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Characterization of interphase nuclei from triploid hybrids between Pennisetum purpureum Schumach and Pennisetum glaucum (L.) R. Br. Repositório Alice
FAJARDO, C. G.; DAVIDE, L. C.; PEREIRA, A. V..
Tipo: Separatas Palavras-chave: Napier grass; Pearl millet; Interphase chromatin; Nuclear volume.
Ano: 2010 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/868971
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Characterization of interphase nuclei from triploid hybrids between Pennisetum purpureum Schumach and Pennisetum glaucum (L.) R. Br. Ciência e Agrotecnologia
Fajardo,Cristiane Gouvêa; Davide,Lisete Chamma; Pereira,Antônio Vander.
This study evaluated the structure and the volume of interphase nuclei from root meristems of the genotypes of napier grass (Pennisetum purpureum), pearl millet (Pennisetum glaucum) and hybrids resultant of such breeding. In napier grass, nuclei were areticulate. Both pearl millet and the triploid hybrid had semi-reticulate nuclei; also, the hybrid presented a small proportion (6%) of areticulate nuclei. Pearl millet had the highest averages of nuclear dimensions, such as volume, diameter and radius, followed by the interspecific hybrid and napier grass. There was no intraspecific variation for the type of nuclear structure, which indicates this feature is important for cytotaxonomic studies involving the genus Pennisetum. Results demonstrated that...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Napier grass; Pearl millet; Interphase chromatin; Nuclear volume.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542010000500007
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Digestibilidade in vitro e in situ de três forrageiras tropicais colhidas manualmente e por vacas fistuladas no esôfago - DOI: 10.4025/actascianimsci.v30i2.4701 Animal Sciences
Benedetti, Edmundo; UFU; Rodríguez, Norberto Mario; UFMG; Campos, Warley Efrem; UFMG; Gonçalves, Lúcio Carlos; UFMG; Borges, Iran; UFMG.
Avaliou-se a digestibilidade in vitro (DIV) e in situ
Palavras-chave: 5.04.03.00-1 Nutrição e Alimentação Animal degradabilidade; Capim Napier; Colonião; Braquiária. degradability; Napier grass; Colonião; Brachiaria.
Ano: 2008 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/4701
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Elephant grass response to amino-acid synthesis inhibitor herbicides. Repositório Alice
BRIGHENTI, A. M..
Tipo: Separatas Palavras-chave: Napier grass; Selectivity; Tolerance.; Forage; Weeds..
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1051099
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Elephant grass response to amino-acid synthesis inhibitor herbicides. Repositório Alice
BRIGHENTI, A. M.; LEDO, F. J. da S.; MACHADO, J. C.; VAROTTO, Y. V. G..
Abstract Elephant grass (Pennisetum purpureum Schum.) fodder productivity and quality are directly affected by weed interference. The difficulty in controlling weed species is one of the major limitations to the production and use of elephant grass as a forage crop in dairy farming and biomass for energy production. In this study, field experiments were conducted in 2014 and 2015 at two locations in Minas Gerais State, Brazil, to evaluate the tolerance of elephant grass pasture to acetolactate synthase inhibitor herbicides. The experimental pastures were treated at 1× and 2× the normal field-use rates (g ai ha-1) with metsulfuron-methyl (7.8 and 15.6), chlorimuron-ethyl (15 and 30), halosulfuron (112.5 and 225), ethoxysulfuron (150 and 300), and...
Tipo: Separatas Palavras-chave: Napier grass; Selectivity; Tolerance.; Pennisetum Purpureum.; Forage..
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1067721
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Elephant grass response to amino-acid synthesis inhibitor herbicides. Repositório Alice
BRIGHENTI, A. M..
Tipo: Separatas Palavras-chave: Napier grass; Selectivity; Tolerance.; Forage; Weeds..
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1051097
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HPPD-Inhibiting herbicides alone or in tank-mix with Atrazine in elephant grass. Repositório Alice
BRIGHENTI, A. M.; MACHADO, J. C.; LEDO, F. J. da S.; CALSAVARA, L. H. F.; VAROTTO, Y. V. G..
The interference imposed by weeds is one of the most important factors limiting elephant grass forage yield. Two experiments were carried out in 2015/2016 and 2017 to evaluate the selectivity and weed control of 4-hydroxyphenylpyruvate dioxygenase (HPPD)-inhibiting herbicides applied alone or in combination with atrazine in elephant grass. The treatments applied in the experiment conducted in Valença, Rio de Janeiro State, Brazil, were as follows: two rates of mesotrione (0.072 and 0.144 kg ha-1 + 0.5% v/v mineral oil - Assist®), two rates of tembotrione (0.075 and 0.100 kg ha-1 + 0.5% v/v mineral oil - Aureo®), atrazine + mesotrione (1.25 + 0.072 kg ha-1 + 0.5% v/v mineral oil - Assist®), atrazine + tembotrione (1.25 + 0.100 kg ha-1 + 0.5% v/v mineral oil...
Tipo: Artigo de periódico Palavras-chave: Napier grass; Pasture; Pennisetum purpurem.; Forage; Weeds..
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1080503
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Performance of Braford steers grazing on cultivated pastures and fed or not fed an energy supplement R. Bras. Zootec.
Vaz,Ricardo Zambarda; Lobato,José Fernando Piva; Pacheco,Paulo Santana.
