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| Registros recuperados : 186 | |
| 81. |  | FREITAS, M. L. M.; ZANATTO, A. C. S.; MORAIS, E.; LEMOS, S. V.; FERNANDES, A. C.; SEBBENN, A. M. Teste de procedência de Pinus caribaea var. hondurensis. aos 32 anos de idade em Bebedouro-SP. Revista do Instituto Florestal, São Paulo, v. 17, n. 1, p. 17-23, jun. 2005.| Biblioteca(s): Embrapa Florestas. |
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| 82. | | ARRUDA, C. C. B.; SILVA, M. B.; GRIBEL, R.; LEMES, M. R.; KANASHIRO, M.; SEBBENN, A. M. Logging decreases the pollen dispersal distance in a low-density population of the tree Bagassa guianensis in the Brazilian Amazon. Silvae Genetica, v. 64, n. 5/6, p. 279-290, 2015.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 83. | | VINSON, C. C.; KANASHIRO, M.; SEBBENN, A. M.; WILLIAMS, T. C. R.; HARRIS, S. A.; BOSHIER, D. H. Long-term impacts of selective logging on two Amazonian tree species with contrasting ecological and reproductive characteristics: inferences from Eco-gene model simulations. Heredity, v. 115, n. 2, p. 130-139, Aug. 2015.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 84. | | SOUSA, V. A. de; AGUIAR, A. V. de; FREITAS, M. L. M. de; SEBBENN, A.; SHIMIZU, J. Y. Araucaria angustifolia breeding program at Embrapa Florestas. Pesquisa Florestal Brasileira, Colombo, v. 39, (nesp), e201902043, 2019. p. 47. Edição especial dos resumos do IUFRO World Congress, 25., 2019, Curitiba.| Biblioteca(s): Embrapa Florestas. |
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| 85. | | KAGEYAMA, P. Y.; SEBBENN, A. M.; RIBAS, L. A.; GANDARA, F. B.; CASTELLEN, M.; PERECIM, M. B.; VENCOVSKY, R. Diversidade genética em espécies arbóreas tropicais de diferentes estágios sucessionais por marcadores genéticos. Scientia Forestalis, Piracicaba, n. 64, p. 93-107, dez. 2003.| Biblioteca(s): Embrapa Florestas. |
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| 86. | | KAGEYAMA, P. Y.; CUNHA, G. C. da; BARRETO, K. D.; GANDARA, F. B.; CAMARGO, F. R. A.; SEBBENN, A. M. Diversidade e autocorrelação genética espacial em populações de Ocotea odorifera (Lauraceae). Scientia Forestalis, Piracicaba, n. 64, p. 108-119, dez. 2003.| Biblioteca(s): Embrapa Florestas. |
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| 87. | | WENDT, S. N.; SOUSA, V. A. de; QUOIRIN, M.; MAZZA, M. C. M.; STURION, J. A.; SEBBENN, A. M. Baixa taxa de contaminação de pólen, desvios de cruzamentos aleatórios e endogamia em um pomar de sementes de Ilex paraguariensis l. Scientia Forestalis, Piracicaba, v. 37, n. 82, p. 185-196, jun. 2009.| Biblioteca(s): Embrapa Florestas. |
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| 89. | | MORAES, M. A. de; ZANATTO, A. C. S.; MORAES, E.; SEBBENN, A. M.; FREITAS, M. L. M. Variação genética para caracteres silviculturais em progênies de polinização aberta de Eucalyptus camaldulensis em Luiz Antônio - SP. Revista do Instituto Florestal, São Paulo, v. 19, n. 2, p. 113-118, dez. 2007.| Biblioteca(s): Embrapa Florestas. |
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| 90. | | SEBBENN, A. M.; DURIGAN, G.; PIRES, C. L da S.; PONTINHA, A. de A. S.; SOUZA, J. M. de. Variação genética entre procedências de Grevillea robusta A. Cunn. nas regiões de Assis, Avare e Itapeva - SP - (Resultados preliminares) In: CONGRESSO FLORESTAL PANAMERICANO, 1.; CONGRESSO FLORESTAL BRASILEIRO, 7., 1993, Curitiba. Floresta para o Desenvolvimento: Política, Ambiente, Tecnologia e Mercado: anais. São Paulo: SBS; [S.l.]: SBEF, 1993. v. 1, p. 166-168.| Biblioteca(s): Embrapa Florestas. |
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| 91. | | MORAIS, E.; ZANATTO, A. C. S.; FREITAS, M. L. M.; MORAES, M. L. T. de; SEBBENN, A. M. Variação genética, interação genótipo solo e ganhos na seleção em teste de progênies de Corymbia citriodora Hook em Luiz Antonio, São Paulo. Scientia Forestalis, Piracicaba, v. 38, n. 85, p. 11-18, mar. 2010.| Biblioteca(s): Embrapa Florestas. |
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| 92. | | SEBBENN, A. M.; PIRES, C. L. da S.; STORCK, L.; CUSTODIO FILHO, A.; ROSA, P. R. F. da. Variacao genetica em progenies de meios-irmaos de Pinus caribaea Mor. var. bahamensis Bar. et Gol. na regiao de Bebedouro, SP. Revista do Instituto Florestal, Sao Paulo, v.6, n.unico, p.63-73, 1994.| Biblioteca(s): Embrapa Florestas. |
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| 95. | | MORAIS, E.; ZANATTO, A. C. S.; MORAES, M. L. T. de; FREITAS, M. L. M.; SEBBENN, A. M. Comportamento e variação de procedências de Corymbia citriodora em diferentes tipos de solos. Floresta, Curitiba, v. 41, n. 2, p. 277-286, abr./jun. 2011.| Biblioteca(s): Embrapa Florestas. |
