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| ROCHA, J. R. do A. S. de C.; MACHADO, J. C.; CARNEIRO, P. C. S.; CARNEIRO, J. da C.; RESENDE, M. D. V. de; LEDO, F. J. da S.; CARNEIRO, J. E. DE S.. |
| Elephantgrass has been a notable option as bioenergy plant. However, for its bioenergetic use, the quantification of genetic diversity based on biomass quality traits has not been commonly reported in the literature. The objective of this study was to quantify the genetic diversity among 100 accessions of the Active Elephantgrass Germplasm Bank (BAGCE), by means of morphological (flowering, height, vigor and stalk diameter), agronomic (total dry biomass) and biomass quality traits (dry matter concentration, cellulose, lignin, hemicellulose, in vitro digestibility, nitrogen, ash, and calorific value), and the ultimate goal was to use the elephantgrass as a bioenergy feedstock. By using mixed model methodology and genetic diversity analyses, it was found... |
| Tipo: Artigo em periódico indexado (ALICE) |
Palavras-chave: Pennisetum purpureum; Bioenergy; Combustion; Mixed models; Ethanol. |
| Ano: 2017 |
URL: http://www.alice.cnptia.embrapa.br/handle/doc/1072202 |
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| OLIVEIRA, J. C. de; ROCHA, J. R. do A. S. de C.; SILVA, M. M. da; MAGALHAES JUNIOR, W. C. P. de; ANDRADE, R. G.; MACHADO, J. C.. |
| Resumo: O presente trabalho tem como objetivo avaliar as perspectivas de utilização da fenotipagem de alto rendimento, por meio dos índices VARI (visible atmospherically resistant index) e GLI (green leaf index), na seleção de genótipos superiores de capim-elefante. Os experimentos foram conduzidos no Campo Experimental da Embrapa Gado de Leite em Coronel Pacheco-MG, no delineamento de blocos casualizados, com três repetições. Em seguida, foram realizadas análises de correlação de Pearson dos índices VARI e GLI com as características fenotípicas tradicionais. As correlações entre os índices VARI e GLI e as características relacionadas à fenotipagem tradicional apresentam valores de magnitude intermediária, com destaque para o índice GLI que associa boa... |
| Tipo: Artigo em anais de congresso (ALICE) |
Palavras-chave: Cenchrus purpureus; Fenômica; Melhoramento genético; Bioenergia; Melhoramento Genético Vegetal. |
| Ano: 2019 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1107070 |
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| ALVES, R. S.; TEODORO, P. E.; PEIXOTO, L. de A.; ROCHA, J. R. do A. S. de C.; SILVA, L. A.; LAVIOLA, B. G.; RESENDE, M. D. V. de; BHERING, L. L.. |
| Despite being a species with great potential for biodiesel production, little research has been done on the breeding of Jatropha curcas, mainly with respect to its yield across harvests. Thus, the present study was carried out to analyze longitudinal data via multiple-trait Best Linear Unbiased Prediction (BLUP) for the genetic improvement of Jatropha curcas. The experiment was set up as a randomized block design with two blocks and five plants per plot. The seed yield of 730 individuals of 73 half-sib families was evaluated over six years. Variance components and genetic parameters were estimated via Restricted Maximum Likelihood (REML). The Additive Index was used for ranking and selection purposes. Genetic correlations of low to moderate magnitude were... |
| Tipo: Artigo em periódico indexado (ALICE) |
Palavras-chave: Mixed model methodology; Repeated measures; Genetic selection; Biofuel; Selection index. |
| Ano: 2019 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1107152 |
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| ROCHA, J. R. do A. S. de C.; MARÇAL, T. de S.; SALVADOR, F. V.; SILVA, A. C. da; CARNEIRO, P. C. S.; RESENDE, M. D. V. de; CARNEIRO, J. da C.; AZEVEDO, A. L. S.; PEREIRA, J. F.; MACHADO, J. C.. |
| Background: Elephant grass [Cenchrus purpureus (Schumach.) Morrone] is used for bioenergy and animal feed. In order to identify candidate genes that could be exploited for marker-assisted selection in elephant grass, this study aimed to investigate changes in predictive accuracy using genomic relationship information and simple sequence repeats for eight traits (height, green biomass, dry biomass, acid and neutral detergent fiber, lignin content, biomass digestibility, and dry matter concentration) linked to bioenergetics and animal feeding. Results: We used single-step, genome-based best linear unbiased prediction and genome association methods to investigate changes in predictive accuracy and find candidate genes using genomic relationship information.... |
| Tipo: Artigo em periódico indexado (ALICE) |
Palavras-chave: Gene annotation; Napier grass; SSR marker; Trait-marker association; Pennisetum Purpureum; Capim Elefante; Biomassa; Digestibilidade. |
| Ano: 2019 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1116956 |
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