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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
08/09/2009 |
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Data da última atualização: |
21/09/2009 |
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Autoria: |
KIELSE, P.; FRANCO, E. T.H.; PARANHOS, J. T.; LIMA, A. P. S. de. |
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Título: |
Regeneração in vitro de Parapiptadenia rigida.
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Ciência Rural, Santa Maria, v. 39, n. 4, p. 1088-1094, jul. 2009. |
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Idioma: |
Português |
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Conteúdo: |
O objetivo deste trabalho é estabelecer um protocolo de micropropagação para a Parapiptadenia rigida utilizando explantes de plântulas assépticas obtidas da germinação de sementes in vitro. Para a indução de brotos, segmentos cotiledonares e nodais foram inoculados em meio de cultura ½ WPM acrescido de 0; 0,25; 0,50; 1,0mg L-¹ de BAP ou KIN. O enraizamento dos explantes com broto foi realizado em meio ¼ WPM suplementado com 0; 0,25; 1,0; 1,75mg L-¹ de AIB. Não foi necessária a adição de citocinina ao meio para indução de brotos em segmento cotiledonar e nodal. Contudo, a dose de 0,50mg L-¹, independente do tipo de citocinina, promoveu maior tamanho dos brotos e maior número de folhas por broto. O maior potencial de enraizamento ocorreu em segmentos cotiledonares inoculados em meio contendo 1,0mg L-¹ de AIB. A utilização desse protocolo de regeneração permite a obtenção de mudas de Parapiptadenia rigida.
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Palavras-Chave: |
Angico-vermelho; Enraizamento; Fitorregulador; Micropropagação. |
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Categoria do assunto: |
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Marc: |
LEADER 01504naa a2200205 a 4500
001 1066062
005 2009-09-21
008 2009 bl uuuu u00u1 u #d
100 1 $aKIELSE, P.
245 $aRegeneração in vitro de Parapiptadenia rigida.
260 $c2009
520 $aO objetivo deste trabalho é estabelecer um protocolo de micropropagação para a Parapiptadenia rigida utilizando explantes de plântulas assépticas obtidas da germinação de sementes in vitro. Para a indução de brotos, segmentos cotiledonares e nodais foram inoculados em meio de cultura ½ WPM acrescido de 0; 0,25; 0,50; 1,0mg L-¹ de BAP ou KIN. O enraizamento dos explantes com broto foi realizado em meio ¼ WPM suplementado com 0; 0,25; 1,0; 1,75mg L-¹ de AIB. Não foi necessária a adição de citocinina ao meio para indução de brotos em segmento cotiledonar e nodal. Contudo, a dose de 0,50mg L-¹, independente do tipo de citocinina, promoveu maior tamanho dos brotos e maior número de folhas por broto. O maior potencial de enraizamento ocorreu em segmentos cotiledonares inoculados em meio contendo 1,0mg L-¹ de AIB. A utilização desse protocolo de regeneração permite a obtenção de mudas de Parapiptadenia rigida.
653 $aAngico-vermelho
653 $aEnraizamento
653 $aFitorregulador
653 $aMicropropagação
700 1 $aFRANCO, E. T.H.
700 1 $aPARANHOS, J. T.
700 1 $aLIMA, A. P. S. de.
773 $tCiência Rural, Santa Maria$gv. 39, n. 4, p. 1088-1094, jul. 2009.
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
18/09/2015 |
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Data da última atualização: |
18/09/2015 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
MARIGUELE, K. H.; VISCONTI, A.; ZAMBONIM, F. M.; HECK, T. C. |
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Título: |
Genetic diversity among Australian king palm progenies for phenotypic characters. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE GENÉTICA, 61., 2015, Águas de Lindóia. Resumos... Ribeirão Preto: SBG, 2015. |
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Idioma: |
Inglês |
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Conteúdo: |
Genetic diversity provides parameters to characterize the population and choice of parents. For the study in a population agronomic and morphological characters can be used which, when subjected to multivariate biometric techniques, allows multiple unify information from a set of characters. The aim of this study was to identify the genetic diversity of 13 Australian king palm progenies by Tocher method from five phenotypic variables that are associated with heart of palm yield. Thirteen progeny Archontophoenix spp were sown in Itajaí - SC in the design of the randomized block with six replicates and eight plants per plot. The five characteristics evaluated were: plant height (one year before the harvest), plant height and stem diameter (at harvest), premium heart-of-palm and edible basal stem yield. The harvest occurred in 3.5 years after planting and the data analyzes were performed using the GENES software. As measures of Mahalanobis distances (D2), the values ranged from 0.72 between progenies 2 and 4 - being the most similar genotypes - up 148.63 between genotypes 10 and 13 - being the most divergent. The use of Tocher optimization method, based on the dissimilarity D2, enabled the distribution of progenies studied in four groups. Group I was composed of nine progeny (69%) - these being 1, 2, 3, 4, 7, 8, 9, 11 and 12, group II was composed of two progenies (5 and 6) and groups III and IV composed for one progeny each, 10 and 13, respectively. The