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| 96. | | FREITAS, M. L. M.; SEBBENN, A. M.; MORAIS, E.; ZANATTO, A. C. S.; VERARDI, C. K.; PIMHEIRO, A. N. Parâmetros genéticos em progênies de polinização aberta de Cordia trichotoma (Vell.) ex Steud. Revista do Instituto Florestal, São Paulo, v. 18, n. único, p. 95-102, dez. 2006.| Biblioteca(s): Embrapa Florestas. |
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| 98. | | WENDT, S. N.; SOUSA, V. A. de; SEBBENN, A. M.; STURION, J. A.; LUÍS, F.; QUOIRIN, M. Polinização efetiva em pomar de Ilex paraguariensis St. Hil. In: REGO, G. M.; NEGRELLE, R. R. B.; MORELLATO, L. P. C. (ed.). Fenologia: ferramenta para conservação, melhoramento e manejo de recursos vegetais arbóreos. Colombo: Embrapa Florestas, 2007. p. 345-362. 1 CD-ROM.| Biblioteca(s): Embrapa Florestas. |
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| 99. | | SEOANE, C. E. S.; KAGEYAMA, P. Y.; RIBEIRO, A.; MATIAS, R.; REIS, M. S. dos; BAWA, K.; SEBBENN, A. M. Efeitos de fragmentação florestal sobre a imigração de sementes e a estrutura genética temporal de populações de Euterpe edulis. Mart. Revista do Instituto Florestal, São Paulo, v. 17, n. 1, p. 25-43, jun. 2005.| Biblioteca(s): Embrapa Florestas. |
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| 100. | | CARNEIRO, F. S.; LACERDA, A. E. B. de; LEMES, M. R.; GRIBEL, R.; KANASHIRO, M.; SEBBENN, A. M. Mendelian inheritance, linkage and genotypic disequilibrium in microsatellite loci isolated from Hymenaea courbaril (Leguminosae). Genetics and Molecular Research, v. 11, n. 3, p. 1942-1948, 2012.| Biblioteca(s): Embrapa Amazônia Oriental; Embrapa Florestas. |
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| Registros recuperados : 186 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Agrossilvipastoril; Embrapa Rondônia. |
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Data corrente: |
21/12/2016 |
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Data da última atualização: |
07/03/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
WADT, L. H. de O.; BALDONI, A. B.; SILVA, V. S.; CAMPOS, T. de; MARTINS, K.; AZEVEDO, V. C. R.; MATA, L. R. da; BOTIN, A. A.; HOOGERHEIDE, E. S. S.; TONINI, H.; SEBBENN, A. M. |
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Afiliação: |
LUCIA HELENA DE OLIVEIRA WADT, CPAF-Rondonia; AISY BOTEGA BALDONI TARDIN, CPAMT; Universidade Federal do Acre; TATIANA DE CAMPOS, CPAF-Acre; Universidade Federal de São Carlos; VANIA CRISTINA RENNO AZEVEDO, Cenargen; LORENA RAMOS DA MATA, Cenargen; Universidade Federal de Mato Grosso; EULALIA SOLER SOBREIRA HOOGERHEIDE, CPAMT; HELIO TONINI, CPAMT; Instituto Florestal de São Paulo. |
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Título: |
Mating system variation among populations, individuals and within and among fruits in Bertholletia excelsa. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Silvae Genetica, Deutschland, v. 64, p. 5-6, 2015. |
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Idioma: |
Português |
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Conteúdo: |
The aim of this study was to investigate variation in mating system among three Brazilian Amazon populations of the tree Bertholletia excelsa with different levels of anthropogenic interventions. We collected open-pollinated seeds from one natural population, remnant trees dispersed in a pasture, and trees from a plantation. Outcrossing rate not varied among the populations and indicates that all seeds were originated from outcrossing (tm=1.0). Mating among relatives was significant higher in the plantation than forest and pasture populations,
probably due the fact that many trees are related in the plantation. Correlated mating was significantly higher in pasture (rp=0.47) and plantation (rp=0.51) than in the natural population (rp=0.22), suggesting that trees in natural population are pollinated by a higher number of pollen donors. The paternity correlation was significantly higher within (rp(w)=0.41) than among fruits (rp(a)=0.18), showing a higher probability to find full-sibs within than among fruits. The fixation index was generally lower in seed trees than in their seedlings, suggesting selection for heterozygous individuals from seedling to adult stages. Progeny arrays collected from the natural population had a lower proportion of pairwise full-sibs than in pasture and plantation and higher variance