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Registro Completo |
Biblioteca(s): |
Embrapa Clima Temperado. |
Data corrente: |
30/03/2011 |
Data da última atualização: |
03/01/2019 |
Autoria: |
RODRIGUES, R. C.; COELHO, R. W.; REIS, J. C. L. |
Afiliação: |
RUBEN CASSEL RODRIGUES, CPACT; ROGÉRIO WALTRICK COELHO; JOSÉ CARLOS LEITE REIS. |
Título: |
Rendimento de forragem e composição química de cinco gramíneas de estação fria. |
Ano de publicação: |
2002 |
Fonte/Imprenta: |
Pelotas: Embrapa Clima Temperado, 2002. |
Páginas: |
3 p. |
Série: |
(Embrapa Clima Temperado. Comunicado técnico, 77). |
Idioma: |
Português |
Palavras-Chave: |
Gramíneas. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/31668/1/comunicado77.pdf
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Marc: |
LEADER 00489nam a2200157 a 4500 001 1883790 005 2019-01-03 008 2002 bl uuuu u0uu1 u #d 100 1 $aRODRIGUES, R. C. 245 $aRendimento de forragem e composição química de cinco gramíneas de estação fria. 260 $aPelotas: Embrapa Clima Temperado$c2002 300 $a3 p. 490 $a(Embrapa Clima Temperado. Comunicado técnico, 77). 653 $aGramíneas 700 1 $aCOELHO, R. W. 700 1 $aREIS, J. C. L.
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Embrapa Clima Temperado (CPACT) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Corte. Para informações adicionais entre em contato com cnpgc.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
16/04/1997 |
Data da última atualização: |
05/06/2007 |
Autoria: |
HOPKINSON, J. M.; SOUZA, F. H. D. de; DIULGHEROFF, S.; ORTIZ, A.; SANCHEZ, M. |
Título: |
Reproductive physiology, seed production and seed quality of Brachiaria. |
Ano de publicação: |
1996 |
Fonte/Imprenta: |
In: MILES, J.W.; MAASS, B.L.; VALLE, C.B. do, ed. Brachiaria: biology, agronomy and improvement. Cali: CIAT / Brasilia: EMBRAPA-CNPGC, 1996. |
Páginas: |
p.124-140. |
Série: |
(CIAT Publication, 259). |
ISBN: |
958-9439-57-8 |
Idioma: |
Inglês |
Notas: |
CNPGC. |
Conteúdo: |
Seed of six commercial Brachiaria species is extensively produced for pasture sowing. Production is restricted geographically and seasonally by photoperiodic flowering reactions. It also requires a prior control of vegetative toller production, and therefore a reliable dry season. The necessary conditions are, most readily found at high tropical latitudes. Seed crop management is mostly conventinal. Vigorous synchronized tillering is stimulated by decapitation and use of nitrigenous fertilizer at times when rainfall, temperature, and sunshine are expected to favor unrestricted development. Ripe seed sheds readily and, coupled with imperfect synchronization of crop ripening, tends to make conventional direct harvesting inefficient and its timing critical. Where possible, seeds are let to fall and acumulate, and then recovered. Seed yields range from more than 1,000 kg/ha of pure seed to less than 100 kg/ha. Seed quality is heavily influenced by vitality and dormancy. Vitality depends mostly on maturity of seed harvest, being higher in accumulated fallen seed and much lower in directly severed seed. Dormancy is stringly developed in the genus and persists in most taxa at least into the season after harvest. This created problems for germination testing and in the field use of fresh seed. Breaching the husk, most commonly by sulfuric acid, provides of partial solution.Suggestions are offered for improving seed production when developing new cultivars, particulary for compatible with production at low latitude. MenosSeed of six commercial Brachiaria species is extensively produced for pasture sowing. Production is restricted geographically and seasonally by photoperiodic flowering reactions. It also requires a prior control of vegetative toller production, and therefore a reliable dry season. The necessary conditions are, most readily found at high tropical latitudes. Seed crop management is mostly conventinal. Vigorous synchronized tillering is stimulated by decapitation and use of nitrigenous fertilizer at times when rainfall, temperature, and sunshine are expected to favor unrestricted development. Ripe seed sheds readily and, coupled with imperfect synchronization of crop ripening, tends to make conventional direct harvesting inefficient and its timing critical. Where possible, seeds are let to fall and acumulate, and then recovered. Seed yields range from more than 1,000 kg/ha of pure seed to less than 100 kg/ha. Seed quality is heavily influenced by vitality and dormancy. Vitality depends mostly on maturity of seed harvest, being higher in accumulated fallen seed and much lower in directly severed seed. Dormancy is stringly developed in the genus and persists in most taxa at least into the season after harvest. This created problems for germination testing and in the field use of fresh seed. Breaching the husk, most commonly by sulfuric acid, provides of partial solution.Suggestions are offered for improving seed production when developing new cultivars, particulary for co... Mostrar Tudo |
Palavras-Chave: |
Pasture; Processing; Production; Quality; Seed. |
Thesagro: |
Brachiaria; Colheita; Dormência; Fisiologia; Pastagem; Processamento; Produção; Qualidade; Semente. |
Thesaurus NAL: |
dormancy; harvesting; plant physiology; viability. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02693naa a2200433 a 4500 001 1318794 005 2007-06-05 008 1996 bl uuuu u00u1 u #d 020 $a958-9439-57-8 100 1 $aHOPKINSON, J. M. 245 $aReproductive physiology, seed production and seed quality of Brachiaria. 260 $c1996 300 $ap.124-140. 490 $a(CIAT Publication, 259). 500 $aCNPGC. 520 $aSeed of six commercial Brachiaria species is extensively produced for pasture sowing. Production is restricted geographically and seasonally by photoperiodic flowering reactions. It also requires a prior control of vegetative toller production, and therefore a reliable dry season. The necessary conditions are, most readily found at high tropical latitudes. Seed crop management is mostly conventinal. Vigorous synchronized tillering is stimulated by decapitation and use of nitrigenous fertilizer at times when rainfall, temperature, and sunshine are expected to favor unrestricted development. Ripe seed sheds readily and, coupled with imperfect synchronization of crop ripening, tends to make conventional direct harvesting inefficient and its timing critical. Where possible, seeds are let to fall and acumulate, and then recovered. Seed yields range from more than 1,000 kg/ha of pure seed to less than 100 kg/ha. Seed quality is heavily influenced by vitality and dormancy. Vitality depends mostly on maturity of seed harvest, being higher in accumulated fallen seed and much lower in directly severed seed. Dormancy is stringly developed in the genus and persists in most taxa at least into the season after harvest. This created problems for germination testing and in the field use of fresh seed. Breaching the husk, most commonly by sulfuric acid, provides of partial solution.Suggestions are offered for improving seed production when developing new cultivars, particulary for compatible with production at low latitude. 650 $adormancy 650 $aharvesting 650 $aplant physiology 650 $aviability 650 $aBrachiaria 650 $aColheita 650 $aDormência 650 $aFisiologia 650 $aPastagem 650 $aProcessamento 650 $aProdução 650 $aQualidade 650 $aSemente 653 $aPasture 653 $aProcessing 653 $aProduction 653 $aQuality 653 $aSeed 700 1 $aSOUZA, F. H. D. de 700 1 $aDIULGHEROFF, S. 700 1 $aORTIZ, A. 700 1 $aSANCHEZ, M. 773 $tIn: MILES, J.W.; MAASS, B.L.; VALLE, C.B. do, ed. Brachiaria: biology, agronomy and improvement. Cali: CIAT / Brasilia: EMBRAPA-CNPGC, 1996.
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