Registro Completo
Biblioteca(s): |
Embrapa Acre; Embrapa Gado de Corte. |
Data corrente: |
03/06/2022 |
Data da última atualização: |
03/06/2022 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
JANK, L.; ANDRADE, C. M. S. de; MACIEL, G. A.; BARBOSA, R. A.; BRAGA, G. J.; MACEDO, M. C. M.; VALÉRIO, J. R.; VERZIGNASSI, J. R.; ZIMMER, A. H.; FERNANDES, C. D.; SANTOS, M. F.; SIMEÃO, R. M. |
Afiliação: |
LIANA JANK, CNPGC; CARLOS MAURICIO SOARES DE ANDRADE, CPAF-AC; GIOVANA ALCANTARA MACIEL, CPAC; RODRIGO AMORIM BARBOSA, CNPGC; GUSTAVO JOSE BRAGA, CPAC; MANUEL CLAUDIO MOTTA MACEDO, CNPGC; JAQUELINE ROSEMEIRE VERZIGNASSI, CNPGC; ADEMIR HUGO ZIMMER, CNPGC; CELSO DORNELAS FERNANDES, CNPGC; MATEUS FIGUEIREDO SANTOS, CNPGC; ROSANGELA MARIA SIMEAO, CNPGC. |
Título: |
BRS Quênia and BRS Tamani: new Panicum maximum Jacq. hybrid cultivars in Brazil. |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
In: INTERNATIONAL GRASSLAND CONGRESS, 24., INTERNATIONAL RANGELAND CONGRESS, 11., 2020, Kenya. Sustainable use of grassland and rangeland resources for improved livelihoods. Proceedings... Kenya: Kenya Agricultural and Livestock Research Organization, 2021. p. 218-222. |
Idioma: |
Inglês |
Conteúdo: |
Since 1982, Embrapa Beef Cattle in Campo Grande, MS, Brazil develops a Panicum maximum Jacq. breeding program based on teh germplasm collected abd assembled by IRD (Institute de Recherche pour le Developpment) and received through a cooperation-agreement with IRD. The germoplasm was evaluated and four cultivars were released directly from the germplasm: cultivars Tanzânia, Mombaça and BRS Zuri. Breeding began in 1990 and involved crosses between sexual plants and selected apomictic accessions. The program consists of evaluation followed by selection of hybrids in plots with replications, evaluation of the selected hybrids in national network experiments in diverse regions and then evaluation of the few selected hybrids under grazing. Hybrids are also evaluated for disease and insect resistances and abiotic stresses. Seeds are multiplied between each evaluation phase. The whole process takes from 10 to 20 years for the release of superior cultivars. Recently, Embrapa released two hybrid cultivars. BRS Tamani, a short, very leafy and high-tillering cultivar, and BRS Quênia, a medium height, very leafy productive cultivar. Both cultivars are recommended for medium to high fertility light soils, corrected for soil nutrients, and for rotationally grazed management. BRS Tamani, because of its short stature and quality is well indicated for cattle weaning. Both cultivars are tolerant to all the spittlebugs present in Brazil. They are not suited for waterlogged soils. Compared to the traditional cultivars in Brazil, these two cultivars showed improved digestibility and crude protein and greater animal daily gains and BRS Quênia also provided higher liveweight gain per area. MenosSince 1982, Embrapa Beef Cattle in Campo Grande, MS, Brazil develops a Panicum maximum Jacq. breeding program based on teh germplasm collected abd assembled by IRD (Institute de Recherche pour le Developpment) and received through a cooperation-agreement with IRD. The germoplasm was evaluated and four cultivars were released directly from the germplasm: cultivars Tanzânia, Mombaça and BRS Zuri. Breeding began in 1990 and involved crosses between sexual plants and selected apomictic accessions. The program consists of evaluation followed by selection of hybrids in plots with replications, evaluation of the selected hybrids in national network experiments in diverse regions and then evaluation of the few selected hybrids under grazing. Hybrids are also evaluated for disease and insect resistances and abiotic stresses. Seeds are multiplied between each evaluation phase. The whole process takes from 10 to 20 years for the release of superior cultivars. Recently, Embrapa released two hybrid cultivars. BRS Tamani, a short, very leafy and high-tillering cultivar, and BRS Quênia, a medium height, very leafy productive cultivar. Both cultivars are recommended for medium to high fertility light soils, corrected for soil nutrients, and for rotationally grazed management. BRS Tamani, because of its short stature and quality is well indicated for cattle weaning. Both cultivars are tolerant to all the spittlebugs present in Brazil. They are not suited for waterlogged soils. Compared to th... Mostrar Tudo |
