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Registros recuperados: 5
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Genetic Mapping With Allele Dosage Information in Tetraploid Urochloa decumbens (Stapf) R. D. Webster Reveals Insights Into Spittlebug (Notozulia entreriana Berg) Resistance. Repositório Alice
FERREIRA, R. C. U.; LARA, L. A. de C.; CHIARI, L.; BARRIOS, S. C. L.; VALLE, C. B. do; VALERIO, J. R.; TORRES, F. Z. V.; GARCIA, A. A. F.; SOUZA, A. P. de.
Urochloa decumbens (Stapf) R. D. Webster is one of the most important African forage grasses in Brazilian beef production. Currently available genetic-genomic resources for this species are restricted mainly due to polyploidy and apomixis. Therefore, crucial genomic-molecular studies such as the construction of genetic maps and the mapping of quantitative trait loci (QTLs) are very challenging and consequently affect the advancement of molecular breeding. The objectives of this work were to (i) construct an integrated U. decumbens genetic map for a full-sibling progeny using GBS-based markers with allele dosage information, (ii) detect QTLs for spittlebug (Notozulia entreriana) resistance, and (iii) seek putative candidate genes involved in defense against...
Tipo: Artigo de periódico Palavras-chave: Allele dosage; Linkage map; Signalgrass; SNP; Brachiaria; Polyploidy; Quantitative traits.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1106558
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Development, Validation and Characterization of Genic Microsatellite Markers in Urochloa Species. Repositório Alice
SOUZA, J. S.; CHIARI, L.; RESENDE, R. M. S.; VILELA, M. de M.; SALGADO, L. R..
Urochloa (syn. Brachiaria ) cultivars represent 85% of tropical pastures occupying 114 million hectares of cultivated grasslands in Brazil. Despite the commercial importance of the Urochloa species, low molecular information is available and is far from saturating the genome. Investigating and obtaining more markers associated to characteristics of difficult and late expression can benefit in accelerating breeding programs of more important species. Aiming to increase the number of molecular markers, genic microsatellite markers were obtained from transcriptome of U. decumbens and analyzed for their cross-amplification to U. brizantha , U. humidicola and U. ruziziensis . Genic microsatellite markers were isolated from a transcriptome obtained of U....
Tipo: Artigo de periódico Palavras-chave: Signalgrass; Simple Sequence Repeat; Transferability; Brachiaria.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1101685
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Somatic embryogenesis and organogenesis in apomictic and sexual Brachiaria brizantha. Repositório Alice
CABRAL, G. B.; CARNEIRO, V. T. de C.; LACERDA, A. L.; VALLE, C. B. do; MARTINELLI, A. P.; DUSI, D. M. de A..
Tipo: Separatas Palavras-chave: Albino plants; Repetitive somatic embryogenesis; Signalgrass; Apomixis; Organogenesis.
Ano: 2011 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/918078
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Chemical control of signalgrass for establishing Tanzania-grass Animal Sciences
Rodrigues, Barbara Martins; Santos, Marcia Vitoria; Paschoaloto, Josimari Regina; Braz, Thiago Gomes dos Santos; Santos, José Barbosa; Martins, Cesar Augusto; Costa, João Pedro Rodrigues; Borges, Claudia Eduarda.
Herbicides have been used to control Brachiaria grass in pastures established or in formation given their practicality, however their efficiency is questionable due to the lack of specific graminicides for different forage species. Therefore, the goal of this study was to evaluate the efficiency of glyphosate and fluazifop-p-butyl in the control of Brachiaria decumbens (signalgrass) and the intoxication levels of Panicum maximum cv. Tanzania (Tanzania quinea grass) in pasture establishment. The experiments were designed in randomized blocks, in a 2 × 5 × 4 factorial arrangement of two herbicides (fluazifop-p-butyl and glyphosate), five doses equivalent to the commercial dosage of each herbicide (0.25; 0.50; 1.00; 1.50; 200), and four evaluation times after...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Signalgrass; Tanzania-grass; ACCase enzyme; Fluazifop-p-butyl; Glyphosate. signalgrass; Tanzania-grass; ACCase enzyme; Fluazifop-p-butyl; Glyphosate..
Ano: 2020 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/48408
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The effect of ensiling and haymaking on the concentrations of steroidal saponin in two Brachiaria grass species Ciência Rural
Lima,Flavia Gontijo de; Lee,Stephen Thomas; Pfister,James Alan; Miyagi,Eliane Sayuri; Costa,Gustavo Lage; Silva,Roberta Dias da; Fioravanti,Maria Clorinda Soares.
Brachiaria (signalgrass) is now the most widely used tropical grass genus in Central and South America. However, Brachiaria spp. can cause hepatogenous photosensitization in livestock. Steroidal saponins, specifically protodioscin, present in Brachiaria spp. may be responsible for liver injury and subsequent photosensitization. The objective of this study was to determine the effect of ensiling Brachiaria decumbens and Brachiaria brizantha or making hay from Brachiaria decumbens on the concentrations of steroidal saponin in these grasses. Brachiaria grass had no detectable levels of the saponin protodioscin after 24 days of ensiling. In addition, in Brachiaria decumbens, the concentration of the protodioscin decreased 48% over the first three days after...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Haymaking; Hepatogenous photosensitization; Saponin; Protodioscin; Signalgrass; Silage..
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000500858
Registros recuperados: 5
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