri) and can lead to the death of young trees. This project examined the potential to establish a disease resistance program for marri to QSB by (1) developing qPCR assays for the rapid and sensitive detection of Q. pitereka from plant tissues, (2) investigating the pathogenicity of Q. pitereka isolates collected in SWWA; (3) screening for QSB resistance of 3-month-old seedlings under glasshouse conditions; and (4) estimating the genetic control of growth traits and QSB resistance in four-, and six-year old trees in two common garden trials containing 165 - 170 open-pollinated families from 18 provenances of marri from across its natural range. As disease expression in QSB is similar to myrtle rust (Austropuccinia psidii), in a glasshouse experiment, seedlings were also screened for resistance to myrtle rust to test whether resistance to both diseases is linked. A qPCR assay for the rapid and sensitive detection of Q. pitereka from plant tissues was developed. Inoculation of seedlings with several Q. pitereka isolates demonstrated that they varied in their pathogenicity ranging from those that caused no disease symptoms to ones that were highly pathogenic in seedlings. There were significant differences in resistance to both QSB and myrtle rust between seedling provenances but no significant correlation between resistance to QSB and myrtle rust. In the common garden field trials, narrow-sense heritability for all growth traits and QSB damage were low to moderate (h2 = 0.11 - 0.26). A correlation between QSB damage and growth traits indicated that fastgrowing provenances were less damaged by QSB disease. The genetic correlation between the same traits at four and six years was strong, and the Type-B correlations were strongly positive for all traits. Both disease incidence and disease severity were assessed and gave similar results, but disease incidence is the easiest to assess in older trees. There was poor correlation between the provenance resistance assessed at the seedling stage and trees at four and six years of age. Provenances from cooler wetter regions showed higher resistance in the field trials than those from warmer, drier areas. Results suggest that selection for QSB resistance cannot be assessed in seedlings but may be reliably undertaken by assessing disease incidence on four-year old trees at the earliest. The results of this study indicate a strong potential for a resistance breeding program to develop populations of genetically diverse and resistant trees.
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Ferreira, Angel Thiane Boschiero. "Avaliação da estrutura anatômica e da densidade aparente do lenho e do carvão de árvores de Eucalyptus sp. e de Corymbia sp." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-09122013-165413/.
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A madeira é considerada como estratégica como produto base para inúmeros setores e segmentos da economia mundial e nacional, para a produção de móveis, pisos, construção, celulose, papel e outros produtos e, ainda, no setor energético, para a produção de álcool, e, em especial no Brasil, para o carvão vegetal, em siderúrgicas. O carvão da madeira de florestas plantadas de eucaliptos traz um maior benefício ao país, pela redução da pressão da exploração da madeira das florestas nativas. A transformação da madeira em carvão ocorre através de tratamento térmico, compreendendo diversas fases de aquecimento, com consequente alteração da madeira, como a perda de água, contração, degradação e ruptura da parede celular dos seus elementos anatômicos. Neste aspecto, são incipientes os estudos das alterações da anatomia da madeira dos eucaliptos resultantes do processo de carbonização e sua aplicação na melhoria da estrutura e da qualidade do carvão. Pelo exposto, o presente trabalho tem como objetivo estudar as alterações da estrutura anatômica, densidade aparente e variação dimensional da madeira e do carvão de árvores de 19 clones/espécies/híbridos de Eucalyptus e Corymbia, de plantações da Aperam Bioenergia Jequitinhonha, da região do Vale do Jequitinhonha/MG. Após a análise anatômica macroscópica e de densitometria de raios X, assim como as medições dimensionais de todos as amostras, a madeira das árvores de Eucalyptus e Corymbia foi submetida ao tratamento térmico de carbonização (450ºC) e, na sequência, aplicados métodos de análise da anatomia microscópica, de densitometria de raios X e de avaliação da contração/redução dimensional. Os resultados das análises anatômicas mostraram que os vasos do lenho próximos da medula e da casca são de menor diâmetro-maior frequência e maior diâmetro-menor frequência, respectivamente, com os clones de maior densidade com menor dimensão-maior frequência dos vasos. A análise microscópica comparada da madeira e do carvão mostrou a alteração dos vasos de formato circular a ovalado-oblongo, redução do diâmetro tangencial e aumento da frequência. Da mesma forma, os resultados indicaram que a densidade aparente da madeira é, de modo geral, 50% maior do que a do carvão. Os clones de madeira e de carvão de maior densidade aparente foram os de C. citriodora e o de C. toreliana x C. citriodora; os de menor densidade aparente foram os de E. urophylla