Variação genética para caracteres anatômicos e retração volumétrica e sua correlação com a densidade básica da madeira em uma população base de Eucalyptus camaldulensis Dehn
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://www.ipef.br/publicacoes/scientia/nr86/cap04.pdf http://hdl.handle.net/11449/71710 |
Resumo: | Eucalyptus camaldulensis has great importance in Brazil because of their phenotypic plasticity for different environmental conditions, as soils, altitudes and rainfall. This study is an investigation of a base population of E. camaldulensis from Australia through a progeny test implanted in Selvíria, MS. The trial was established in a randomized block design, with 25 families and 60 replications of single tree plots. Genetic parameters for anatomic traits and volume shrinkage were estimated, as well as their correlations with wood basic density. No significant differences among progenies were observed for the traits studied. The additive genetic variation coefficient at individual and among progeny levels ranged from low (0.26%) to high (16.98%). The narrow sense heritability at individual and family means levels also ranged from low (0.01) to high (0.87). This indicates that some traits are under strong genetic control and can be improved by selection. In the present situation, in order to attain the highest genetic gains, the sequential selection among and within progeny would be recommended. |
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Variação genética para caracteres anatômicos e retração volumétrica e sua correlação com a densidade básica da madeira em uma população base de Eucalyptus camaldulensis DehnGenetic variation for anatomic traits and volume shrinkage and their correlation with wood basic density in an Eucalyptus camaldulensis Dehn base populationGenetic gainsHeritabilityProgeny testTree breedingVariabilityAS-soilsAustraliaBlock designsEnvironmental conditionsEucalyptus camaldulensisGenetic controlGenetic gainGenetic parametersGenetic variationPhenotypic plasticityPresent situationProgeny testsSequential selectionVolume shrinkageWood basic densityGenesShrinkageGenetic engineeringEucalyptus camaldulensis has great importance in Brazil because of their phenotypic plasticity for different environmental conditions, as soils, altitudes and rainfall. This study is an investigation of a base population of E. camaldulensis from Australia through a progeny test implanted in Selvíria, MS. The trial was established in a randomized block design, with 25 families and 60 replications of single tree plots. Genetic parameters for anatomic traits and volume shrinkage were estimated, as well as their correlations with wood basic density. No significant differences among progenies were observed for the traits studied. The additive genetic variation coefficient at individual and among progeny levels ranged from low (0.26%) to high (16.98%). The narrow sense heritability at individual and family means levels also ranged from low (0.01) to high (0.87). This indicates that some traits are under strong genetic control and can be improved by selection. In the present situation, in order to attain the highest genetic gains, the sequential selection among and within progeny would be recommended.Departamento de Ciências Florestais Escola Superior de Agricultura Luiz de Queiroz Universidade de São Paulo, Caixa Postal 09, Piracicaba, SP - 13418-900Docente da Faculdade de Engenharia de Ilha Solteira Universidade Estadual Paulista, Rua Monção, 830, Ilha Solteira, SP - 15385-000Instituto Florestal de São Paulo, Caixa Postal 1322, São Paulo, SP - 01059-970Agronomia na Faculdade Universidade Estadua Paulista, Rua Monção, 830, Ilha Solteira, SP - 15385-000Docente da Faculdade de Engenharia de Ilha Solteira Universidade Estadual Paulista, Rua Monção, 830, Ilha Solteira, SP - 15385-000Agronomia na Faculdade Universidade Estadua Paulista, Rua Monção, 830, Ilha Solteira, SP - 15385-000Universidade de São Paulo (USP)Universidade Estadual Paulista (Unesp)Instituto Florestal de São PauloSantos, Fernando WerglesDe Moraes, Mario Luiz Teixeira [UNESP]Florsheim, Sandra Monteiro BorgesDe Lima, Israel LuizDa Silva, Janete Motta [UNESP]Freitas, Miguel Luiz MenezesSebbenn, Alexandre Magno2014-05-27T11:24:42Z2014-05-27T11:24:42Z2010-06-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article159-170application/pdfhttp://www.ipef.br/publicacoes/scientia/nr86/cap04.pdfScientia Forestalis/Forest Sciences, n. 86, p. 159-170, 2010.1413-9324http://hdl.handle.net/11449/71710WOS:0002811850000042-s2.0-779555288272-s2.0-77955528827.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporScientia Forestalis/Forest Sciences0.5000,495info:eu-repo/semantics/openAccess2023-12-03T06:18:48Zoai:repositorio.unesp.br:11449/71710Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T19:25:56.089468Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Variação genética para caracteres anatômicos e retração volumétrica e sua correlação com a densidade básica da madeira em uma população base de Eucalyptus camaldulensis Dehn Genetic variation for anatomic traits and volume shrinkage and their correlation with wood basic density in an Eucalyptus camaldulensis Dehn base population |
title |
