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Biblioteca(s): |
Embrapa Uva e Vinho. |
Data corrente: |
12/01/2017 |
Data da última atualização: |
06/05/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
BRUNETTO, G.; CERETTA, C. A.; MELO, G. W. B. de; GIROTTO, E.; FERREIRA, P. A. A.; LOURENZI, C. R.; COUTO, R. da R.; TASSINARIA, A.; HAMMERSCHMITT, R. K.; SILVA, L. O. S. da; LAZZARETTI, B. P.; KULMANN, M. S. de S.; CARRANCA, C. |
Afiliação: |
GUSTAVO BRUNETTO, Department of Soil Science of the Federal University of Santa Maria, C.P. 221, CEP 97105-900 Santa Maria, RS, Brazil; Carlos Alberto Ceretta, Department of Soil Science of the Federal University of Santa Maria, C.P. 221, CEP 97105-900 Santa Maria, RS, Brazil; GEORGE WELLINGTON BASTOS DE MELO, CNPUV; Eduardo Girotto, federal Institute of Education, Science and Technology of the Rio Grande do Sul, Rua Nelsi Ribas Fritsch 1111, Ibirubá, CEP 98200-000 RS, Brazil; Paulo Ademar Avelar Ferreira, Department of Soil Science of the Federal University of Santa Maria, C.P. 221, CEP 97105-900 Santa Maria, RS, Brazil; Cledimar Rogério Lourenzi, Department of Rural Engineering of the Federal University of Santa Catarina, Rodovia Admar Gonzaga 1346, Florianópolis, CEP 88034-000 SC, Brazil; Rafael da Rosa Couto, Department of Soil Science of the Federal University of Santa Maria, C.P. 221, CEP 97105-900 Santa Maria, RS, Brazil; Adriele Tassinaria, Department of Soil Science of the Federal University of Santa Maria, C.P. 221, CEP 97105-900 Santa Maria, RS, Brazil; Rodrigo Knevitz Hammerschmitt, Department of Soil Science of the Federal University of Santa Maria, C.P. 221, CEP 97105-900 Santa Maria, RS, Brazil; Lincon Oliveria Stefanello da Silva, Federal Institute of Education, Science and Technology of the Rio Grande do Sul, Rua Nelsi Ribas Fritsch 1111, Ibirubá, CEP 98200-000 RS, Brazil; Bruno Pedro Lazzaretti, Department of Soil Science of the Federal University of Santa Maria, C.P. 221, CEP 97105-900 Santa Maria, RS, Brazil; Matheus Severo de Souza Kulmann, Department of Soil Science of the Federal University of Santa Maria, C.P. 221, CEP 97105-900 Santa Maria, RS, Brazil; Corina Carranca, Instituto Nacional de Investigac¸ ão Agrária e Veterinária, Quinta do Marquês, Av. República, Nova Oeiras, Portugal. |
Título: |
Contribution of nitrogen from urea applied at different rates andtimes on grapevine nutrition. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Scientia Horticulturae, v. 207, p. 1?6, 2016. |
Idioma: |
Inglês |
Conteúdo: |
In Brazilian vineyards planted in sandy soils, nitrogen (N) should be applied at optimal rates and timing that correspond to greatest demand, thus minimizing N losses. The aim of this study was to evaluate the grapevine N distribution and recovery of urea-15N applied at budding and bloom. In 2009, in a vineyard (Vitis vinifera cv. Cabernet Sauvignon) planted in Santana do Livramento, south Brazil, grapevines were treated with 10 kg N ha?1 at budding +10 kg N ha?1 at full bloom (10B + 10F); 20 kg N ha?1 at budding +20 kg N ha?1 atfull bloom (20B + 20F); 20 kg N ha?1 at budding (20B); and 40 kg N ha?1 atfull bloom (40F). Budding of grapevines in 2009 and 2010 was atthe end of August and full bloom in November. In February 2010 and 2011, grapevine organs (leaves, berries, stem and roots) were collected, and in February 2011 soil samples were also collected in the profile. The wine-producing grapevines grown in the sandy soil took up more N derived from 20B treatment, compared with other N treatments, especially in the first crop season. The N derived from fertilizer applied at different rates and time was preferentially distributed in annual plant organs, but most N contained in the plant organs was derived from other sources than the fertilizer N. In the following season, 15N applied in the previous year was recovered preferentially in leaves and fruits, again in low amounts. Nitrogen derived from fertilizer applied at different rates and time in a sandy soil apparently contributes little to grapevine nutrition MenosIn Brazilian vineyards planted in sandy soils, nitrogen (N) should be applied at optimal rates and timing