This experiment evaluated the performance of 84 Braford steers grazing on summer and winter cultivated pastures fed or not fed an energy-protein supplement. Steers were 10 months old and weighed, on average, 165 kg at the beginning of the trial. Steers grazed on cultivated winter pasture, consisting of black oats (Avena strigosa) and ryegrass (Lolium multiflorum Lam.), and then on cultivated summer pasture, consisting of Napier grass (Pennisetum purpureum). The following treatments were applied: SS - supplement was fed during both seasons; SN - supplement was fed only during the winter; NS - supplement was fed only during the summer; and NN - steers were not fed any supplement. Supplementation resulted in higher body weight and better body condition score...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Black oats; Body condition; Body weight; Napier grass; Weight gain.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000200008
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Potencial production yield and biomass quality attributes of elephant grass (pennisetum purpureum) for energy purposes. Repositório Alice
MARAFON, A. C.; SANTIAGO, A. D.; CAMARA, T. M. M.; RANGEL, J. H. de A.; AMARAL, A. F. C.; LEDO, F. J.; BIERHALS, A. N.; GUIMARÃES, V. S.; PAIVA, H. L..
Several of the perennial grasses include elephant grass (Pennisetum purpurem), energy cane (Saccharum sp.), giant reed (Arundo donax), sorghum and Miscanthus sp. are used for bioenergy production purposes.
Tipo: Parte de livro Palavras-chave: Dedicated energy crops; Napier grass; Fibers.; Renewable energy sources; Bioenergy; Forage grasses..
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1027954
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Preemergence herbicides on weed control in elephant grass pasture Ciência e Agrotecnologia
Brighenti,Alexandre Magno; Calsavara,Leonardo Henrique Ferreira; Varotto,Yago Vieira Guerra.
ABSTRACT Elephant grass (Pennisetum purpureum Schum.) is an important forage crop that has been proposed as a potential feedstock for bioenergy production. However, weed interference is a major factor limiting elephant grass production. Field experiments were conducted in 2014 and 2015 to evaluate preemergence herbicides for selective weed control in an elephant grass pasture. Herbicide treatments included atrazine + S-metolachlor, atrazine + simazine, ametryn, ethoxysulfuron, S-metolachlor, diuron + hexazinone, sulfentrazone, imazethapyr, and atrazine at label use rates. Weedy and weed-free treatments were included. Atrazine + S-metolachlor, atrazine + simazine, ametryn, ethoxysulfuron, S-metolachlor, sulfentrazone, and atrazine did not cause...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bioenergy; Biofuel; Napier grass; Forage; Pennisetum purpureum.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542017000100052
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Productivity and feed quality performance of napier grass (Cenchrus purpureus) genotypes growing under different soil moisture levels. Repositório Alice
HABTE, E.; TESHOME, A.; MUKTAR, M. S.; ASSEFA, Y.; NEGAWO, A. T.; MACHADO, J. C.; LEDO, F. J. da S.; JONES, C. S..
In the semi-arid and arid environments of Sub-Sharan Africa, forage availability throughout the year is insufficient and highly limited during the dry seasons due to limited precipitation. Thus, the identification of drought stress-tolerant forage cultivars is one of the main activities in forage development programs. In this study, Napier grass (Cenchrus purpureus), an important forage crop in Eastern and Central Africa that is broadly adapted to produce across tropical environments, was evaluated for its water use efficiency and production performance under field drought stress conditions. Eighty-four Napier grass genotypes were evaluated for their drought stress tolerance from 2018 to 2020 using agro-morphological and feed quality traits under two soil...
Tipo: Artigo de periódico Palavras-chave: Napier grass; Elephant grass; Soil moisture stress; Capim Elefante; Planta Forrageira; Biomassa; Umidade do Solo; Grama; Water use efficiency; Feed quality; Biomass; Forage.
Ano: 2022 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1148219
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Relative acceptability of napier grass and maize crop residues by brazilian SRD goats. Repositório Alice
JOHNSON, W. L.; BARROS, N. N.; OLIVEIRA, E. R. de; HARYANTO, B..
Tipo: Anais e Proceedings de eventos Palavras-chave: Sem Raça Defina (SDR); Goat; Napier grass; Crop residue; Aceitabilidade; Acceptability; Maize.; Caprino; Pennisetum purpureum; Capim elefante; Milho; Resíduo.; Goats; Crop residues..
Ano: 1982 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/514791
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Soil macrofauna in a Cerrado/Caatinga ecotone under different crops in Southwestern Piauí State, Brazil Ciência Rural
Santos,Djavan Pinheiro; Schossler,Thiago Rodrigo; Santos,Isis Lima dos; Melo,Nathália Batista; Santos,Glenio Guimarães.
ABSTRACT: The aim of this study was to characterize the soil macrofauna under different crop systems and compare them to the macrofauna under the native vegetation of a Cerrado/Caatinga ecotone in southwestern Piauí State, Brazil. The areas studied included areas under sweetsop cultivation (Annona squamosa L.), andropogon grass with three years of use, andropogon grass with six years of use, pivot-irrigated corn, Napier grass, and native vegetation. In each area, soil layers of 0-0.1, 0.1-0.2, and 0.2-0.3m, including the surface litter, were evaluated following the Tropical Soil Biology and Fertility Program (TSBF) recommendations. The soil macrofauna from the different land-use systems were identified to the family level, and the mean density of each...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bioindicators; Napier grass; Irrigated crop; Soil invertebrates; Soil quality.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017001000404
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Unraveling candidate genes underlying biomass digestibility in elephant grass (Cenchrus purpureus). Repositório Alice
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 de periódico 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
Registros recuperados: 14
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