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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: |
28/11/2007 |
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Data da última atualização: |
25/02/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BECK, S. L.; GUISTI, J. de; LOUW, A. K.; RESENDE, M. D. V. de. |
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Afiliação: |
S. L. Beck, Institute for Commercial Forestry Research; J. de Guisti, Institute for Commercial Forestry Research; A. K. Louw, Institute for Commercial Forestry Research; Marcos Deon Vilela de Resende, Embrapa Florestas. |
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Título: |
Assessment of three-year DBH and height data and genetic gain prediction for five Acacia mearnsii (black wattle) subpopulations in South Africa using REML/BLUP. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Southern Hemisphere Forestry Journal, v. 69, n. 2, p. 111-116, 2007. |
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Idioma: |
Inglês |
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Conteúdo: |
Recent research has shown Acacia mearnsii (black wattle) to be a source of high-quality pulp. This led to a change in the emphasis in the breeding programme at the Institute for Commercial Forestry Research, from improving bark yield and quality, to improving timber yield and quality while maintaining an acceptable bark quality. A Multiple Population Breeding Strategy was implemented to cate r for these changes. Six subpopulations were established across different sites in KwaZulu-Natal and were determined by origin of seed. Five of these subpopulations were established in 2002 and the sixth one in 2004. Each subpopulation was established as a progeny trial with a breeding seed orchard adjacent to it. The management of the seed orchards will be determined according to the performance of the families within the progeny trials. This paper is a summary of the three-year growth measurements taken from the first five subpopulations. The results showed promising heritability values with respect to genetic gain. These data were then projected to estimate results at full rotation using appropriate growth models. Results showed that if one selects the top 20 individuais, mean annual increments (MAis) of 13.20-19.60m3 ha" y-' can be expected. If one selects the top 20 families, MAis of 10.60-19.1 Om3 ha-1 y-' can be expected. Growth data will continue to be collected each year. This will allow for continuous assessment of age-age correlations for the various traits being assessed, and will provide an appropriate decision-making tool for selecting individuais for future generations. MenosRecent research has shown Acacia mearnsii (black wattle) to be a source of high-quality pulp. This led to a change in the emphasis in the breeding programme at the Institute for Commercial Forestry Research, from improving bark yield and quality, to improving timber yield and quality while maintaining an acceptable bark quality. A Multiple Population Breeding Strategy was implemented to cate r for these changes. Six subpopulations were established across different sites in KwaZulu-Natal and were determined by origin of seed. Five of these subpopulations were established in 2002 and the sixth one in 2004. Each subpopulation was established as a progeny trial with a breeding seed orchard adjacent to it. The management of the seed orchards will be determined according to the performance of the families within the progeny trials. This paper is a summary of the three-year growth measurements taken from the first five subpopulations. The results showed promising heritability values with respect to genetic gain. These data were then projected to estimate results at full rotation using appropriate growth models. Results showed that if one selects the top 20 individuais, mean annual increments (MAis) of 13.20-19.60m3 ha" y-' can be expected. If one selects the top 20 families, MAis of 10.60-19.1 Om3 ha-1 y-' can be expected. Growth data will continue to be collected each year. This will allow for continuous assessment of age-age correlations for the various traits being assessed, and... Mostrar Tudo |
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Palavras-Chave: |
Heritabilidade. |
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Thesagro: |
Melhoramento; População. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02254naa a2200193 a 4500
001 1312014
005 2015-02-25
008 2007 bl uuuu u00u1 u #d
100 1 $aBECK, S. L.
245 $aAssessment of three-year DBH and height data and genetic gain prediction for five Acacia mearnsii (black wattle) subpopulations in South Africa using REML/BLUP.$h[electronic resource]
260 $c2007
520 $aRecent research has shown Acacia mearnsii (black wattle) to be a source of high-quality pulp. This led to a change in the emphasis in the breeding programme at the Institute for Commercial Forestry Research, from improving bark yield and quality, to improving timber yield and quality while maintaining an acceptable bark quality. A Multiple Population Breeding Strategy was implemented to cate r for these changes. Six subpopulations were established across different sites in KwaZulu-Natal and were determined by origin of seed. Five of these subpopulations were established in 2002 and the sixth one in 2004. Each subpopulation was established as a progeny trial with a breeding seed orchard adjacent to it. The management of the seed orchards will be determined according to the performance of the families within the progeny trials. This paper is a summary of the three-year growth measurements taken from the first five subpopulations. The results showed promising heritability values with respect to genetic gain. These data were then projected to estimate results at full rotation using appropriate growth models. Results showed that if one selects the top 20 individuais, mean annual increments (MAis) of 13.20-19.60m3 ha" y-' can be expected. If one selects the top 20 families, MAis of 10.60-19.1 Om3 ha-1 y-' can be expected. Growth data will continue to be collected each year. This will allow for continuous assessment of age-age correlations for the various traits being assessed, and will provide an appropriate decision-making tool for selecting individuais for future generations.
650 $aMelhoramento
650 $aPopulação
653 $aHeritabilidade
700 1 $aGUISTI, J. de
700 1 $aLOUW, A. K.
700 1 $aRESENDE, M. D. V. de
773 $tSouthern Hemisphere Forestry Journal$gv. 69, n. 2, p. 111-116, 2007.
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Registro original: |
Embrapa Florestas (CNPF) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Recursos Genéticos e Biotecnologia. Para informações adicionais entre em contato com cenargen.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
25/03/2009 |
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Data da última atualização: |
08/05/2024 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
SANTOS, L. P.; SANSALONI, C. P.; FARIA, D. A.; PAPPAS, M. R.; GRATTAPAGLIA, D. |
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Afiliação: |
L. P. SANTOS, UCB; C. P. SANSALONI, UNB; D. A. FARIA, UCB; MARILIA RODRIGUES PAPPAS; DÁRIO GRATTAPAGLIA, EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA. |
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Título: |
Desenvolvimento de marcadores microssatélites baseados em tetra, penta e hexanucleotídeos para análise genética de espécies de Eucalyptus. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: ENCONTRO DO TALENTO ESTUDANTIL DA EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA, 13., 2008, Brasília, DF. Anais: resumos dos trabalhos. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2008. Resumo 127. |
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Páginas: |
p.177. |
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Idioma: |
Português |
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Palavras-Chave: |
Microssatélites; Variabilidade genética. |
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Thesaurus NAL: |
Eucalyptus. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00799nam a2200193 a 4500
001 1191094
005 2024-05-08
008 2008 bl uuuu u01u1 u #d
100 1 $aSANTOS, L. P.
245 $aDesenvolvimento de marcadores microssatélites baseados em tetra, penta e hexanucleotídeos para análise genética de espécies de Eucalyptus.
260 $aIn: ENCONTRO DO TALENTO ESTUDANTIL DA EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA, 13., 2008, Brasília, DF. Anais: resumos dos trabalhos. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2008. Resumo 127.$c2008
300 $ap.177.
650 $aEucalyptus
653 $aMicrossatélites
653 $aVariabilidade genética
700 1 $aSANSALONI, C. P.
700 1 $aFARIA, D. A.
700 1 $aPAPPAS, M. R.
700 1 $aGRATTAPAGLIA, D.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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