that correspond to greatest demand, thus minimizing N losses. The aim of this study was to evaluate the grapevine N distribution and recovery of urea-15N applied at budding and bloom. In 2009, in a vineyard (Vitis vinifera cv. Cabernet Sauvignon) planted in Santana do Livramento, south Brazil, grapevines were treated with 10 kg N ha?1 at budding +10 kg N ha?1 at full bloom (10B + 10F); 20 kg N ha?1 at budding +20 kg N ha?1 atfull bloom (20B + 20F); 20 kg N ha?1 at budding (20B); and 40 kg N ha?1 atfull bloom (40F). Budding of grapevines in 2009 and 2010 was atthe end of August and full bloom in November. In February 2010 and 2011, grapevine organs (leaves, berries, stem and roots) were collected, and in February 2011 soil samples were also collected in the profile. The wine-producing grapevines grown in the sandy soil took up more N derived from 20B treatment, compared with other N treatments, especially in the first crop season. The N derived from fertilizer applied at different rates and time was preferentially distributed in annual plant organs, but most N contained in the plant organs was derived from other sources than the fertilizer N. In the following season, 15N applied in the previous year was recovered preferentially in leaves and fruits, again in low amounts. Nitrogen derived from fertilizer applied at different rates and time in a sandy soil apparently contri... Mostrar Tudo |
Palavras-Chave: |
Derived from fertilizer; Plant N; Práticas agronômicas; Processo de rizosfera; Residual soil N; Solos vitícolas; Uptake. |
Thesagro: |
Cobre; Solo; Vitis Vinifera. |
Categoria do assunto: |
A Sistemas de Cultivo |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/153242/1/Contribution-of-nitrogen-from-urea-applied-at-different-rates-andtimes.pdf
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Marc: |
LEADER 02617naa a2200385 a 4500 001 2060601 005 2019-05-06 008 2016 bl uuuu u00u1 u #d 100 1 $aBRUNETTO, G. 245 $aContribution of nitrogen from urea applied at different rates andtimes on grapevine nutrition.$h[electronic resource] 260 $c2016 520 $aIn Brazilian vineyards planted in sandy soils, nitrogen (N) should be applied at optimal rates and timing that correspond to greatest demand, thus minimizing N losses. The aim of this study was to evaluate the grapevine N distribution and recovery of urea-15N applied at budding and bloom. In 2009, in a vineyard (Vitis vinifera cv. Cabernet Sauvignon) planted in Santana do Livramento, south Brazil, grapevines were treated with 10 kg N ha?1 at budding +10 kg N ha?1 at full bloom (10B + 10F); 20 kg N ha?1 at budding +20 kg N ha?1 atfull bloom (20B + 20F); 20 kg N ha?1 at budding (20B); and 40 kg N ha?1 atfull bloom (40F). Budding of grapevines in 2009 and 2010 was atthe end of August and full bloom in November. In February 2010 and 2011, grapevine organs (leaves, berries, stem and roots) were collected, and in February 2011 soil samples were also collected in the profile. The wine-producing grapevines grown in the sandy soil took up more N derived from 20B treatment, compared with other N treatments, especially in the first crop season. The N derived from fertilizer applied at different rates and time was preferentially distributed in annual plant organs, but most N contained in the plant organs was derived from other sources than the fertilizer N. In the following season, 15N applied in the previous year was recovered preferentially in leaves and fruits, again in low amounts. Nitrogen derived from fertilizer applied at different rates and time in a sandy soil apparently contributes little to grapevine nutrition 650 $aCobre 650 $aSolo 650 $aVitis Vinifera 653 $aDerived from fertilizer 653 $aPlant N 653 $aPráticas agronômicas 653 $aProcesso de rizosfera 653 $aResidual soil N 653 $aSolos vitícolas 653 $aUptake 700 1 $aCERETTA, C. A. 700 1 $aMELO, G. W. B. de 700 1 $aGIROTTO, E. 700 1 $aFERREIRA, P. A. A. 700 1 $aLOURENZI, C. R. 700 1 $aCOUTO, R. da R. 700 1 $aTASSINARIA, A. 700 1 $aHAMMERSCHMITT, R. K. 700 1 $aSILVA, L. O. S. da 700 1 $aLAZZARETTI, B. P. 700 1 $aKULMANN, M. S. de S. 700 1 $aCARRANCA, C. 773 $tScientia Horticulturae$gv. 207, p. 1?6, 2016.