x (E. camaldulensis x E. grandis) e de E. urophylla. Verificou-se, ainda, que a redução/contração da madeira na carbonização foi maior nos sentidos tangencial (26,06%) e radial (15,94%) e nos clones de maior densidade aparente.Wood is considered as a strategic base product for numerous industries and sectors of the world and national economy, for the furniture production, flooring, construction, pulp, paper and other products, and also in the energy sector for the production of alcohol, and especially in Brazil, to produce charcoal for the steel manufacture. The charcoal from planted forests of eucalyptus brings a greater benefit to the country, by reducing the pressure of the logging of native forests. The transformation of wood charcoal occurs through heat treatment comprising various stages of heating, with consequent alteration of the wood, such as water loss, shrinkage, and degradation of the cell wall rupture of their anatomical elements. In this aspect, are incipient the studies of the wood anatomy changes of eucalypts resulting from the carbonization process and its application in improving the structure and quality of the charcoal. For these reasons, the present work aims to study the changes of anatomical structure, apparent density and dimensional change of the wood and the charcoal from trees of 19 clones/species/hybrids of Eucalyptus and Corymbia plantations from Aperam Bioenergy Jequitinhonha, coming from the region Jequitinhonha Valley/MG. After the anatomical analysis macroscopic and X-ray densitometry, as well the dimensional measurements of all the samples, the wood of Eucalyptus and Corymbia trees was subjected to the heat treatment of carbonization (450° C) and, subsequently, applied methods for the analysis of microscopic anatomy, X-ray densitometry and evaluation of contraction/dimensional reduction. The analysis results showed that the anatomical vessels near the spinal wood and bark are in smaller diameter, higher - frequency and larger-diameter lower frequency, respectively, and clones with higher density has higher frequency and smaller vessels. Microscopic analysis compared the wood and charcoal showed the change in vessels circular shape oblong-oval, reducing the diameter and increasing shear rate. Likewise, the results indicated that the apparent density of the wood is generally 50% greater than that of charcoal. The clones with the highest density were C. citriodora and C. toreliana x C. citriodora, the lower density were E. urophylla x (E. grandis x camaldulensis) and E. urophylla. It was also found that the reduction/shrinkage of the wood after carbonization was greater in the tangential directions (26.06 %) and radial (15.94 %) and in the clones of higher apparent density.
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Freitas, Brenno Cunha. "Modelos de taper para Corymbia citriodora no sul do estado do Tocantins." Universidade Federal do Tocantins, 2017. http://hdl.handle.net/11612/672.
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Este trabalho teve por objetivo avaliar modelos de taper para Corymbia citriodora com 55 meses de idade no Sul do estado do Tocantins. Foram utilizadas 35 árvores amostras cubadas com a obtenção dos diâmetros com e sem casca nas posições 0,2 m, 0,4 m, 0,7 m, 1,3m, 2,7 m e, a partir deste ponto em diante a cada 2 metros até um diâmetro em torno de 1,0 cm com casca. Para avaliação dos modelos utilizou-se as seguintes estatísticas: coeficiente de determinação ajustado, erro padrão da estimativa, distribuição gráfica dos resíduos, média dos desvios absolutos, desvio padrão das diferenças, soma dos quadrados dos resíduos relativos, média dos desvios percentuais, raiz quadrada do erro médio, viés e coeficiente de correlação múltipla. Além disso, avaliou-se a viabilidade da utilização da variável binária “Tx” no ajuste simultâneo para dados com e sem casca. Concluiu-se, portanto, que o modelo de Muhairwe I obteve os melhores resultados para as estatísticas utilizadas, bem como a confirmação da viabilidade em se obter o ajuste diamétrico com uma só equação através da inclusão da variável Tx.The objective of this study was to evaluate taper models for Corymbia citriodora at 55 months of age in the southern state of Tocantins. Thirty-five trees were used to obtain the diameters with and without bark at the positions 0.2 m, 0.4 m, 0.7 m, 1.3 m, 2.7 m and from this point forward every 2 meters to a diameter of about 1.0 cm in bark. For the evaluation of the models, the following statistics were used: adjusted coefficient of determination, standard error of the estimate, graphical distribution of the residuals, mean absolute deviations, standard deviation of the differences, sum of the squares of relative residues, mean of the percentage deviations, square root of mean error, bias and multiple correlation coefficient. In addition, we evaluated the feasibility of using the binary variable "Tx" in the simultaneous adjustment for data with and without shell. It was concluded, therefore, that the Muhairwe I model obtained the best results for the statistics used, as well as the confirmation of the feasibility in obtaining the diametric adjustment with a single equation through the inclusion of the variable Tx.
