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| 7. |  | SILVA, D. G.; SILVA, P. R. L.; FAGLIARI, J. J. Efficacy of florfenicol and intravenous fluid therapy for treatment of experimental salmonellosis in newborn calves. Arquivo Brasileiro de Medicina Veterinária e Zootecnia,Belo Horizonte, MG, v. 62, n. 3, p. 499-503, agosto, 2010.| Biblioteca(s): Epagri-Sede. |
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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
27/06/2016 |
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Data da última atualização: |
27/06/2016 |
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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: |
FIGUEIREDO, A. S. T.; RESENDE, J. T. V.; FARIA, M. V.; SILVA, P. R.; FAGUNDES, B. S.; MORALES, R. G. F. |
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Título: |
Prediction of industrial tomato hybrids from agronomic traits and ISSR molecular markers. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Genetics and Molecular Research, Ribeirão Preto, SP, v. 15, n. 2, p. 1-13, 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
Heterosis is a highly relevant phenomenon in plant breeding. This condition is usually established in hybrids derived from crosses of highly divergent parents. The success of a breeder in obtaining heterosis is directly related to the correct identification of genetically contrasting parents. Currently, the diallel cross is the most commonly used methodology to detect contrasting parents; however, it is a time- and cost-consuming procedure. Therefore, new tools capable of performing this task quickly and accurately are required. Thus, the purpose of this study was to estimate the genetic divergence in industrial tomato lines, based on agronomic traits, and to compare with estimates obtained using inter-simple sequence repeat (ISSR) molecular markers. The genetic divergence among 10 industrial tomato lines, based on nine morphological characters and 12 ISSR primers was analyzed. For data analysis, Pearson and Spearman correlation coefficients were calculated between the genetic dissimilarity measures estimated by Mahalanobis distance and Jaccard?s coefficient of genetic dissimilarity from the heterosis estimates, combining ability, and means of important traits of industrial tomato. The ISSR markers efficiently detected contrasting parents for hybrid production in tomato. Parent RVTD-08 was indicated as the most divergent, both by molecular and morphological markers, that positively contributed to increased heterosis and by the specific combining ability in the crosses in which it participated. The genetic dissimilarity estimated by ISSR molecular markers aided the identification of the best hybrids of the experiment in terms of total fruit yield, pulp yield, and soluble solids content. MenosHeterosis is a highly relevant phenomenon in plant breeding. This condition is usually established in hybrids derived from crosses of highly divergent parents. The success of a breeder in obtaining heterosis is directly related to the correct identification of genetically contrasting parents. Currently, the diallel cross is the most commonly used methodology to detect contrasting parents; however, it is a time- and cost-consuming procedure. Therefore, new tools capable of performing this task quickly and accurately are required. Thus, the purpose of this study was to estimate the genetic divergence in industrial tomato lines, based on agronomic traits, and to compare with estimates obtained using inter-simple sequence repeat (ISSR) molecular markers. The genetic divergence among 10 industrial tomato lines, based on nine morphological characters and 12 ISSR primers was analyzed. For data analysis, Pearson and Spearman correlation coefficients were calculated between the genetic dissimilarity measures estimated by Mahalanobis distance and Jaccard?s coefficient of genetic dissimilarity from the heterosis estimates, combining ability, and means of important traits of industrial tomato. The ISSR markers efficiently detected contrasting parents for hybrid production in tomato. Parent RVTD-08 was indicated as the most divergent, both by molecular and morphological markers, that positively contributed to increased heterosis and by the specific combining ability in the crosses in whi... Mostrar Tudo |
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Palavras-Chave: |
Genetic diversity; Heterosis; Pre-breeding; Solanum lycopersicum. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02422naa a2200229 a 4500
001 1125195
005 2016-06-27
008 2016 bl uuuu u00u1 u #d
100 1 $aFIGUEIREDO, A. S. T.
245 $aPrediction of industrial tomato hybrids from agronomic traits and ISSR molecular markers.$h[electronic resource]
260 $c2016
520 $aHeterosis is a highly relevant phenomenon in plant breeding. This condition is usually established in hybrids derived from crosses of highly divergent parents. The success of a breeder in obtaining heterosis is directly related to the correct identification of genetically contrasting parents. Currently, the diallel cross is the most commonly used methodology to detect contrasting parents; however, it is a time- and cost-consuming procedure. Therefore, new tools capable of performing this task quickly and accurately are required. Thus, the purpose of this study was to estimate the genetic divergence in industrial tomato lines, based on agronomic traits, and to compare with estimates obtained using inter-simple sequence repeat (ISSR) molecular markers. The genetic divergence among 10 industrial tomato lines, based on nine morphological characters and 12 ISSR primers was analyzed. For data analysis, Pearson and Spearman correlation coefficients were calculated between the genetic dissimilarity measures estimated by Mahalanobis distance and Jaccard?s coefficient of genetic dissimilarity from the heterosis estimates, combining ability, and means of important traits of industrial tomato. The ISSR markers efficiently detected contrasting parents for hybrid production in tomato. Parent RVTD-08 was indicated as the most divergent, both by molecular and morphological markers, that positively contributed to increased heterosis and by the specific combining ability in the crosses in which it participated. The genetic dissimilarity estimated by ISSR molecular markers aided the identification of the best hybrids of the experiment in terms of total fruit yield, pulp yield, and soluble solids content.
653 $aGenetic diversity
653 $aHeterosis
653 $aPre-breeding
653 $aSolanum lycopersicum
700 1 $aRESENDE, J. T. V.
700 1 $aFARIA, M. V.
700 1 $aSILVA, P. R.
700 1 $aFAGUNDES, B. S.
700 1 $aMORALES, R. G. F.
773 $tGenetics and Molecular Research, Ribeirão Preto, SP$gv. 15, n. 2, p. 1-13, 2016.
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