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| Registros recuperados: 168 | |
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| Campos,Patrícia Regina de Souza Siqueira; Silva,José Fernando Coelho da; Vásquez,Hernán Maldonado; Vittori,Andréa; Silva,Martinho de Almeida e. |
| It was evaluated by the Cornell System carbohidrates fractions and nitrogenous compounds of the following grasses at the cutting ages of 14, 28, 42, and 56 days: nilo grass (Acroceras macrum), angola grass (Brachiaria purpurascens), aleman grass (Echinochloa polystachya), limpo grass (Hemarthria altíssima), setaria grass (Setaria anceps), tanner grass (Brachiaria arrecta), and tifton-85 grass (Cynodon spp). The experiment was carried out in a complete randomized block design, in a split plot arrangement in a way that the grasses were evaluated in the plots and the ages of cut in the split-plots. The age of cutting had an effect on the composition of the studied grasses. In most of the grasses, total carbohydrate levels, non-fibrous carbohydrates and A+B1... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chemical composition; Cornell system; Forage; Neutral detergent fiber; Protein. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000700021 |
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| Garcez Neto,Américo Fróes; Gobbi,Kátia Fernanda; Silva,Janielen da; Santos,Tiago Machado dos. |
| Biomass partitioning in forages is highly variable during plant development and with the rate of nutrient supply. This study was carried out with the objective to evaluate the tillering pattern and biomass partitioning of Mombasa grass (Megathyrsus maximus cv. Mombaça) subjected to rates of nitrogen (N) during regrowth. The treatments consisted of three weekly rates of N: control (without N supply), 25 and 50 mg dm-3 of N, which were evaluated by 1, 2, 4, 8, 16 and 32 days after defoliation. The design was of completely randomized blocks in a 3 × 6 factorial arrangement with three replicates. The number of tillers was measured and harvesting and weighting of the following morphological components were performed: leaf (leaf blades), pseudostem, stem base... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Forage; Morphology; Structure; Tiller. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000800004 |
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| Pereira,José Luiz de Andrade Rezende; Pinho,Renzo Garcia Von; Souza Filho,Alano Xavier; Pereira,Marcos Neves; Santos,Álvaro de Oliveira; Borges,Iran Dias. |
| The objective of this experiment was to characterize the dry matter production of vegetative components (stalk, leaf, husk, and cob) and reproductive components (grain) of the corn plant according to planting time and the grain maturity stage. Eight corn hybrids with different agronomic characteristics were used to carry out the experiments. Two experiments were performed with planting undertaken on 11/11/2007 and 12/12/2007 under a conventional tillage system. The eight corn cultivars were harvested at three grain maturity stages, half milk line, three quarters milk line and black layer. An 8 × 3 factorial (eight hybrids and the three cutting times) randomized blocks design was used, with three replications. Individual analysis of variance was performed... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Digestibility; Dry matter; Fiber quality; Forage; Zea mays. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000500005 |
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| Caetano,Hamilton; Oliveira,Mauro Dal Secco de; Freitas Júnior,José Esler de; Rêgo,Aníbal Coutinho do; Carvalho,Marina Vieira de; Rennó,Francisco Palma. |
| The objective of this study was to evaluate the chemical composition and dry matter in vitro digestibility of stem, leaf, straw, cob and kernel fractions of eleven corn (Zea mays) cultivars, harvested at two cutting heights. The experiment was designed as randomized blocks, with three replicates, in a 2 × 11 factorial arrangement (eleven cultivars and two cutting heights). The corn cultivars evaluated were D 766, D 657, D 1000, P 3021, P 3041, C 805, C 333, AG 5011, FOR 01, CO 9621 and BR 205, harvested at a low cutting height (5 cm above ground) and a high cutting height (5 cm below the first ear insertion). Cutting height influenced the dry matter content of the stem fraction, which was lower (23.95%) in plants harvested at the low, than in plants... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Forage; In vitro digestibility; Ruminant; Zea mays. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000100002 |
