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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
18/12/2017 |
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Data da última atualização: |
18/12/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CORRÊA, T. R.; PICOLI, E. A. de T.; SOUZA, G. A. de; CONDÉ, S. A.; SILVA, N. M.; LOPES-MATTOS, K. L. B.; RESENDE, M. D. V. de; ZAUZA, E. A. V.; ODA, S. |
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Afiliação: |
THAIS ROSELI CORRÊA, UNIVERSIDADE FEDERAL DE VIÇOSA; EDGARD AUGUSTO DE TOLEDO PICOLI, UNIVERSIDADE FEDERAL DE VIÇOSA; GENAÍNA APARECIDA DE SOUZA, UNIVERSIDADE FEDERAL DE VIÇOSA; SAMYRA ALVES CONDÉ, UNIVERSIDADE FEDERAL DE VIÇOSA; NATÁLIA MACHADO SILVA, UNIVERSIDADE FEDERAL DE VIÇOSA; KARINA LUCAS BARBOSA LOPES-MATTOS, UNIVERSIDADE FEDERAL DE VIÇOSA; MARCOS DEON VILELA DE RESENDE, CNPF; EDIVAL ANGELO VALVERDE ZAUZA, SUZANO PAPEL E CELULOSE SA; SHINITIRO ODA, SUZANO PAPEL E CELULOSE SA. |
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Título: |
Phenotypic markers in early selection for tolerance to dieback in Eucalyptus. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Industrial Crops and Products, v. 107, p. 130-138, 2017. |
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DOI: |
http://dx.doi.org/10.1016/j.indcrop.2017.05.032 |
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Idioma: |
Inglês |
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Conteúdo: |
Eucalyptus dieback is a physiological disorder characterized by lesions on the apex of the branches and the death of the shoot apex. Some clones are considered tolerant to this disorder, although, up to now, there are no reports on the use of phenotypic markers for selecting tolerant material. The use of phenotypic markers may contribute to an efficient selection, where the estimation of genetic parameters of the candidate markers are essential to knowledge of the population structure, the genetic potential and effectiveness of markers as selection criteria. In this study, we estimated the genetic parameters of morphological and nutritional markers in 13 commercial eucalyptus clones aiming early selection of tolerant genotypes to eucalyptus dieback. Estimates of the genetic parameters of all characteristics were obtained by the mixed model methodology, REML (Restricted Maximum Likelihood)/BLUP (Best Linear Unbiased Prediction) procedure. Water deficit, one of the factors that promote this disorder, was simulated in eucalyptus cuttings conducted in a greenhouse. Simulated water stress was carried out for 12 weeks by applying polyethylene glycol at different concentrations and by limiting water applied to seedlings. In order to select the most promising markers, 34 morphological and nutritional variables were evaluated for early selection and discrimination of genotypes tolerant to eucalyptus dieback and water deficit. Among the 34 evaluated characteristics, plant height, stem diameter, height increment, leaf area, N, K and B, exhibited significant heritability and high accuracy (greater than 70%). Promising phenotypic markers were identified for early selection of genotypes tolerant to water deficit and eucalyptus dieback. Tolerant clones were pooled and correctly discriminated from the susceptible ones under stressful conditions by the use of seven phenotypic markers in REML/BLUP analysis, selection index ranking and graphic dispersion analysis. MenosEucalyptus dieback is a physiological disorder characterized by lesions on the apex of the branches and the death of the shoot apex. Some clones are considered tolerant to this disorder, although, up to now, there are no reports on the use of phenotypic markers for selecting tolerant material. The use of phenotypic markers may contribute to an efficient selection, where the estimation of genetic parameters of the candidate markers are essential to knowledge of the population structure, the genetic potential and effectiveness of markers as selection criteria. In this study, we estimated the genetic parameters of morphological and nutritional markers in 13 commercial eucalyptus clones aiming early selection of tolerant genotypes to eucalyptus dieback. Estimates of the genetic parameters of all characteristics were obtained by the mixed model methodology, REML (Restricted Maximum Likelihood)/BLUP (Best Linear Unbiased Prediction) procedure. Water deficit, one of the factors that promote this disorder, was simulated in eucalyptus cuttings conducted in a greenhouse. Simulated water stress was carried out for 12 weeks by applying polyethylene glycol at different concentrations and by limiting water applied to seedlings. In order to select the most promising markers, 34 morphological and nutritional variables were evaluated for early selection and discrimination of genotypes tolerant to eucalyptus dieback and water deficit. Among the 34 evaluated characteristics, plant height, stem... Mostrar Tudo |
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Palavras-Chave: |
Water deficit. |
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Thesaurus Nal: |
Bioenergy; Plant breeding. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02775naa a2200265 a 4500
001 2082816
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008 2017 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1016/j.indcrop.2017.05.032$2DOI
100 1 $aCORRÊA, T. R.