intra-group distances were always lower than at any intergroup distance, taking into account the criteria established for the Tocher optimization method. In groups I and II, which have more than one progeny, the average intra-group distances were 9.76 and 6.89, respectively. Among the six intergroup distances, the values ranged from 22.29, between groups I and II, up 148.63, between groups III and IV. The relative contribution of characters for genetic diversity were 42.54% for edible basal stem, 30.73% for plant height at harvest, 18.18% for plant height a year before the harvest, 7.14% for premium heart-of-palm and 1.40% for stem diameter. For this there are genetic differences between genotypes and the yield of edible basal stem and stem diameter, respectively, more and less contributed to genetic diversity. MenosGenetic diversity provides parameters to characterize the population and choice of parents. For the study in a population agronomic and morphological characters can be used which, when subjected to multivariate biometric techniques, allows multiple unify information from a set of characters. The aim of this study was to identify the genetic diversity of 13 Australian king palm progenies by Tocher method from five phenotypic variables that are associated with heart of palm yield. Thirteen progeny Archontophoenix spp were sown in Itajaí - SC in the design of the randomized block with six replicates and eight plants per plot. The five characteristics evaluated were: plant height (one year before the harvest), plant height and stem diameter (at harvest), premium heart-of-palm and edible basal stem yield. The harvest occurred in 3.5 years after planting and the data analyzes were performed using the GENES software. As measures of Mahalanobis distances (D2), the values ranged from 0.72 between progenies 2 and 4 - being the most similar genotypes - up 148.63 between genotypes 10 and 13 - being the most divergent. The use of Tocher optimization method, based on the dissimilarity D2, enabled the distribution of progenies studied in four groups. Group I was composed of nine progeny (69%) - these being 1, 2, 3, 4, 7, 8, 9, 11 and 12, group II was composed of two progenies (5 and 6) and groups III and IV composed for one progeny each, 10 and 13, respectively. The intra-group distances w... Mostrar Tudo |
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Palavras-Chave: |
Archontophoenix spp; breeding; heart-of-palm; Mahalanobis; Tocher. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02970naa a2200217 a 4500
001 1124429
005 2015-09-18
008 2015 bl uuuu u00u1 u #d
100 1 $aMARIGUELE, K. H.
245 $aGenetic diversity among Australian king palm progenies for phenotypic characters.$h[electronic resource]
260 $c2015
520 $aGenetic diversity provides parameters to characterize the population and choice of parents. For the study in a population agronomic and morphological characters can be used which, when subjected to multivariate biometric techniques, allows multiple unify information from a set of characters. The aim of this study was to identify the genetic diversity of 13 Australian king palm progenies by Tocher method from five phenotypic variables that are associated with heart of palm yield. Thirteen progeny Archontophoenix spp were sown in Itajaí - SC in the design of the randomized block with six replicates and eight plants per plot. The five characteristics evaluated were: plant height (one year before the harvest), plant height and stem diameter (at harvest), premium heart-of-palm and edible basal stem yield. The harvest occurred in 3.5 years after planting and the data analyzes were performed using the GENES software. As measures of Mahalanobis distances (D2), the values ranged from 0.72 between progenies 2 and 4 - being the most similar genotypes - up 148.63 between genotypes 10 and 13 - being the most divergent. The use of Tocher optimization method, based on the dissimilarity D2, enabled the distribution of progenies studied in four groups. Group I was composed of nine progeny (69%) - these being 1, 2, 3, 4, 7, 8, 9, 11 and 12, group II was composed of two progenies (5 and 6) and groups III and IV composed for one progeny each, 10 and 13, respectively. The intra-group distances were always lower than at any intergroup distance, taking into account the criteria established for the Tocher optimization method. In groups I and II, which have more than one progeny, the average intra-group distances were 9.76 and 6.89, respectively. Among the six intergroup distances, the values ranged from 22.29, between groups I and II, up 148.63, between groups III and IV. The relative contribution of characters for genetic diversity were 42.54% for edible basal stem, 30.73% for plant height at harvest, 18.18% for plant height a year before the harvest, 7.14% for premium heart-of-palm and 1.40% for stem diameter. For this there are genetic differences between genotypes and the yield of edible basal stem and stem diameter, respectively, more and less contributed to genetic diversity.
653 $aArchontophoenix spp
653 $abreeding
653 $aheart-of-palm
653 $aMahalanobis
653 $aTocher
700 1 $aVISCONTI, A.
700 1 $aZAMBONIM, F. M.
700 1 $aHECK, T. C.
773 $tIn: CONGRESSO BRASILEIRO DE GENÉTICA, 61., 2015, Águas de Lindóia. Resumos... Ribeirão Preto: SBG, 2015.
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