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| Silva,Vinícius Pimentel; Almeida,Fernando Queiroz de; Morgado,Eliane da Silva; Rodrigues,Liziana Maria; Santos,Tiago Marques dos; Ventura,Henrique Torres. |
| The present study was carried out to evaluate the in situ degradation of dry matter (DM), neutral detergent fiber (NDF) and crude protein (CP) in roughages by the in situ caecal digestion technique in horses. The roughages evaluated were: Lucerne hay (Medicago sativa), peanut (Arachis pintoi cv. Amarillo), desmodio(Desmodium ovalifolium), stylo (Stylosanthes guianensis cv. Mineirão), pigeon pea (Cajanus cajan), lime-yellow pea (Macrotyloma axillare) and coastcross hay (Cynodon dactylon cv. coastcross). The assay was conducted in a complete randomized design with seven roughages and three replications. One mare with a cannula fitted in the caecum was used, fed diet consisting of coastcross hay (80%) and concentrate (20%) at 2.0% BW, four times a day. Nylon... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cannula; Digestion; Fiber; Forage; Legume. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000200018 |
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| Braz,Thiago Gomes dos Santos; Fonseca,Dilermando Miranda da; Jank,Liana; Cruz,Cosme Damião; Martuscello,Janaina Azevedo. |
| The objective of this study was to evaluate the genotypic stability of agronomic traits in hybrids of Panicum maximum. Hybrids originating from the crosses between two sexual parents and cultivars Mombasa and Tanzania were evaluated in an incomplete-block design. Evaluated traits were total dry matter, leaf dry matter, stem dry matter, percentage of leaves, and leaf:stem ratio. These traits were evaluated in six harvests. Overall, higher repeatability was observed for the traits total dry matter and leaf dry matter, especially when harvests 4, 5, and 6, occurring in spring and summer, were evaluated. The leaf dry matter was the trait that provided the greatest repeatability and determination. The repeatability of stem dry matter, percentage of leaves, and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Coefficient of determination; Forage; Repeated measures; Selection efficiency. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015001100377 |
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| Timbó,Ana Luiza de Oliveira; Pereira,Roselaine Cristina; Souza Sobrinho,Fausto; Davide,Lisete Chamma. |
| Breeding programs for Brachiaria spp. use both intraspecies and interspecies crosses between sexual and apomictic plants in order to obtain new cultivars with the desired characteristics. As there are different ploidy levels both within and between species of this genus, it becomes necessary to evaluate the genotypes used in breeding programs, as a guide to breeders when adopting crossing strategies. In this work, DNA content and chromosome number were determined in order to characterise ploidy levels in Brachiaria spp. genotypes. In the analysis of 15 genotypes, DNA content varied with the ploidy levels (2x, 3x and 4x), and between species and/or taxon. The average DNA content was 1.74 pg (2x) in B. ruziziensis, 3.74 pg (4x) in B. decumbens and 3.52 pg... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Germplasm bank; Cytogenetics; Flow cytometry; Forage. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902014000100008 |
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| Bumbieris Junior,Valter Harry; Emile,Jean-Claude; Jobim,Clóves Cabreira; Rossi,Robson Marcelo; Horst,Egon Henrique; Novak,Sandra. |
| ABSTRACT: The use of intercropped grass legumes provides a source of sustainable animal production as these vegetables contribute to an increase in forage yield by area, and substitute inorganic nitrogen and other components. The objective of this study was to evaluate the nutritional characteristics of silages and the yield and milk quality of Holstein cows fed triticale silages in monoculture or intercropped with either oats or legumes. The crops for silage production were triticale (TS), triticale in consortium with forage pea (TSP), and triticale in consortium with oats, forage peas and vetches (TSOPV). The silages showed no differences in dry matter content. The highest crude protein (13.06 %) and ethereal extract content was observed in TSOPV, but in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Forage; Forage pea; Grass; Nutritional value; Vetch. |