effective size (2.75) than trees in pasture (2.15) and plantations (2.22). Results highlight that seed collections for conservation, breeding and reforestation programs preferentially should be carried out in natural populations due low proportion highest variance effective size within progeny. MenosThe aim of this study was to investigate variation in mating system among three Brazilian Amazon populations of the tree Bertholletia excelsa with different levels of anthropogenic interventions. We collected open-pollinated seeds from one natural population, remnant trees dispersed in a pasture, and trees from a plantation. Outcrossing rate not varied among the populations and indicates that all seeds were originated from outcrossing (tm=1.0). Mating among relatives was significant higher in the plantation than forest and pasture populations,
probably due the fact that many trees are related in the plantation. Correlated mating was significantly higher in pasture (rp=0.47) and plantation (rp=0.51) than in the natural population (rp=0.22), suggesting that trees in natural population are pollinated by a higher number of pollen donors. The paternity correlation was significantly higher within (rp(w)=0.41) than among fruits (rp(a)=0.18), showing a higher probability to find full-sibs within than among fruits. The fixation index was generally lower in seed trees than in their seedlings, suggesting selection for heterozygous individuals from seedling to adult stages. Progeny arrays collected from the natural population had a lower proportion of pairwise full-sibs than in pasture and plantation and higher variance effective size (2.75) than trees in pasture (2.15) and plantations (2.22). Results highlight that seed collections for conservation, breeding and reforestation programs ... Mostrar Tudo |
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Palavras-Chave: |
Castanheira. |
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Thesagro: |
Acasalamento; Bertholletia Excelsa; Polinização; Reprodução. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/149054/1/26156.pdf
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Marc: |
LEADER 02495naa a2200301 a 4500
001 2059096
005 2017-03-07
008 2015 bl --- 0-- u #d
100 1 $aWADT, L. H. de O.
245 $aMating system variation among populations, individuals and within and among fruits in Bertholletia excelsa.$h[electronic resource]
260 $c2015
520 $aThe aim of this study was to investigate variation in mating system among three Brazilian Amazon populations of the tree Bertholletia excelsa with different levels of anthropogenic interventions. We collected open-pollinated seeds from one natural population, remnant trees dispersed in a pasture, and trees from a plantation. Outcrossing rate not varied among the populations and indicates that all seeds were originated from outcrossing (tm=1.0). Mating among relatives was significant higher in the plantation than forest and pasture populations, probably due the fact that many trees are related in the plantation. Correlated mating was significantly higher in pasture (rp=0.47) and plantation (rp=0.51) than in the natural population (rp=0.22), suggesting that trees in natural population are pollinated by a higher number of pollen donors. The paternity correlation was significantly higher within (rp(w)=0.41) than among fruits (rp(a)=0.18), showing a higher probability to find full-sibs within than among fruits. The fixation index was generally lower in seed trees than in their seedlings, suggesting selection for heterozygous individuals from seedling to adult stages. Progeny arrays collected from the natural population had a lower proportion of pairwise full-sibs than in pasture and plantation and higher variance effective size (2.75) than trees in pasture (2.15) and plantations (2.22). Results highlight that seed collections for conservation, breeding and reforestation programs preferentially should be carried out in natural populations due low proportion highest variance effective size within progeny.
650 $aAcasalamento
650 $aBertholletia Excelsa
650 $aPolinização
650 $aReprodução
653 $aCastanheira
700 1 $aBALDONI, A. B.
700 1 $aSILVA, V. S.
700 1 $aCAMPOS, T. de
700 1 $aMARTINS, K.
700 1 $aAZEVEDO, V. C. R.
700 1 $aMATA, L. R. da
700 1 $aBOTIN, A. A.
700 1 $aHOOGERHEIDE, E. S. S.
700 1 $aTONINI, H.
700 1 $aSEBBENN, A. M.
773 $tSilvae Genetica, Deutschland$gv. 64, p. 5-6, 2015.
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Embrapa Agrossilvipastoril (CPAMT) |
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