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Terra, David Lucas Camargo Vieira. "Volume do tronco de corymbia citriodora empregando o método da altura relativa." Universidade Federal do Tocantins, 2017. http://hdl.handle.net/11612/678.
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Neste estudo o objetivo foi avaliar modelos de taper para descrever o perfil do
fuste de Corymbia citriodora. Os dados utilizados foram obtidos de um plantio
comercial localizado na região Sul do estado do Tocantins. Foram utilizados
dados de 24 árvores de Corymbia citriodora cubadas rigorosamente com
medições de diâmetros nas posições do fuste: 0,2; 0,4; 0,7; 1,3; 2,70 m e,
sucessivamente, de 2 m em 2 m até um diâmetro em torno de 3 cm com casca.
Foram testados 44 modelos de taper, sendo 25 lineares e 19 não lineares. Na
avaliação destes modelos, considerou-se a análise da distribuição de resíduos,
e a estatísticas: erro padrão da estimativa, coeficiente de determinação,
delineamento em blocos casualizados com arranjo de parcelas subdivididas,
desvio absoluto médio, raiz quadrada do erro médio, soma de quadrados dos
resíduos, desvio padrão das diferenças, critério de informação de Akaike. O
modelo com melhor desempenho foi um do tipo expoente-forma ajustado na
forma não linear. Após definido este melhor modelo, desenvolveu-se o método
da altura relativa para simular uma cubagem rigorosa a fim de proceder ao seu
ajuste e comparação com o ajuste obtido por meio de uma cubagem rigorosa
real. Nesta comparação utilizaram-se os critérios estatísticos: desvio médio,
bias, correlação linear, erro padrão da estimativa, entre valores observados e
estimados, precisão, obtida pelo teste de qui-quadrado e raiz quadrada do erro,
além de análise da distribuição dos resíduos. Concluiu-se que o uso de uma
cubagem simulada pelo método da altura relativa estima bem uma equação de
taper como a que se obtém pelo uso de dados reais.In this study, evaluate the control models to describe the profile of the Corymbia citriodora. The data used are obtained from a commercial plant located in the southern region of the state of Tocantins. There are data from 24 Corymbia citriodora trees accurately cubed with diameter measurements in stem families: 0.2; 0.4; 0.7; 1,3; 2.70 m and, successively, from 2 m in 2 m to a diameter of around 3 cm in shell. 44 taper models were tested, being 25 linear and 19 nonlinear. In the evaluation of these models, we consider an analysis of the distribution of residues, and statistics: standard error of estimation, coefficient of determination, randomized block design with split plot arrangement, mean absolute deviation, square root of mean error, sum of squares of residuals, standard deviation of the differences, Akaike's information criterion. The bestperforming model for an exponent-shape fit type adjusted in nonlinear form. This version has a long list of corrections, changes, and new developments that significantly improve functioning. In this comparison, statistical criteria are used: mean deviation, bias, linear correlation, standard error of the estimate, between observed and estimated values, precision, obtained by square test and square root of error, as well as analysis of distribution and residues. It was concluded that the use of a cube simulated by the method of elevation of the estimate, as well as a conciliation equation as one obtains by the use of real data.