| Ano: 2021 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162021000200402 |
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| Munari-Escarela,Carolina; Pietroski,Marizane; Mello-Prado,Renato de; Silva-Campos*,Cid Naudi; Caione,Gustavo. |
| Abstract Mombasa grass is very demanding and responsive to soil fertility. The objective of the present study was to evaluate forage production and the correlation among crude protein and the green color index of leaves of Megathyrsus maximum cultivar Mombasa in function of nitrogen levels. The study was conducted using 5 dm-3 pots in a greenhouse at the Universidade Estadual Paulista - UNESP, Jaboticabal, São Paulo. The experimental design consisted of randomized blocks with five treatments and four replications. Treatments were nitrogen rates (0, 62.5, 125, 250 and 500 mg dm-3 of N), corresponding to 0, 125, 250, 500 and 1000 kg ha-1 of N. We evaluated the production of grass dry matter, the green color index, the accumulation of nitrogen and crude... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chlorophyll; Forage; Plant nutrition; Protein; Urea. |
| Ano: 2017 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122017000100042 |
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| Giostri, André Faé; Universidade Federal do Paraná; Bond, Luiz Fernando Montrucchio; Universidade Federal do Paraná; Motta, Antonio Carlos Vargas; Universidade Federal do Paraná; Pimentel, Ida Chapaval; Universidade Federal do Paraná; Carvalho, Paulo César de Faccio; Universidade Federal do Paraná; Dionízio, Jair Alves; Universidade Federal do Paraná. |
| O resíduo líquido da indústria de enzimas (LWE) é utilizado como fertilizante por muitos agricultores. Para determinar o impacto do uso de LWE no solo, crescimento e nutrição mineral do pasto nativo, foi executado um experimento no município de Fazenda Rio Grande - PR. Os tratamentos foram cinco doses de LWE (0, 45, 90, 135 e 180m3 ha-1), aplicada em Agosto de 2006. Em 2007 uma única taxa de 60 m3 ha-1 foi aplicada. Amostras de solo foram coletadas em quatro profundidades (0-10, 10-20, 20-40 e 40-60 cm) para verificar mudanças nas propriedades químicas do solo. Foram executados cinco cortes para determinar o crescimento e condições nutricionais das plantas. Ocorreu aumento nos teores de Ca, Mg, K, P, soma de bases , saturação de bases, pHs e diminuição do... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agronomia fertilidade do solo e nutrição mineral de plantas soil acidity; Forage; Carbon; Fertilizater fertilidade do solo industrial waste pasture carbon fertilization Fertilidade do solo e nutrição de plantas. |
| Ano: 2014 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/14570 |
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| Castro, Juliana Pereira de; Universidade Federal da Paraíba; Araújo, Emmanuelle Rodrigues; Universidade Federal da Paraíba - UFPB; Rêgo, Mailson Monteiro do; Universidade Federal da Paraíba - UFPB; Rêgo, Elizanilda Ramalho do; Universidade Federal da Paraíba - UFPB. |
| This work aimed to promote in vitro seed germination and disinfestation of the sweet cactus. Seeds were submerged in alcohol at 70% for 1 min. and then treated with sodium hypochlorite solution at different concentrations: 0.0; 0.5; 1.0 and 1.5%. After this treatment, the seeds were washed four times in distillated, deionized and autoclaved water. Seeds were inoculated in MS medium with different concentrations of sucrose (0.0, 2.5, 5.0, 7.5 and 10.0 g L-1). The experimental design was completely randomized in a factorial experiment 4 x 5, with five replicates for treatments. Contamination, germination and seedling growth were evaluated. The results of the analysis of variance indicate that there were no significant interactions among factors. There was no... |
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Palavras-chave: 5.01.00.00-9 Cactaceae; Forage; Tissue culture 5.01.00.00-9 Cactaceae; Forage; Tissue culture. |
| Ano: 2011 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/6275 |
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| Registros recuperados: 168 | |
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