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Registro Completo |
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Biblioteca(s): |
Embrapa Agrossilvipastoril; Embrapa Milho e Sorgo; Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
21/09/2018 |
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Data da última atualização: |
26/09/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GUSTINA, L. D.; BALDONI, A. B.; TONINI, H.; AZEVEDO, V. C. R.; NEVES, L. G.; TARDIN, F. D.; SEBBENN, A. M. |
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Afiliação: |
LUANA DELLA GIUSTINA, Universidade Federal de Mato Grosso, Cuiabá; AISY BOTEGA BALDONI TARDIN, CPAMT; HELIO TONINI, CPPSUL; VANIA CRISTINA RENNO AZEVEDO, Cenargen; LEONARDA GRILLO NEVES, Universidade do Estado de Mato Grosso, Caceres; FLAVIO DESSAUNE TARDIN, CNPMS; ALEXANDRE MAGNO SEBBENN, Instituto Florestal de São Paulo, Piracicaba. |
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Título: |
Hierarchical outcrossing among and within fruits in Bertholletia excelsa Bonpl. (Lecythidaceae) open-pollinated seeds. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Genetics and Molecular Research, v. 17, n. 1, p. 1-11, 2018. |
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DOI: |
http://dx.doi.org/10.4238/gmr16039872 |
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Idioma: |
Inglês |
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Notas: |
Article gmr16039872. |
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Conteúdo: |
Knowing the mating patterns is important to determine the number of trees necessary for seed collection for conservation ex situ, tree breeding and environmental reforestation purposes. We investigated B. excelsa individuals and fruits, to check mating system index variations in a population by using open-pollinated seeds which were hierarchically sampled within and among fruits from nine trees genotyped for ten microsatellite loci. Outcrossing rate ( tm ) changed between trees (0.49?1.0) and fruits (0.53?1.0), but seeds were predominantly produced by outcrossing (0.92) at mean population level. Mating between related trees ( tm ts ) was detected in six trees (0.04?0.08) and in 32 fruits in trees (0.03?0.22), thus it suggests that the population presented some related trees in our intra-population spatial genetic structure. Individual fixation index values of seed trees ( Fm ) were lower than the seedling fixation index values ( o F ), fact that suggests the selection against inbred individuals between the seed and adult stages. The correlated mating showed that seeds sampled at population level were predominantly composed of half-sibs (66%) and full-sibs (20%). Paternity correlation was significantly higher within (p(w) r ) than among ( p(a) r ) fruits at population level, mostly in individual trees. Results evidenced that mating was not random due to self-fertilization, to mating between related trees and correlated mating, and families comprised different relatedness levels such as half-sibs, full-sibs, self-sibs and self-half-sibs; some cases, mating presented inbreeding. These results were addressed to discuss strategies for seed collection applied to conservation ex situ, tree breeding and environmental reforestation. MenosKnowing the mating patterns is important to determine the number of trees necessary for seed collection for conservation ex situ, tree breeding and environmental reforestation purposes. We investigated B. excelsa individuals and fruits, to check mating system index variations in a population by using open-pollinated seeds which were hierarchically sampled within and among fruits from nine trees genotyped for ten microsatellite loci. Outcrossing rate ( tm ) changed between trees (0.49?1.0) and fruits (0.53?1.0), but seeds were predominantly produced by outcrossing (0.92) at mean population level. Mating between related trees ( tm ts ) was detected in six trees (0.04?0.08) and in 32 fruits in trees (0.03?0.22), thus it suggests that the population presented some related trees in our intra-population spatial genetic structure. Individual fixation index values of seed trees ( Fm ) were lower than the seedling fixation index values ( o F ), fact that suggests the selection against inbred individuals between the seed and adult stages. The correlated mating showed that seeds sampled at population level were predominantly composed of half-sibs (66%) and full-sibs (20%). Paternity correlation was significantly higher within (p(w) r ) than among ( p(a) r ) fruits at population level, mostly in individual trees. Results evidenced that mating was not random due to self-fertilization, to mating between related trees and correlated mating, and families comprised different related... Mostrar Tudo |
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Thesagro: |
Árvore; Bertholletia Excelsa; Castanha do Para; Conservação; Genética; Marcador Genético; Melhoramento; Polinização; Semente. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/183522/1/2018-aisy-baldoni-hierarchical-outcrossing-fruits-bertholletia-pollinated.pdf
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Marc: |
LEADER 02734naa a2200325 a 4500
001 2096307
005 2018-09-26
008 2018 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.4238/gmr16039872$2DOI
100 1 $aGUSTINA, L. D.
245 $aHierarchical outcrossing among and within fruits in Bertholletia excelsa Bonpl. (Lecythidaceae) open-pollinated seeds.$h[electronic resource]
260 $c2018
500 $aArticle gmr16039872.