Books on the topic "Corymbia"
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Selección de nuevas especies para zonas con déficit hídrico. Producto 3. INFOR, 2009. http://dx.doi.org/10.52904/20.500.12220/17871.
Full textAbstract:
Informe técnico elaborado para la evaluación y selección de especies forestales idóneas para establecer plantaciones en zonas con escasas precipitaciones, realizando ensayos en zonas áridas con el objeto de proponer nuevas especies. Se analiza el comportamiento y desempeño de Corymbia maculata y de distintas especies de Eucalyptus, así como de distintos clones de E. camaldulensis establecidos en plantaciones experimentales en la IV y V regiones del país
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Corymb. Seattle, Wash: Feminist Writers Guild, 1986.
Find full textBook chapters on the topic "Corymbia"
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Lim, T. K. "Corymbia calophylla." In Edible Medicinal and Non Medicinal Plants, 456–59. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8748-2_31.
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Azimova, Shakhnoza S., and Anna I. Glushenkova. "Nicotiana corymbosa." In Lipids, Lipophilic Components and Essential Oils from Plant Sources, 896. London: Springer London, 2012. http://dx.doi.org/10.1007/978-0-85729-323-7_2877.
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Khare, C. P. "Polycarpaea corymbosa Lam." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_1247.
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Khare, C. P. "Hedyotis corymbosa (Linn.) Lam." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_733.
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Khare, C. P. "Rivea corymbosa Hallier f." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_1352.
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Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Chamaescilla corymbosa (Blue stars, Blue squill)." In Encyclopedia of Plant Viruses and Viroids, 487. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_198.
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Barthold, Stephen W. "Corymb acterium kutscheri Infection, Liver, Mouse and Rat." In Digestive System, 209–13. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-662-25996-2_30.
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Tresina, P. S. "A PHYTOPHARMACOLOGICAL REVIEW OF Polycarpaea corymbosa (L.) Lam.: A POTENTIAL SOURCE OF NATURAL MEDICINE." In Ethnomedicinal Plants with Therapeutic Properties, 1–19. Includes bibliographical references and index.: Apple Academic Press, 2019. http://dx.doi.org/10.1201/9780429487767-1.
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Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Oxalis spp. (Oxalis triangularis, O. regnellii, O. corymbosa, O. debilis, O. corniculata, O. acetosella) (False shamrock)." In Encyclopedia of Plant Viruses and Viroids, 1703–5. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_645.
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Acharya, Kamal Prasad, Yagya P. Adhikari, and Ripu M. Kunwar. "Coelogyne barbata Lindl. ex Griff. Coelogyne corymbosa Lindl. Coelogyne cristata Lindl. Coelogyne fimbriata Lindl. Coelogyne flaccida Lindl. Coelogyne fuscescens Lindl. Coelogyne nitida (Wall. ex D. Don) Lindl. Coelogyne ovalis Lindl. Coelogyne prolifera Lindl. Coelogyne punctulata Lindl. Coelogyne stricta (D. Don) Schltr. Orchidaceae." In Ethnobotany of the Himalayas, 1–13. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45597-2_62-1.
Full textConference papers on the topic "Corymbia"
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FREITAS, J. V. de, and M. C. FERREIRA. "SECAGEM DE FOLHAS DE EUCALIPTO (Corymbia citrodora) EM SECADOR TIPO CESTO ROTATIVO." In XX Congresso Brasileiro de Engenharia Química. São Paulo: Editora Edgard Blücher, 2015. http://dx.doi.org/10.5151/chemeng-cobeq2014-0730-24263-172526.
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Dias da Silva, Mateus, Glauce Taís de Oliveira Sousa Azevedo, Gileno Brito Azevedo, Vitória Silvestre Piccinin, João Victor Sampaio da Silva, Guilherme Oliveira Barbosa, and Lucas da Silva Ribeiro. "QUALIDADE DE MUDAS DE CORYMBIA CITRIODORA EM DIFERENTES SUBSTRATOS E DOSES DE BACILLUS SUBTILIS." In 9° Congresso Florestal Brasileiro. Rio Grande do Sul: Softaliza Tecnologias LTDA, 2022. http://dx.doi.org/10.55592/cfb.2022.1385986.