245 $aPhenotypic markers in early selection for tolerance to dieback in Eucalyptus.$h[electronic resource]
260 $c2017
520 $aEucalyptus dieback is a physiological disorder characterized by lesions on the apex of the branches and the death of the shoot apex. Some clones are considered tolerant to this disorder, although, up to now, there are no reports on the use of phenotypic markers for selecting tolerant material. The use of phenotypic markers may contribute to an efficient selection, where the estimation of genetic parameters of the candidate markers are essential to knowledge of the population structure, the genetic potential and effectiveness of markers as selection criteria. In this study, we estimated the genetic parameters of morphological and nutritional markers in 13 commercial eucalyptus clones aiming early selection of tolerant genotypes to eucalyptus dieback. Estimates of the genetic parameters of all characteristics were obtained by the mixed model methodology, REML (Restricted Maximum Likelihood)/BLUP (Best Linear Unbiased Prediction) procedure. Water deficit, one of the factors that promote this disorder, was simulated in eucalyptus cuttings conducted in a greenhouse. Simulated water stress was carried out for 12 weeks by applying polyethylene glycol at different concentrations and by limiting water applied to seedlings. In order to select the most promising markers, 34 morphological and nutritional variables were evaluated for early selection and discrimination of genotypes tolerant to eucalyptus dieback and water deficit. Among the 34 evaluated characteristics, plant height, stem diameter, height increment, leaf area, N, K and B, exhibited significant heritability and high accuracy (greater than 70%). Promising phenotypic markers were identified for early selection of genotypes tolerant to water deficit and eucalyptus dieback. Tolerant clones were pooled and correctly discriminated from the susceptible ones under stressful conditions by the use of seven phenotypic markers in REML/BLUP analysis, selection index ranking and graphic dispersion analysis.
650 $aBioenergy
650 $aPlant breeding
653 $aWater deficit
700 1 $aPICOLI, E. A. de T.
700 1 $aSOUZA, G. A. de
700 1 $aCONDÉ, S. A.
700 1 $aSILVA, N. M.
700 1 $aLOPES-MATTOS, K. L. B.
700 1 $aRESENDE, M. D. V. de
700 1 $aZAUZA, E. A. V.
700 1 $aODA, S.
773 $tIndustrial Crops and Products$gv. 107, p. 130-138, 2017.
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Registro original: |
Embrapa Florestas (CNPF) |
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Registro Completo
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Biblioteca(s): |
Embrapa Agroindústria Tropical. |
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Data corrente: |
13/01/2009 |
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Data da última atualização: |
27/02/2009 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
GONDIM, R. S.; CASTRO, M. A. H. de; EVANGELISTA, S. R. M.; FUCK JÚNIOR, S. C. F.; SOUSA, S. A. M. de. |
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Afiliação: |
Rubens Sonsol Godim, CNPAT; Marco A. H. de Castro, UFC; Silvio R. M. Evangelista, CNPTIA; Sergio C. F. Fuck Junior, CNPAT; Samuel A. M de Sousa, estagiário CNPAT. |
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Título: |
Impacto das mudanças climáticas na evapotranspiração de referência, em nível de bacia hidrográfica utilizando um sistema de informações geográfica. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: TALLER INTERNACIONAL RED RIEGOS CYTED, 2008, Florianópolis, Anais... Florianópolis: CYTED: PROCISUR, 2008. |
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Idioma: |
Português |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00624naa a2200157 a 4500
001 1426438
005 2009-02-27
008 2008 bl uuuu u00u1 u #d
100 1 $aGONDIM, R. S.
245 $aImpacto das mudanças climáticas na evapotranspiração de referência, em nível de bacia hidrográfica utilizando um sistema de informações geográfica.
260 $c2008
700 1 $aCASTRO, M. A. H. de
700 1 $aEVANGELISTA, S. R. M.
700 1 $aFUCK JÚNIOR, S. C. F.
700 1 $aSOUSA, S. A. M. de
773 $tIn: TALLER INTERNACIONAL RED RIEGOS CYTED, 2008, Florianópolis, Anais... Florianópolis: CYTED: PROCISUR, 2008.
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