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Embrapa Uva e Vinho (CNPUV) |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
11/11/2004 |
Data da última atualização: |
23/05/2018 |
Autoria: |
RAPOSO, F. V.; RAMALHO, M. A. P.; RIBEIRO, P. H. E. |
Afiliação: |
Embrapa Milho e Sorgo. |
Título: |
Alterations in heterosis of maize populations derived from single-cross hybrids after reciprocal recurrent selection. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, Londrina, v. 4, n. 1, p. 74-80, Mar. 2004. |
Idioma: |
Inglês |
Conteúdo: |
One hundred and sixty-nine interpopulational half sib progenies were obtained from maize populations derived from the commercial single-cross hybrids AG9012 (1) and C333 (2) to investigate the efficiency of reciprocal recurrent selection (RRS). Fifteen progenies with highest hulled ear yield were obtained. Two recombination trials were sown with remnant S1 seeds, and the improved CI1 and CI2 populations were simultaneously obtained with their hybrid combination. Yield trials were set up in three sites to assess the efficiency of the RRS. The F1 from single-cross hybrid AG9012 and C333, the double-cross (F1(1)x F1(2) hybrids, the C0 1 and C02 populations, the interpopulational hybrid (C01 x C02), the CI1 and CI2 improved populations, and their hybrid (CI1 x CI2) were compared. A 5.7% progress was obtained in one cycle of RRS for ear yield, mainly attributed to increased heterosis. The yield of the improved hybrid was superior to the F1 from single-cross hybrids AG9012 and C333, demonstrating the potential of the referred hybrid combination. Para verificar a eficiência da seleção recorrente recíproca (SRR) em populações originárias dos híbridos simples comerciais AG9012 (1) e C333 (2) foram obtidas, inicialmente, 169 progênies de meios-irmãos interpopulacionais. As 15 melhores progênies em produção de espigas despalhadas foram identificadas. Utilizando-se sementes S1 remanescentes, semearam-se dois campos de recombinação, sendo simultaneamente obtidas as populações melhoradas C1 1 e C1 2 e a combinação híbrida entre elas. Os experimentos para avaliar a eficiência da SRR foram instalados em três locais. Foram comparados o F1 dos híbridos simples AG9012 e C333, o híbrido duplo F1(1) x F1 (2), entre eles as populações CD1 e CD2, o híbrido interpopulacinal (CD1 e CD2), as populações melhoradas C1 1 e C1 2 e a sua combinação híbrida (C1 1 e C 1 2). O progresso com um ciclo de SRR foi de 5,7% para a produção de espigas e deveu-se , principalmente, ao incremento na heterose. O desempenho do híbrido melhorado superou a geração F1 dos híbridos simples AG9012 e C333, evidenciando o potencial da referida combinação híbrida. MenosOne hundred and sixty-nine interpopulational half sib progenies were obtained from maize populations derived from the commercial single-cross hybrids AG9012 (1) and C333 (2) to investigate the efficiency of reciprocal recurrent selection (RRS). Fifteen progenies with highest hulled ear yield were obtained. Two recombination trials were sown with remnant S1 seeds, and the improved CI1 and CI2 populations were simultaneously obtained with their hybrid combination. Yield trials were set up in three sites to assess the efficiency of the RRS. The F1 from single-cross hybrid AG9012 and C333, the double-cross (F1(1)x F1(2) hybrids, the C0 1 and C02 populations, the interpopulational hybrid (C01 x C02), the CI1 and CI2 improved populations, and their hybrid (CI1 x CI2) were compared. A 5.7% progress was obtained in one cycle of RRS for ear yield, mainly attributed to