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Xavier, C. N., A. M. Nascimento, C. E. S. Silva, P. V. Santos, J. H. C. Pace, and A. M. Carvalho. "Resistência ao embutimento da madeira de Corymbia citriodora Hill & Johnson em diferentes idades, utilizando pinos metálicos." In VIII Simpósio Brasileiro de Pós-Graduação em Ciências Florestais. Recife, Pernambuco, Brasil: Universidade Federal Rural de Pernambuco, 2014. http://dx.doi.org/10.12702/viii.simposfloresta.2014.223-671-3.
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Niu, Fang-Hua, Zhi-Hui Li, Anish Malladi, Dong-Lin Zhang, and Mai-He Li. "Expression Dynamics of Two Pht1 Genes in Eucalyptus dunnii and Corymbia citriodora in Relation to Phosphate Supply." In 2015 International Conference on Medicine and Biopharmaceutical. WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789814719810_0176.
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FREITAS, JULIANA VIEIRA DE, and MARIA DO CARMO FERREIRA. "DESENVOLVIMENTO DE UM SECADOR DE CESTO ROTATIVO PARA FOLHAS: APLICAÇÃO NA SECAGEM DE FOLHAS DE EUCALIPTO (CORYMBIA CITRIODORA)." In XXXVII Congresso Brasileiro de Sistemas Particulados. São Paulo: Editora Edgard Blücher, 2015. http://dx.doi.org/10.5151/enemp2015-se-239.
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Santos, P. V., M. A. Silva, A. F. Dias Júnior, J. H. C. Pace, C. E. S. Silva, C. N. Xavier, and A. M. Carvalho. "Comportamento da cor da madeira de Corymbia citriodora (Hook.) K. D. Hill & L.A.S. Johnson após o processo de termorretificação." In VIII Simpósio Brasileiro de Pós-Graduação em Ciências Florestais. Recife, Pernambuco, Brasil: Universidade Federal Rural de Pernambuco, 2014. http://dx.doi.org/10.12702/viii.simposfloresta.2014.220-369-1.
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SANTANA, Ingrid Silva Assis. "Produção de elementos de vedação (cobogó) a partir da fibra da cana de açúcar e de eucalipto da espécie Corymbia citridora reforçada com resina." In Anais da Mostra de Pesquisa em Ciência e Tecnologia 2017. Recife, Brasil: Even3, 2017. http://dx.doi.org/10.29327/13461.8-27.
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Yulizar, Y., I. Latifah, R. Bakri, and D. O. B. Apriandanu. "Plants extract mediated synthesis of copper (II) oxide nanoparticles using Oldenlandia corymbosa L. leaf." In PROCEEDINGS OF THE 3RD INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES 2017 (ISCPMS2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5064094.
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Dần, Trần Quang, and Phạm Công Anh and Võ Châu Tuấn. "ẢNH HƯỞNG CỦA MẶN VÀ HẠN ĐẾN SINH TRƯỞNG CỦA CÂY THUỐC BẠCH CỔ ĐINH (Polycarpaea corymbosa (L.) Lam.)." In NGHIÊN CỨU VÀ GIẢNG DẠY SINH HỌC Ở VIỆT NAM - BIOLOGICAL RESEARCH AND TEACHING IN VIETNAM. Nhà xuất bản Khoa học tự nhiên và Công nghệ, 2022. http://dx.doi.org/10.15625/vap.2022.0051.
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Ewemoje, Oluseyi E., Abimbola Y. Sangodoyin, Adeniyi A. Jayeola, and Tyler S. Radniecki. "Improved procedure for germination of Coix lacrima-jobi (Poaceae) and Rhynchospora corymbosa (Cyperaceae) seeds in Environmental Chamber and Greenhouse." In 2019 Boston, Massachusetts July 7- July 10, 2019. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2019. http://dx.doi.org/10.13031/aim.201900362.
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