Palavras-Chave: |
BRS Quênia; BRS Tamani; Características genéticas; Cattle performance; Fitomejoramiento; Guineagrass; Nueva variedad; Pastos forrajeros; Rendimiento del forraje; Resistencia a la enfermedad; Resistencia a las plagas; Yield. |
Thesagro: |
Capim Colonião; Germoplasma; Gramínea Forrageira; Melhoramento Genético Vegetal; Panicum Maximum; Rendimento; Seleção Genética; Variedade Resistente. |
Thesaurus NAL: |
Disease resistance; Forage; Forage grasses; Forage yield; Genetic traits; Germplasm; Megathyrsus maximus; New variety; Pest resistance; Plant breeding. |
Categoria do assunto: |
-- G Melhoramento Genético |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1143728/1/IGC-2021-BRS-Quenia-and-BRS-Tamani.pdf
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Marc: |
LEADER 03611nam a2200601 a 4500 001 2143728 005 2022-06-03 008 2021 bl uuuu u00u1 u #d 100 1 $aJANK, L. 245 $aBRS Quênia and BRS Tamani$bnew Panicum maximum Jacq. hybrid cultivars in Brazil.$h[electronic resource] 260 $aIn: INTERNATIONAL GRASSLAND CONGRESS, 24., INTERNATIONAL RANGELAND CONGRESS, 11., 2020, Kenya. Sustainable use of grassland and rangeland resources for improved livelihoods. Proceedings... Kenya: Kenya Agricultural and Livestock Research Organization, 2021. p. 218-222.$c2021 520 $aSince 1982, Embrapa Beef Cattle in Campo Grande, MS, Brazil develops a Panicum maximum Jacq. breeding program based on teh germplasm collected abd assembled by IRD (Institute de Recherche pour le Developpment) and received through a cooperation-agreement with IRD. The germoplasm was evaluated and four cultivars were released directly from the germplasm: cultivars Tanzânia, Mombaça and BRS Zuri. Breeding began in 1990 and involved crosses between sexual plants and selected apomictic accessions. The program consists of evaluation followed by selection of hybrids in plots with replications, evaluation of the selected hybrids in national network experiments in diverse regions and then evaluation of the few selected hybrids under grazing. Hybrids are also evaluated for disease and insect resistances and abiotic stresses. Seeds are multiplied between each evaluation phase. The whole process takes from 10 to 20 years for the release of superior cultivars. Recently, Embrapa released two hybrid cultivars. BRS Tamani, a short, very leafy and high-tillering cultivar, and BRS Quênia, a medium height, very leafy productive cultivar. Both cultivars are recommended for medium to high fertility light soils, corrected for soil nutrients, and for rotationally grazed management. BRS Tamani, because of its short stature and quality is well indicated for cattle weaning. Both cultivars are tolerant to all the spittlebugs present in Brazil. They are not suited for waterlogged soils. Compared to the traditional cultivars in Brazil, these two cultivars showed improved digestibility and crude protein and greater animal daily gains and BRS Quênia also provided higher liveweight gain per area. 650 $aDisease resistance 650 $aForage 650 $aForage grasses 650 $aForage yield 650 $aGenetic traits 650 $aGermplasm 650 $aMegathyrsus maximus 650 $aNew variety 650 $aPest resistance 650 $aPlant breeding 650 $aCapim Colonião 650 $aGermoplasma 650 $aGramínea Forrageira 650 $aMelhoramento Genético Vegetal 650 $aPanicum Maximum 650 $aRendimento 650 $aSeleção Genética 650 $aVariedade Resistente 653 $aBRS Quênia 653 $aBRS Tamani 653 $aCaracterísticas genéticas 653 $aCattle performance 653 $aFitomejoramiento 653 $aGuineagrass 653 $aNueva variedad 653 $aPastos forrajeros 653 $aRendimiento del forraje 653 $aResistencia a la enfermedad 653 $aResistencia a las plagas 653 $aYield 700 1 $aANDRADE, C. M. S. de 700 1 $aMACIEL, G. A. 700 1 $aBARBOSA, R. A. 700 1 $aBRAGA, G. J. 700 1 $aMACEDO, M. C. M. 700 1 $aVALÉRIO, J. R. 700 1 $aVERZIGNASSI, J. R. 700 1 $aZIMMER, A. H. 700 1 $aFERNANDES, C. D. 700 1 $aSANTOS, M. F. 700 1 $aSIMEÃO, R. M.
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Registro original: |
Embrapa Gado de Corte (CNPGC) |
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