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Registro Completo |
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
04/12/2012 |
Data da última atualização: |
04/12/2012 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
ATAÍDE, E. M.; FALEIRO, F. G.; JUNQUEIRA, N. T. V.; SILVA, M. DE S. |
Afiliação: |
ELMA MACHADO ATAÍDE, UNIVERSIDADE FEDERAL RURAL DE PERNAMBUCO; FABIO GELAPE FALEIRO, CPAC; NILTON TADEU VILELA JUNQUEIRA, CPAC; MARCELO DE SOUZA SILVA, ESTUDANTE UNIVERSIDADE FEDERAL RURAL DE PERNAMBUCO. |
Título: |
Parâmetros genéticos e características agronômicas de seis cultivares de maracujazeiro azedo no sertão pernambucano. |
Ano de publicação: |
2012 |
Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 22., 2012, Bento Gonçalves. Anais... Bento Gonçalves: SBF, 2012. |
Idioma: |
Português |
Palavras-Chave: |
Maracujazeiro azedo; Sertão Pernambucano. |
Thesagro: |
Características agronômicas; Maracujá; Parâmetro genético. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/71351/1/CD416Nilton8.pdf
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Marc: |
LEADER 00719nam a2200193 a 4500 001 1941134 005 2012-12-04 008 2012 bl uuuu u00u1 u #d 100 1 $aATAÍDE, E. M. 245 $aParâmetros genéticos e características agronômicas de seis cultivares de maracujazeiro azedo no sertão pernambucano.$h[electronic resource] 260 $aIn: CONGRESSO BRASILEIRO DE FRUTICULTURA, 22., 2012, Bento Gonçalves. Anais... Bento Gonçalves: SBF$c2012 650 $aCaracterísticas agronômicas 650 $aMaracujá 650 $aParâmetro genético 653 $aMaracujazeiro azedo 653 $aSertão Pernambucano 700 1 $aFALEIRO, F. G. 700 1 $aJUNQUEIRA, N. T. V. 700 1 $aSILVA, M. DE S.
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Embrapa Cerrados (CPAC) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
17/12/2014 |
Data da última atualização: |
17/12/2014 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
ALVAREZ-PIZARRO, J. C.; GOMES FILHO, E.; PRISCO, J. T.; GROSSI DE SA, M. F.; OLIVEIRA NETO, O. B. de; FRAGOSO, R. da R. |
Afiliação: |
MARIA FATIMA GROSSI DE SA, CENARGEN; RODRIGO DA ROCHA FRAGOSO, CPAC. |
Título: |
Plasma membrane H+-ATPase in sorghum roots as affected by potassium deficiency and nitrogen sources. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Biologia Plantarum, v. 58, n. 3, p. 507-514, 2014. |
Idioma: |
Inglês |
Conteúdo: |
Abstract: We studied the influence of inorganic nitrogen sources (NO3- or NH4+) and potassium deficiency on expression and activity of plasma membrane (PM) H+-ATPase in sorghum roots. After 15 d of cultivation at 0.2 mM K+, the plants were transferred to solutions lacking K+ for 2 d. Then, K+ depletion assays were performed in the presence or absence of vanadate. Further, PMs from K+-starved roots were extracted and used for the kinetic characterization of ATP hydrolytic activity and the immunodetection of PM H+-ATPase. Two major genes coding PM H+-ATPase (SBA1 and SBA2) were analyzed by real-time PCR. PM H+-ATPase exhibited a higher Vmax and Km in NH4+-fed roots compared with NO3--fed roots. The optimum pH of the enzyme was slightly lower in NO3- -fed roots than in NH4+ -fed roots. The vanadate sensitivity was similar. The expressions of SBA1 and SBA2 were increased in roots grown under NH4+. Concomitantly, an increased content of the enzyme in PM was observed. The initial rate of K+ uptake did not differ between plants grown with NO3- or NH4+, but it was significantly reduced by vanadate in NH4+-grown plants. |
Palavras-Chave: |
Nitrato de Amonia. |
Thesagro: |
Fertilizante nitrogenado; Potássio; Sorghum Bicolor; Sorgo. |
Thesaurus NAL: |
Ammonium nitrate; Nitrate fertilizers; Potassium. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 01933naa a2200277 a 4500 001 2003022 005 2014-12-17 008 2014 bl uuuu u00u1 u #d 100 1 $aALVAREZ-PIZARRO, J. C. 245 $aPlasma membrane H+-ATPase in sorghum roots as affected by potassium deficiency and nitrogen sources. 260 $c2014 520 $aAbstract: We studied the influence of inorganic nitrogen sources (NO3- or NH4+) and potassium deficiency on expression and activity of plasma membrane (PM) H+-ATPase in sorghum roots. After 15 d of cultivation at 0.2 mM K+, the plants were transferred to solutions lacking K+ for 2 d. Then, K+ depletion assays were performed in the presence or absence of vanadate. Further, PMs from K+-starved roots were extracted and used for the kinetic characterization of ATP hydrolytic activity and the immunodetection of PM H+-ATPase. Two major genes coding PM H+-ATPase (SBA1 and SBA2) were analyzed by real-time PCR. PM H+-ATPase exhibited a higher Vmax and Km in NH4+-fed roots compared with NO3--fed roots. The optimum pH of the enzyme was slightly lower in NO3- -fed roots than in NH4+ -fed roots. The vanadate sensitivity was similar. The expressions of SBA1 and SBA2 were increased in roots grown under NH4+. Concomitantly, an increased content of the enzyme in PM was observed. The initial rate of K+ uptake did not differ between plants grown with NO3- or NH4+, but it was significantly reduced by vanadate in NH4+-grown plants. 650 $aAmmonium nitrate 650 $aNitrate fertilizers 650 $aPotassium 650 $aFertilizante nitrogenado 650 $aPotássio 650 $aSorghum Bicolor 650 $aSorgo 653 $aNitrato de Amonia 700 1 $aGOMES FILHO, E. 700 1 $aPRISCO, J. T. 700 1 $aGROSSI DE SA, M. F. 700 1 $aOLIVEIRA NETO, O. B. de 700 1 $aFRAGOSO, R. da R. 773 $tBiologia Plantarum$gv. 58, n. 3, p. 507-514, 2014.
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