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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Leite; Embrapa Rondônia. |
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Data corrente: |
29/06/1992 |
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Data da última atualização: |
22/11/2004 |
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Autoria: |
NASCIMENTO, H. T. S. do. |
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Título: |
Fatores morfofisiológicos de rebrota do Capim-gordura (Melinis Minutiflora Beauv.) |
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Ano de publicação: |
1977 |
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Fonte/Imprenta: |
Viçosa: UFV, 1977 |
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Páginas: |
47 p. |
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Idioma: |
Português |
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Notas: |
Tese Mestrado |
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Palavras-Chave: |
Fatores morfologicos; Forragem-Pastagem-Fisiologia-Morfologia-Capim-gordura; Plantas forrageiras. |
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Thesagro: |
Capim Gordura; Rebrota. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00546nam a2200181 a 4500
001 1705406
005 2004-11-22
008 1977 bl uuuu m 00u1 u #d
100 1 $aNASCIMENTO, H. T. S. do
245 $aFatores morfofisiológicos de rebrota do Capim-gordura (Melinis Minutiflora Beauv.)
260 $aViçosa: UFV$c1977
300 $a47 p.
500 $aTese Mestrado
650 $aCapim Gordura
650 $aRebrota
653 $aFatores morfologicos
653 $aForragem-Pastagem-Fisiologia-Morfologia-Capim-gordura
653 $aPlantas forrageiras
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Registro original: |
Embrapa Rondônia (CPAF-RO) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
05/02/2014 |
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Data da última atualização: |
17/05/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
MATONYEI, T. K.; CHEPROT, R. K.; LIU, J.; PIÑEROS, M. A.; SHAFF, J. E.; GUDU, S.; WERE, B.; MAGALHAES, J. V.; KOCHIAN, L. V. |
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Afiliação: |
JURANDIR VIEIRA DE MAGALHAES, CNPMS. |
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Título: |
Physiological and molecular analysis of aluminum tolerance in selected Kenyan maize lines. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Plant and Soil, Dordrecht, v. 377, p. 357-367, 2014. |
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DOI: |
10.1007/s11104-013-1976-6 |
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Idioma: |
Inglês |
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Conteúdo: |
Aims Aluminum (Al) toxicity is an important limitation to maize production in many tropical and sub-tropical acid soil areas. The aim of this study was to survey the variation in Al tolerance in a panel of maize lines adapted for Kenya and look for novel sources of Al tolerance. Methods 112 Kenyan maize accessions were phenotyped for Al tolerance in solution culture. Several Al tolerance-related parameters including relative net root growth (RNRG), root apex Al accumulation, Al-activated root organic acid exudation, and expression of the maize Al tolerance gene, ZmMATE1, were used to classify Kenyan maize accessions. Results Based on RNRG, 42 %, 28 %, and 30 % of the lines were classified as highly tolerant, moderately tolerant and sensitive, respectively. Tolerant accessions accumulated less Al in their root apices compared to sensitive lines. The Kenyan maize line, CON 5, and the Brazilian standard for tolerance, Cateto, exhibited the greatest Al tolerance based on RNRG, but CON 5 had only about 50 % of ZmMATE1 gene expression relative to Cateto. CON 5 also had low root apex Al content and high citrate exudation, suggesting that it may employ a citrate transporter other than ZmMATE1. Conclusions We identified a very Al tolerant Kenyan maize line whose Al tolerance may be based in part on a novel tolerance gene. The maize lines identified in this study are useful germplasm for the development of varieties suitable for agriculture on acid soils in Kenya. |
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Palavras-Chave: |
Toxicidade. |
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Thesagro: |
Alumínio. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02199naa a2200253 a 4500
001 1978688
005 2017-05-17
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1007/s11104-013-1976-6$2DOI
100 1 $aMATONYEI, T. K.
245 $aPhysiological and molecular analysis of aluminum tolerance in selected Kenyan maize lines.$h[electronic resource]
260 $c2014
520 $aAims Aluminum (Al) toxicity is an important limitation to maize production in many tropical and sub-tropical acid soil areas. The aim of this study was to survey the variation in Al tolerance in a panel of maize lines adapted for Kenya and look for novel sources of Al tolerance. Methods 112 Kenyan maize accessions were phenotyped for Al tolerance in solution culture. Several Al tolerance-related parameters including relative net root growth (RNRG), root apex Al accumulation, Al-activated root organic acid exudation, and expression of the maize Al tolerance gene, ZmMATE1, were used to classify Kenyan maize accessions. Results Based on RNRG, 42 %, 28 %, and 30 % of the lines were classified as highly tolerant, moderately tolerant and sensitive, respectively. Tolerant accessions accumulated less Al in their root apices compared to sensitive lines. The Kenyan maize line, CON 5, and the Brazilian standard for tolerance, Cateto, exhibited the greatest Al tolerance based on RNRG, but CON 5 had only about 50 % of ZmMATE1 gene expression relative to Cateto. CON 5 also had low root apex Al content and high citrate exudation, suggesting that it may employ a citrate transporter other than ZmMATE1. Conclusions We identified a very Al tolerant Kenyan maize line whose Al tolerance may be based in part on a novel tolerance gene. The maize lines identified in this study are useful germplasm for the development of varieties suitable for agriculture on acid soils in Kenya.
650 $aAlumínio
653 $aToxicidade
700 1 $aCHEPROT, R. K.
700 1 $aLIU, J.
700 1 $aPIÑEROS, M. A.
700 1 $aSHAFF, J. E.
700 1 $aGUDU, S.
700 1 $aWERE, B.
700 1 $aMAGALHAES, J. V.
700 1 $aKOCHIAN, L. V.
773 $tPlant and Soil, Dordrecht$gv. 377, p. 357-367, 2014.
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Embrapa Milho e Sorgo (CNPMS) |
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