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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. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
28/12/2004 |
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Data da última atualização: |
30/05/2018 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
ALVES, V. M. C.; PARENTONI, S. N.; VASCONCELLOS, C. A.; BAHIA FILHO, A. F. C.; PITTA, G. V. E.; SCHAFFERT, R. E. |
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Afiliação: |
VERA MARIA CARVALHO ALVES, CNPMS; SIDNEY NETTO PARENTONI, CNPMS; ROBERT EUGENE SCHAFFERT, CNPMS. |
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Título: |
Mechanisms of phosphorus efficiency in maize. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
In: HORST, W.J.; SCHENK, M.K.; BURKERT, A.; CLAASSEN, N.; FLESSA, H.; FROMMER, W.B.; GOLDBACH, H.; OLFS, H.-W.; ROMHELD, V.; SATTELMACHER, B.; SCHMIDHALTER, U.; SCHUBERT, S.; WIREN, N.V.; WITTENMAYER, L. (Ed.). Plant nutrition; food security and sustainability of agro-ecosystems through basic and applied research. Dordrecht: Kluwer Academic Publishers, 2001. p. 566-567. |
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Idioma: |
Inglês |
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Conteúdo: |
An experiment was conducted on 12 maize hybrids to study the processes involved in screening for P efficiency in nutrient solutions. Four P concentrations (0.3, 0.9, 2.7 and 5.4 mg/litre) were applied to the nutrient solution 20 days after transplanting. In related experiments, the effect of P stress on the morphological and physiological root characteristics were studied. The seed P level and the total dry matter and shoot dry matter were significantly and positively correlated at 0.3, 0.9 and 2.7 mg P/litre. The best treatment to evaluate changes in total root length under P stress was that of 6 days of P omission which significantly increased the root length of 3 of the P efficient hybrids. The omission of P in nutrient solution significantly increased the maximum rate of P absorption of 6 hybrids after 3 days of omission and in 5 genotypes after 6 days of omission. |
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Palavras-Chave: |
Maize; Mineral uptake. |
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Thesagro: |
Stress. |
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Thesaurus Nal: |
hybrids; hydroponics; nutrient solutions; nutrient uptake; phosphorus; roots; seeds; shoots; soilless culture. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02041naa a2200325 a 4500
001 1488600
005 2018-05-30
008 2001 bl uuuu u00u1 u #d
100 1 $aALVES, V. M. C.
245 $aMechanisms of phosphorus efficiency in maize.$h[electronic resource]
260 $c2001
520 $aAn experiment was conducted on 12 maize hybrids to study the processes involved in screening for P efficiency in nutrient solutions. Four P concentrations (0.3, 0.9, 2.7 and 5.4 mg/litre) were applied to the nutrient solution 20 days after transplanting. In related experiments, the effect of P stress on the morphological and physiological root characteristics were studied. The seed P level and the total dry matter and shoot dry matter were significantly and positively correlated at 0.3, 0.9 and 2.7 mg P/litre. The best treatment to evaluate changes in total root length under P stress was that of 6 days of P omission which significantly increased the root length of 3 of the P efficient hybrids. The omission of P in nutrient solution significantly increased the maximum rate of P absorption of 6 hybrids after 3 days of omission and in 5 genotypes after 6 days of omission.
650 $ahybrids
650 $ahydroponics
650 $anutrient solutions
650 $anutrient uptake
650 $aphosphorus
650 $aroots
650 $aseeds
650 $ashoots
650 $asoilless culture
650 $aStress
653 $aMaize
653 $aMineral uptake
700 1 $aPARENTONI, S. N.
700 1 $aVASCONCELLOS, C. A.
700 1 $aBAHIA FILHO, A. F. C.
700 1 $aPITTA, G. V. E.
700 1 $aSCHAFFERT, R. E.
773 $tIn: HORST, W.J.; SCHENK, M.K.; BURKERT, A.; CLAASSEN, N.; FLESSA, H.; FROMMER, W.B.; GOLDBACH, H.; OLFS, H.-W.; ROMHELD, V.; SATTELMACHER, B.; SCHMIDHALTER, U.; SCHUBERT, S.; WIREN, N.V.; WITTENMAYER, L. (Ed.). Plant nutrition; food security and sustainability of agro-ecosystems through basic and applied research. Dordrecht: Kluwer Academic Publishers, 2001. p. 566-567.
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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Biblioteca |
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Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
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URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente; Embrapa Pesca e Aquicultura. |
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Data corrente: |
05/03/2012 |
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Data da última atualização: |
22/03/2012 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
FRASCÁ-SCORVO, C. M. D.; LOSEKANN, M. E.; SCORVO FILHO, J. D.; QUEIROZ, J. F. de; LUIZ, A. J. B.; DONADELLI, A.; TURCO, P. H. N.; SAMPAIO, F. G. |
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Afiliação: |
CÉLIA M. D. FRASCÁ-SCORVO, APTA Regional do Leste Paulista; MARCOS ELISEU LOSEKANN, CNPMA; JOÃO DONATO SCORVO FILHO, APTA Regional do Leste Paulista; JULIO FERRAZ DE QUEIROZ, CNPMA; ALFREDO JOSE BARRETO LUIZ, CNPMA; ALCEU DONADELLI, APTA Regional do Leste Paulista; PATRÍCIA HELENA N. TURCO, APTA Regional do Leste Paulista; FERNANDA GARCIA SAMPAIO, CNPASA. |
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Título: |
Effects of feeding frequency on the productive performance of different tilapia strains. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
In: SIMPÓSIO INTERNACIONAL DE NUTRIÇÃO E SAÚDE DE PEIXES, 4., 2011, Botucatu. Anais... Botucatu: Universidade Estadual Paulista, 2011. |
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Idioma: |
Inglês |
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Conteúdo: |
This study was conducted during 251 days from April 13th to December 20th in 2010, and it aimed the evaluation of zootechnical performance of three tilapia strains submitted to two feeding frequencies, fed twice a day (2x) and fed once a day (1x). |
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Thesagro: |
Tilapia. |
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Thesaurus NAL: |
Feeding frequency; Tilapia (Cichlidae). |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/55053/1/2011RA011.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/55296/1/cnpasa1.pdf
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Marc: |
LEADER 01029nam a2200229 a 4500
001 1917481
005 2012-03-22
008 2011 bl uuuu u00u1 u #d
100 1 $aFRASCÁ-SCORVO, C. M. D.
245 $aEffects of feeding frequency on the productive performance of different tilapia strains.$h[electronic resource]
260 $aIn: SIMPÓSIO INTERNACIONAL DE NUTRIÇÃO E SAÚDE DE PEIXES, 4., 2011, Botucatu. Anais... Botucatu: Universidade Estadual Paulista$c2011
520 $aThis study was conducted during 251 days from April 13th to December 20th in 2010, and it aimed the evaluation of zootechnical performance of three tilapia strains submitted to two feeding frequencies, fed twice a day (2x) and fed once a day (1x).
650 $aFeeding frequency
650 $aTilapia (Cichlidae)
650 $aTilapia
700 1 $aLOSEKANN, M. E.
700 1 $aSCORVO FILHO, J. D.
700 1 $aQUEIROZ, J. F. de
700 1 $aLUIZ, A. J. B.
700 1 $aDONADELLI, A.
700 1 $aTURCO, P. H. N.
700 1 $aSAMPAIO, F. G.
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Embrapa Meio Ambiente (CNPMA) |
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