Genetics evaluation of minicuttings rooting of Eucalyptus cloeziana provenance
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Pesquisa Florestal Brasileira (Online) |
Texto Completo: | https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/890 |
Resumo: | Cloning of superior genotypes is presented as an alternative to increase forest productivity, because it allows capturing the genetic gains (additives and non-additives) from forest breeding. Early selection based on characteristics related to adventitious rooting may be important for breeding programs for recalcitrant species, like Eucalyptus cloeziana F. Muell. The objective of this work was to perform the genetic evaluation of E. cloeziana individuals based on adventitious rooting. The genetic control of adventitious rooting of 52 E. cloeziana trees was analyzed by variance components estimation and predicts breeding values. We used REML/BLUP procedure (estimation of variance components - Reml and prediction of breeding values - Blub). The variables were analyzed using univariate mixed linear model. The results showed high degree of genetic control for adventitious rooting (accuracy > 0.85). The genotypes showed high genotypic coefficient of variation (65.8% to adventitious rooting). Genetic correlation estimates showed negative association (- 0.299) between adventitious rooting and callus presence in the cuttings. The differences observed among E. cloeziana genotypes allowed its grouping into two groups. The results indicate the possibility of using adventitious rooting as selection criteria in E. cloeziana breeding programs. |
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Genetics evaluation of minicuttings rooting of Eucalyptus cloeziana provenanceAvaliação genética do enraizamento de miniestacas de uma procedência de Eucalyptus cloezianaHerdabilidadeRecalcitrânciaPropagaçãoSeleção de clonesHerdabilityRecalcitrancePropagationClonal selectionCloning of superior genotypes is presented as an alternative to increase forest productivity, because it allows capturing the genetic gains (additives and non-additives) from forest breeding. Early selection based on characteristics related to adventitious rooting may be important for breeding programs for recalcitrant species, like Eucalyptus cloeziana F. Muell. The objective of this work was to perform the genetic evaluation of E. cloeziana individuals based on adventitious rooting. The genetic control of adventitious rooting of 52 E. cloeziana trees was analyzed by variance components estimation and predicts breeding values. We used REML/BLUP procedure (estimation of variance components - Reml and prediction of breeding values - Blub). The variables were analyzed using univariate mixed linear model. The results showed high degree of genetic control for adventitious rooting (accuracy > 0.85). The genotypes showed high genotypic coefficient of variation (65.8% to adventitious rooting). Genetic correlation estimates showed negative association (- 0.299) between adventitious rooting and callus presence in the cuttings. The differences observed among E. cloeziana genotypes allowed its grouping into two groups. The results indicate the possibility of using adventitious rooting as selection criteria in E. cloeziana breeding programs.A clonagem de genótipos superiores apresenta-se como alternativa para aumentar a produtividade florestal, pois permite capturar os ganhos genéticos aditivos e não aditivos advindos do melhoramento florestal. A seleção precoce baseada em características relacionadas ao enraizamento adventício associada às avaliações de produtividade e qualidade poderá ser importante para os programas de melhoramento genético de espécies recalcitrantes, como Eucalyptus cloeziana F. Muell. O objetivo do presente trabalho foi realizar a avaliação genética de indivíduos de E. cloeziana baseada no enraizamento adventício. O controle genético do enraizamento adventício de 52 matrizes de E. cloeziana foi analisado pela estimativa de componentes de variância e predição de valores genéticos. Utilizou-se o procedimento REML/BLUP (estimação de componentes de variância – Reml e de predição de valores genéticos – Blup). Os resultados demonstraram alto controle genético para o enraizamento adventício (acurácia > 0,85). Os materiais genéticos apresentaram altos coeficientes de variação genotípica (65,8% para enraizamento). A estimativa da correlação genética revelou associação negativa (-0,299) entre enraizamento de miniestacas e presença de calos em miniestacas. As diferenças observadas entre os materiais genéticos de E. cloeziana permitiram seu agrupamento em dois grupos. Os resultados obtidos indicam a possibilidade do uso do enraizamento adventício como critério auxiliar de seleção nos programas de melhoramento de