increased heterosis. The yield of the improved hybrid was superior to the F1 from single-cross hybrids AG9012 and C333, demonstrating the potential of the referred hybrid combination. Para verificar a eficiência da seleção recorrente recíproca (SRR) em populações originárias dos híbridos simples comerciais AG9012 (1) e C333 (2) foram obtidas, inicialmente, 169 progênies de meios-irmãos interpopulacionais. As 15 melhores progênies em produção de espigas despalhadas foram identificadas. Utilizando-se sementes S1 remanescentes, semearam-se dois campos de recombinação, sendo simultaneamente obtidas as populações melhoradas ... Mostrar Tudo |
Palavras-Chave: |
Genética quantitativa; Heterose; Seleção recorrente recíproca. |
Thesagro: |
Milho. |
Categoria do assunto: |
-- S Ciências Biológicas |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/66415/1/Alterations-heterosis.pdf
|
Marc: |
LEADER 02815naa a2200193 a 4500 001 1487790 005 2018-05-23 008 2004 bl uuuu u00u1 u #d 100 1 $aRAPOSO, F. V. 245 $aAlterations in heterosis of maize populations derived from single-cross hybrids after reciprocal recurrent selection. 260 $c2004 520 $aOne hundred and sixty-nine interpopulational half sib progenies were obtained from maize populations derived from the commercial single-cross hybrids AG9012 (1) and C333 (2) to investigate the efficiency of reciprocal recurrent selection (RRS). Fifteen progenies with highest hulled ear yield were obtained. Two recombination trials were sown with remnant S1 seeds, and the improved CI1 and CI2 populations were simultaneously obtained with their hybrid combination. Yield trials were set up in three sites to assess the efficiency of the RRS. The F1 from single-cross hybrid AG9012 and C333, the double-cross (F1(1)x F1(2) hybrids, the C0 1 and C02 populations, the interpopulational hybrid (C01 x C02), the CI1 and CI2 improved populations, and their hybrid (CI1 x CI2) were compared. A 5.7% progress was obtained in one cycle of RRS for ear yield, mainly attributed to increased heterosis. The yield of the improved hybrid was superior to the F1 from single-cross hybrids AG9012 and C333, demonstrating the potential of the referred hybrid combination. Para verificar a eficiência da seleção recorrente recíproca (SRR) em populações originárias dos híbridos simples comerciais AG9012 (1) e C333 (2) foram obtidas, inicialmente, 169 progênies de meios-irmãos interpopulacionais. As 15 melhores progênies em produção de espigas despalhadas foram identificadas. Utilizando-se sementes S1 remanescentes, semearam-se dois campos de recombinação, sendo simultaneamente obtidas as populações melhoradas C1 1 e C1 2 e a combinação híbrida entre elas. Os experimentos para avaliar a eficiência da SRR foram instalados em três locais. Foram comparados o F1 dos híbridos simples AG9012 e C333, o híbrido duplo F1(1) x F1 (2), entre eles as populações CD1 e CD2, o híbrido interpopulacinal (CD1 e CD2), as populações melhoradas C1 1 e C1 2 e a sua combinação híbrida (C1 1 e C 1 2). O progresso com um ciclo de SRR foi de 5,7% para a produção de espigas e deveu-se , principalmente, ao incremento na heterose. O desempenho do híbrido melhorado superou a geração F1 dos híbridos simples AG9012 e C333, evidenciando o potencial da referida combinação híbrida. 650 $aMilho 653 $aGenética quantitativa 653 $aHeterose 653 $aSeleção recorrente recíproca 700 1 $aRAMALHO, M. A. P. 700 1 $aRIBEIRO, P. H. E. 773 $tCrop Breeding and Applied Biotechnology, Londrina$gv. 4, n. 1, p. 74-80, Mar. 2004.
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