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Registro Completo |
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
08/01/2019 |
Data da última atualização: |
08/01/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MARTINS, K.; SANTOS, W. S. D. dos; QUADROS, T. M. C.; AGUIAR, A. V. de; MACHADO, J. A. R.; SEBBEN, A. M.; FREITAS, M. L. M. |
Afiliação: |
Karina Martins, UFSCar; Winnie Silva Dias dos Santos, Eng. Florestal; Taruhim Miranda Cardoso Quadros, Eng. Florestal; ANANDA VIRGINIA DE AGUIAR, CNPF; José Arimatéia Rabelo Machado, Instituto Florestal de São Paulo; Alexandre Magno Sebbenn, Instituto Florestal de São Paulo; Miguel Luiz Menezes Freitas, Instituto Florestal de São Paulo. |
Título: |
Genetic variation and effective population size of a Myracrodruon urundeuva (Engler) Fr. Allem. provenance and progeny test. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Journal of Forest Research, v. 23, n. 4, p. 228-236, 2018. |
DOI: |
10.1080/13416979.2018.1483130 |
Idioma: |
Inglês |
Conteúdo: |
Ex situ conservation of tree species in provenance and progeny tests allow the estimation of genetic parameters for quantitative traits and are also useful for tree breeding programs. This study aimed at estimating the genetic variability of provenance and progeny test of Myracrodruon urundeuva and providing subsidies for ex situ conservation and the use of germplasm in breeding programs. We also estimated the variance effective population size (Ne) of seeds sampled from this test, simulating six different scenarios for test management and seed collection strategies. We estimated genetic parameters for diameter at breast height (DBH), total height, volume and fork in 31-year-old provenance and progeny test established with 91 open-pollinated progenies from five provenances, allocated in a compact family block design at Pederneiras Experimental Station, Sao Paulo, Brazil. The genetic-statistical analysis was based on REML/BLUP procedure. Significant genetic differences were detected only among progenies within provenances. Individual heritability was high for DBH, height, and volume. We hypothesize that inter-tree competition inflated these estimations and have, consequently, overrated the estimates for genetic gain. Thus, this test should be mainly used for conservation purposes. The estimates for Ne varied considering different scenarios, showing that female gametic control is the best strategy to achieve higher gains on Ne, being an important suggestion for the management and seed collection strategies in dioecious species as M. urundeuva. MenosEx situ conservation of tree species in provenance and progeny tests allow the estimation of genetic parameters for quantitative traits and are also useful for tree breeding programs. This study aimed at estimating the genetic variability of provenance and progeny test of Myracrodruon urundeuva and providing subsidies for ex situ conservation and the use of germplasm in breeding programs. We also estimated the variance effective population size (Ne) of seeds sampled from this test, simulating six different scenarios for test management and seed collection strategies. We estimated genetic parameters for diameter at breast height (DBH), total height, volume and fork in 31-year-old provenance and progeny test established with 91 open-pollinated progenies from five provenances, allocated in a compact family block design at Pederneiras Experimental Station, Sao Paulo, Brazil. The genetic-statistical analysis was based on REML/BLUP procedure. Significant genetic differences were detected only among progenies within provenances. Individual heritability was high for DBH, height, and volume. We hypothesize that inter-tree competition inflated these estimations and have, consequently, overrated the estimates for genetic gain. Thus, this test should be mainly used for conservation purposes. The estimates for Ne varied considering different scenarios, showing that female gametic control is the best strategy to achieve higher gains on Ne, being an important suggestion for the management ... Mostrar Tudo |
Palavras-Chave: |
Genetic variability; Herdabilidade; REML/BLUP; Seed collection strategies; Variabilidade genética. |
Thesagro: |
Myracrodruon Urundeuva. |
Thesaurus Nal: |