Variação genética para caracteres anatômicos e retração volumétrica e sua correlação com a densidade básica da madeira em uma população base de Eucalyptus camaldulensis Dehn |
spellingShingle |
Variação genética para caracteres anatômicos e retração volumétrica e sua correlação com a densidade básica da madeira em uma população base de Eucalyptus camaldulensis Dehn Santos, Fernando Wergles Genetic gains Heritability Progeny test Tree breeding Variability AS-soils Australia Block designs Environmental conditions Eucalyptus camaldulensis Genetic control Genetic gain Genetic parameters Genetic variation Phenotypic plasticity Present situation Progeny tests Sequential selection Volume shrinkage Wood basic density Genes Shrinkage Genetic engineering |
title_short |
Variação genética para caracteres anatômicos e retração volumétrica e sua correlação com a densidade básica da madeira em uma população base de Eucalyptus camaldulensis Dehn |
title_full |
Variação genética para caracteres anatômicos e retração volumétrica e sua correlação com a densidade básica da madeira em uma população base de Eucalyptus camaldulensis Dehn |
title_fullStr |
Variação genética para caracteres anatômicos e retração volumétrica e sua correlação com a densidade básica da madeira em uma população base de Eucalyptus camaldulensis Dehn |
title_full_unstemmed |
Variação genética para caracteres anatômicos e retração volumétrica e sua correlação com a densidade básica da madeira em uma população base de Eucalyptus camaldulensis Dehn |
title_sort |
Variação genética para caracteres anatômicos e retração volumétrica e sua correlação com a densidade básica da madeira em uma população base de Eucalyptus camaldulensis Dehn |
author |
Santos, Fernando Wergles |
author_facet |
Santos, Fernando Wergles De Moraes, Mario Luiz Teixeira [UNESP] Florsheim, Sandra Monteiro Borges De Lima, Israel Luiz Da Silva, Janete Motta [UNESP] Freitas, Miguel Luiz Menezes Sebbenn, Alexandre Magno |
author_role |
author |
author2 |
De Moraes, Mario Luiz Teixeira [UNESP] Florsheim, Sandra Monteiro Borges De Lima, Israel Luiz Da Silva, Janete Motta [UNESP] Freitas, Miguel Luiz Menezes Sebbenn, Alexandre Magno |
author2_role |
author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade de São Paulo (USP) Universidade Estadual Paulista (Unesp) Instituto Florestal de São Paulo |
dc.contributor.author.fl_str_mv |
Santos, Fernando Wergles De Moraes, Mario Luiz Teixeira [UNESP] Florsheim, Sandra Monteiro Borges De Lima, Israel Luiz Da Silva, Janete Motta [UNESP] Freitas, Miguel Luiz Menezes Sebbenn, Alexandre Magno |
dc.subject.por.fl_str_mv |
Genetic gains Heritability Progeny test Tree breeding Variability AS-soils Australia Block designs Environmental conditions Eucalyptus camaldulensis Genetic control Genetic gain Genetic parameters Genetic variation Phenotypic plasticity Present situation Progeny tests Sequential selection Volume shrinkage Wood basic density Genes Shrinkage Genetic engineering |
topic |
Genetic gains Heritability Progeny test Tree breeding Variability AS-soils Australia Block designs Environmental conditions Eucalyptus camaldulensis Genetic control Genetic gain Genetic parameters Genetic variation Phenotypic plasticity Present situation Progeny tests Sequential selection Volume shrinkage Wood basic density Genes Shrinkage Genetic engineering |
description |
Eucalyptus camaldulensis has great importance in Brazil because of their phenotypic plasticity for different environmental conditions, as soils, altitudes and rainfall. This study is an investigation of a base population of E. camaldulensis from Australia through a progeny test implanted in Selvíria, MS. The trial was established in a randomized block design, with 25 families and 60 replications of single tree plots. Genetic parameters for anatomic traits and volume shrinkage were estimated, as well as their correlations with wood basic density. No significant differences among progenies were observed for the traits studied. The additive genetic variation coefficient at individual and among progeny levels ranged from low (0.26%) to high (16.98%). The narrow sense heritability at individual and family means levels also ranged from low (0.01) to high (0.87). This indicates that some traits are under strong genetic control and can be improved by selection. In the present situation, in order to attain the highest genetic gains, the sequential selection among and within progeny would be recommended. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-06-01 2014-05-27T11:24:42Z 2014-05-27T11:24:42Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.ipef.br/publicacoes/scientia/nr86/cap04.pdf Scientia Forestalis/Forest Sciences, n. 86, p. 159-170, 2010. 1413-9324 http://hdl.handle.net/11449/71710 WOS:000281185000004 2-s2.0-77955528827 2-s2.0-77955528827.pdf |
url |
http://www.ipef.br/publicacoes/scientia/nr86/cap04.pdf http://hdl.handle.net/11449/71710 |
identifier_str_mv |
Scientia Forestalis/Forest Sciences, n. 86, p. 159-170, 2010. 1413-9324 WOS:000281185000004 2-s2.0-77955528827 2-s2.0-77955528827.pdf |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
Scientia Forestalis/Forest Sciences 0.500 0,495 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
159-170 application/pdf |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808129067019403264 |