E. cloeziana.Embrapa Florestas2015-12-31info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/89010.4336/2015.pfb.35.84.890Pesquisa Florestal Brasileira; v. 35 n. 84 (2015): out./dez.; 391-397Pesquisa Florestal Brasileira; Vol. 35 No. 84 (2015): out./dez.; 391-3971983-26051809-3647reponame:Pesquisa Florestal Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/890/451Oliveira, Leandro SilvaDias, Poliana CoqueiroAlmeida, Marcílio deinfo:eu-repo/semantics/openAccess2017-11-15T17:19:38Zoai:pfb.cnpf.embrapa.br/pfb:article/890Revistahttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/PUBhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/oaipfb@embrapa.br || revista.pfb@gmail.com || patricia.mattos@embrapa.br1983-26051809-3647opendoar:2017-11-15T17:19:38Pesquisa Florestal Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Genetics evaluation of minicuttings rooting of Eucalyptus cloeziana provenance Avaliação genética do enraizamento de miniestacas de uma procedência de Eucalyptus cloeziana |
title |
Genetics evaluation of minicuttings rooting of Eucalyptus cloeziana provenance |
spellingShingle |
Genetics evaluation of minicuttings rooting of Eucalyptus cloeziana provenance Oliveira, Leandro Silva Herdabilidade Recalcitrância Propagação Seleção de clones Herdability Recalcitrance Propagation Clonal selection |
title_short |
Genetics evaluation of minicuttings rooting of Eucalyptus cloeziana provenance |
title_full |
Genetics evaluation of minicuttings rooting of Eucalyptus cloeziana provenance |
title_fullStr |
Genetics evaluation of minicuttings rooting of Eucalyptus cloeziana provenance |
title_full_unstemmed |
Genetics evaluation of minicuttings rooting of Eucalyptus cloeziana provenance |
title_sort |
Genetics evaluation of minicuttings rooting of Eucalyptus cloeziana provenance |
author |
Oliveira, Leandro Silva |
author_facet |
Oliveira, Leandro Silva Dias, Poliana Coqueiro Almeida, Marcílio de |
author_role |
author |
author2 |
Dias, Poliana Coqueiro Almeida, Marcílio de |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Oliveira, Leandro Silva Dias, Poliana Coqueiro Almeida, Marcílio de |
dc.subject.por.fl_str_mv |
Herdabilidade Recalcitrância Propagação Seleção de clones Herdability Recalcitrance Propagation Clonal selection |
topic |
Herdabilidade Recalcitrância Propagação Seleção de clones Herdability Recalcitrance Propagation Clonal selection |
description |
Cloning of superior genotypes is presented as an alternative to increase forest productivity, because it allows capturing the genetic gains (additives and non-additives) from forest breeding. Early selection based on characteristics related to adventitious rooting may be important for breeding programs for recalcitrant species, like Eucalyptus cloeziana F. Muell. The objective of this work was to perform the genetic evaluation of E. cloeziana individuals based on adventitious rooting. The genetic control of adventitious rooting of 52 E. cloeziana trees was analyzed by variance components estimation and predicts breeding values. We used REML/BLUP procedure (estimation of variance components - Reml and prediction of breeding values - Blub). The variables were analyzed using univariate mixed linear model. The results showed high degree of genetic control for adventitious rooting (accuracy > 0.85). The genotypes showed high genotypic coefficient of variation (65.8% to adventitious rooting). Genetic correlation estimates showed negative association (- 0.299) between adventitious rooting and callus presence in the cuttings. The differences observed among E. cloeziana genotypes allowed its grouping into two groups. The results indicate the possibility of using adventitious rooting as selection criteria in E. cloeziana breeding programs. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-12-31 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/890 10.4336/2015.pfb.35.84.890 |
url |
https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/890 |
identifier_str_mv |
10.4336/2015.pfb.35.84.890 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/890/451 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Embrapa Florestas |
publisher.none.fl_str_mv |
Embrapa Florestas |
dc.source.none.fl_str_mv |
Pesquisa Florestal Brasileira; v. 35 n. 84 (2015): out./dez.; 391-397 Pesquisa Florestal Brasileira; Vol. 35 No. 84 (2015): out./dez.; 391-397 1983-2605 1809-3647 reponame:Pesquisa Florestal Brasileira (Online) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Pesquisa Florestal Brasileira (Online) |
collection |
Pesquisa Florestal Brasileira (Online) |
repository.name.fl_str_mv |
Pesquisa Florestal Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
pfb@embrapa.br || revista.pfb@gmail.com || patricia.mattos@embrapa.br |
_version_ |
1783370935286366208 |