Heritability; Quantitative traits. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02526naa a2200301 a 4500 001 2103311 005 2019-01-08 008 2018 bl uuuu u00u1 u #d 024 7 $a10.1080/13416979.2018.1483130$2DOI 100 1 $aMARTINS, K. 245 $aGenetic variation and effective population size of a Myracrodruon urundeuva (Engler) Fr. Allem. provenance and progeny test.$h[electronic resource] 260 $c2018 520 $aEx situ conservation of tree species in provenance and progeny tests allow the estimation of genetic parameters for quantitative traits and are also useful for tree breeding programs. This study aimed at estimating the genetic variability of provenance and progeny test of Myracrodruon urundeuva and providing subsidies for ex situ conservation and the use of germplasm in breeding programs. We also estimated the variance effective population size (Ne) of seeds sampled from this test, simulating six different scenarios for test management and seed collection strategies. We estimated genetic parameters for diameter at breast height (DBH), total height, volume and fork in 31-year-old provenance and progeny test established with 91 open-pollinated progenies from five provenances, allocated in a compact family block design at Pederneiras Experimental Station, Sao Paulo, Brazil. The genetic-statistical analysis was based on REML/BLUP procedure. Significant genetic differences were detected only among progenies within provenances. Individual heritability was high for DBH, height, and volume. We hypothesize that inter-tree competition inflated these estimations and have, consequently, overrated the estimates for genetic gain. Thus, this test should be mainly used for conservation purposes. The estimates for Ne varied considering different scenarios, showing that female gametic control is the best strategy to achieve higher gains on Ne, being an important suggestion for the management and seed collection strategies in dioecious species as M. urundeuva. 650 $aHeritability 650 $aQuantitative traits 650 $aMyracrodruon Urundeuva 653 $aGenetic variability 653 $aHerdabilidade 653 $aREML/BLUP 653 $aSeed collection strategies 653 $aVariabilidade genética 700 1 $aSANTOS, W. S. D. dos 700 1 $aQUADROS, T. M. C. 700 1 $aAGUIAR, A. V. de 700 1 $aMACHADO, J. A. R. 700 1 $aSEBBEN, A. M. 700 1 $aFREITAS, M. L. M. 773 $tJournal of Forest Research$gv. 23, n. 4, p. 228-236, 2018.
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Embrapa Florestas (CNPF) |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
13/01/2005 |
Data da última atualização: |
12/06/2023 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
MORAIS, O. P. de; CHATEL, M. H. G. L.; GUIMARÃES, E. P.; FAGERIA, N. K. |
Afiliação: |
ORLANDO PEIXOTO DE MORAIS, CNPAF; MARC HENRI G. L. CHATEL, IRAT; ELCIO PERPETUO GUIMARAES, CNPAF; NAND KUMAR FAGERIA, CNPAF. |
Título: |
Eficiência da seleção indireta, em populações F2 de arroz de sequeiro, para solo de baixa fertilidade. |
Ano de publicação: |
1991 |
Fonte/Imprenta: |
In: REUNIÃO NACIONAL DE PESQUISA DE ARROZ, 3., 1987, Goiânia. Anais.. Goiânia: EMBRAPA-CNPAF, 1991. |
Páginas: |
p. 421-437. |
Série: |
(EMBRAPA-CNPAF. Documentos, 25). |
ISSN: |
0101-9716 |
Idioma: |
Português |
Palavras-Chave: |
Populações F2; Seleção indireta. |
Thesagro: |
Arroz; Melhoramento Genético Vegetal; Oryza Sativa; Solo. |
Categoria do assunto: |
G Melhoramento Genético |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/212903/1/renapa-421.pdf
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Marc: |
LEADER 00810nam a2200241 a 4500 001 1212903 005 2023-06-12 008 1991 bl uuuu u00u1 u #d 022 $a0101-9716 100 1 $aMORAIS, O. P. de 245 $aEficiência da seleção indireta, em populações F2 de arroz de sequeiro, para solo de baixa fertilidade.$h[electronic resource] 260 $aIn: REUNIÃO NACIONAL DE PESQUISA DE ARROZ, 3., 1987, Goiânia. Anais.. Goiânia: EMBRAPA-CNPAF$c1991 300 $ap. 421-437. 490 $a(EMBRAPA-CNPAF. Documentos, 25). 650 $aArroz 650 $aMelhoramento Genético Vegetal 650 $aOryza Sativa 650 $aSolo 653 $aPopulações F2 653 $aSeleção indireta 700 1 $aCHATEL, M. H. G. L. 700 1 $aGUIMARÃES, E. P. 700 1 $aFAGERIA, N. K.
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Embrapa Arroz e Feijão (CNPAF) |
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