520 $aKnowing the mating patterns is important to determine the number of trees necessary for seed collection for conservation ex situ, tree breeding and environmental reforestation purposes. We investigated B. excelsa individuals and fruits, to check mating system index variations in a population by using open-pollinated seeds which were hierarchically sampled within and among fruits from nine trees genotyped for ten microsatellite loci. Outcrossing rate ( tm ) changed between trees (0.49?1.0) and fruits (0.53?1.0), but seeds were predominantly produced by outcrossing (0.92) at mean population level. Mating between related trees ( tm ts ) was detected in six trees (0.04?0.08) and in 32 fruits in trees (0.03?0.22), thus it suggests that the population presented some related trees in our intra-population spatial genetic structure. Individual fixation index values of seed trees ( Fm ) were lower than the seedling fixation index values ( o F ), fact that suggests the selection against inbred individuals between the seed and adult stages. The correlated mating showed that seeds sampled at population level were predominantly composed of half-sibs (66%) and full-sibs (20%). Paternity correlation was significantly higher within (p(w) r ) than among ( p(a) r ) fruits at population level, mostly in individual trees. Results evidenced that mating was not random due to self-fertilization, to mating between related trees and correlated mating, and families comprised different relatedness levels such as half-sibs, full-sibs, self-sibs and self-half-sibs; some cases, mating presented inbreeding. These results were addressed to discuss strategies for seed collection applied to conservation ex situ, tree breeding and environmental reforestation.
650 $aÁrvore
650 $aBertholletia Excelsa
650 $aCastanha do Para
650 $aConservação
650 $aGenética
650 $aMarcador Genético
650 $aMelhoramento
650 $aPolinização
650 $aSemente
700 1 $aBALDONI, A. B.
700 1 $aTONINI, H.
700 1 $aAZEVEDO, V. C. R.
700 1 $aNEVES, L. G.
700 1 $aTARDIN, F. D.
700 1 $aSEBBENN, A. M.
773 $tGenetics and Molecular Research$gv. 17, n. 1, p. 1-11, 2018.
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Registro original: |
Embrapa Agrossilvipastoril (CPAMT) |
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Biblioteca |
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Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Rondônia. |
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Data corrente: |
02/12/2011 |
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Data da última atualização: |
02/12/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Nacional - B |
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Autoria: |
CARVALHO, A. C. P. P. de; COSTA, A. M. G.; SANTOS, M. R. A. dos. |
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Afiliação: |
ANA CRISTINA PORTUGAL P DE CARVALHO, CNPAT; ALEXANDRA MARIA GOMES COSTA; MAURICIO REGINALDO ALVES DOS SANTOS, CPAF-RO. |
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Título: |
Efeito do tipo de incisão sobre a dominância apical em ápices caulinares em duas cultivares de bananeira ( (Musa sp.). |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
Plant Cell Culture Micropropagation, Lavras, v. 2, n. 1, p. 48-52, 2006. |
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Idioma: |
Português |
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Conteúdo: |
Avaliaram-se três tipos de incisão em ápices caulinares de bananeira (Musa sp.) in vitro, nas cultivares Pacovan e Maçã, sobre a dominância apical, no processo de estabelecimento da cultura: ápice inteiro (T1), incisão longitudinal, sem seccionamento (T2) e incisão longitudinal, com seccionamento do ápice em duas metades (T3). Após dez dias em meio MS suplementado com BAP (11,1 ìM), observou-se o número de gemas axilares obtidas a partir de cada explante. Os valores obtidos, para a cultivar Pacovan, em T1 (3,80) e T2 (3,70) foram equivalentes entre si e superiores ao obtido em T3 (2,85). Para Maçã, os valores registrados em T1 (4,08) e T2 (4,38) também foram equivalentes entre si, mas inferiores ao obtido em T3 (6,21). Recomenda-se a utilização de ápices caulinares inteiros e o seu seccionamento em duas metades, para as cultivares Pacovan e Maçã, respectivamente, visando a maximizar a obtenção de gemas axilares, aumentando a taxa de multiplicação in vitro. |
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Palavras-Chave: |
Bananeira; Produção de mudas. |
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Thesagro: |
Fruticultura; Micropropagação. |
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Thesaurus NAL: |
Musa. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/48975/1/mauricio.pdf
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Marc: |
LEADER 01661naa a2200205 a 4500
001 1908270
005 2011-12-02
008 2006 bl uuuu u00u1 u #d
100 1 $aCARVALHO, A. C. P. P. de
245 $aEfeito do tipo de incisão sobre a dominância apical em ápices caulinares em duas cultivares de bananeira ( (Musa sp.).$h[electronic resource]
260 $c2006
520 $aAvaliaram-se três tipos de incisão em ápices caulinares de bananeira (Musa sp.) in vitro, nas cultivares Pacovan e Maçã, sobre a dominância apical, no processo de estabelecimento da cultura: ápice inteiro (T1), incisão longitudinal, sem seccionamento (T2) e incisão longitudinal, com seccionamento do ápice em duas metades (T3). Após dez dias em meio MS suplementado com BAP (11,1 ìM), observou-se o número de gemas axilares obtidas a partir de cada explante. Os valores obtidos, para a cultivar Pacovan, em T1 (3,80) e T2 (3,70) foram equivalentes entre si e superiores ao obtido em T3 (2,85). Para Maçã, os valores registrados em T1 (4,08) e T2 (4,38) também foram equivalentes entre si, mas inferiores ao obtido em T3 (6,21). Recomenda-se a utilização de ápices caulinares inteiros e o seu seccionamento em duas metades, para as cultivares Pacovan e Maçã, respectivamente, visando a maximizar a obtenção de gemas axilares, aumentando a taxa de multiplicação in vitro.
650 $aMusa
650 $aFruticultura
650 $aMicropropagação
653 $aBananeira
653 $aProdução de mudas
700 1 $aCOSTA, A. M. G.
700 1 $aSANTOS, M. R. A. dos
773 $tPlant Cell Culture Micropropagation, Lavras$gv. 2, n. 1, p. 48-52, 2006.
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Registro original: |
Embrapa Rondônia (CPAF-RO) |
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