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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
31/05/2011 |
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Data da última atualização: |
08/07/2016 |
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Autoria: |
PAZ, L. G. da; LUPEHINSKI, E. W. L.; SANTOS, M. V. F. dos; SILVA, J. A. A. da. |
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Título: |
Efeito do nitrogênio e estirpes de Bradyrhizobium na Fixação do nitrogênio e desenvolvimento do guandu (Cajanus cajan (L.) Millsp) ev. fava larga. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Revista Científica de Produção Animal, v. 2, n. 1, p. 96-106, 2000. |
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Idioma: |
Português |
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Conteúdo: |
0 presente trabalho foi desenvolvido na casa de vegetação do DZ/UFRPE e objetivou avaliar o desenvolvimento e fixação crescentes de N nitrico e amoniacal (0, 14, 28 e 42 ppm) e inoculação com duas estirpes de Bradyrhizobium spp. O delineamento experimental foi inteiramente casualizado, com 3 repetiçãos. A nodulação foi eficiente com ambas as estirpes, como tambem para 0 tratamento niio-inoculado, confirmando a presença de estirpes nativas do grupo "cowpea" em solos tropicais. A produção de matéria seca elevou-se com a presença do N, alcançando o valor médio de 15,91 g/vaso, e produção máxima de 18,89 e 21,95 g/vaso com aplicação de 42 ppm de N amoniacal e nítrico, respectivamente. Confirmando relatos da literatura, a presença do N como dose de arranque foi benéfica e estimulou todos os parâmetros relacionados com a nodula9iio, inclusive a atividade da nitrogenase. Por outro lado, nao ocorreu inibção da nodulação em função da presença do N.
Abstract - The present research was aimed to evaluate some parameters of "Guandu" (Cajanus cajan (L.) Millsp) cv. Fava Larga cultivated in a green house located at the DZj UFRPE, using pots with soil from the Pernambuco's Forest Zone, submited to incread levels of nitric and amoniacal N (0, 14,28 and 42 ppm), and inoculated with two Bradyrhizobium spp. strains. The pots were allocated to a completely randomized design, with 3 repetitions. The nodulation was efficient with both strain, as well as for the non inoculated treatment, esteblishing the presence of native strains from the "cowpea" groups in tropical soils. The dry matter production increase with the N presence, reaching the maximal production of 18.,89 and 21.95 gjpot with the application of 42 ppm of amoniacal and nitric nitrogen, respectively. The presence of N was benefical as a "starter" dose and stimulated all the nodulation related parameters, including the nitrogenase activity. By the other side, the nodulation inhibition did not occur due to the combined N presence. Menos0 presente trabalho foi desenvolvido na casa de vegetação do DZ/UFRPE e objetivou avaliar o desenvolvimento e fixação crescentes de N nitrico e amoniacal (0, 14, 28 e 42 ppm) e inoculação com duas estirpes de Bradyrhizobium spp. O delineamento experimental foi inteiramente casualizado, com 3 repetiçãos. A nodulação foi eficiente com ambas as estirpes, como tambem para 0 tratamento niio-inoculado, confirmando a presença de estirpes nativas do grupo "cowpea" em solos tropicais. A produção de matéria seca elevou-se com a presença do N, alcançando o valor médio de 15,91 g/vaso, e produção máxima de 18,89 e 21,95 g/vaso com aplicação de 42 ppm de N amoniacal e nítrico, respectivamente. Confirmando relatos da literatura, a presença do N como dose de arranque foi benéfica e estimulou todos os parâmetros relacionados com a nodula9iio, inclusive a atividade da nitrogenase. Por outro lado, nao ocorreu inibção da nodulação em função da presença do N.
Abstract - The present research was aimed to evaluate some parameters of "Guandu" (Cajanus cajan (L.) Millsp) cv. Fava Larga cultivated in a green house located at the DZj UFRPE, using pots with soil from the Pernambuco's Forest Zone, submited to incread levels of nitric and amoniacal N (0, 14,28 and 42 ppm), and inoculated with two Bradyrhizobium spp. strains. The pots were allocated to a completely randomized design, with 3 repetitions. The nodulation was efficient with both strain, as well as for the non inoculated treatment, esteblish... Mostrar Tudo |
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Thesagro: |
Cajanus cajan; Fixação de Nitrogênio; Guandu; Leguminosa; Nodulação. |
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Thesaurus Nal: |
Bradyrhizobium. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02769naa a2200229 a 4500
001 1890142
005 2016-07-08
008 2000 bl uuuu u00u1 u #d
100 1 $aPAZ, L. G. da
245 $aEfeito do nitrogênio e estirpes de Bradyrhizobium na Fixação do nitrogênio e desenvolvimento do guandu (Cajanus cajan (L.) Millsp) ev. fava larga.
260 $c2000
520 $a0 presente trabalho foi desenvolvido na casa de vegetação do DZ/UFRPE e objetivou avaliar o desenvolvimento e fixação crescentes de N nitrico e amoniacal (0, 14, 28 e 42 ppm) e inoculação com duas estirpes de Bradyrhizobium spp. O delineamento experimental foi inteiramente casualizado, com 3 repetiçãos. A nodulação foi eficiente com ambas as estirpes, como tambem para 0 tratamento niio-inoculado, confirmando a presença de estirpes nativas do grupo "cowpea" em solos tropicais. A produção de matéria seca elevou-se com a presença do N, alcançando o valor médio de 15,91 g/vaso, e produção máxima de 18,89 e 21,95 g/vaso com aplicação de 42 ppm de N amoniacal e nítrico, respectivamente. Confirmando relatos da literatura, a presença do N como dose de arranque foi benéfica e estimulou todos os parâmetros relacionados com a nodula9iio, inclusive a atividade da nitrogenase. Por outro lado, nao ocorreu inibção da nodulação em função da presença do N. Abstract - The present research was aimed to evaluate some parameters of "Guandu" (Cajanus cajan (L.) Millsp) cv. Fava Larga cultivated in a green house located at the DZj UFRPE, using pots with soil from the Pernambuco's Forest Zone, submited to incread levels of nitric and amoniacal N (0, 14,28 and 42 ppm), and inoculated with two Bradyrhizobium spp. strains. The pots were allocated to a completely randomized design, with 3 repetitions. The nodulation was efficient with both strain, as well as for the non inoculated treatment, esteblishing the presence of native strains from the "cowpea" groups in tropical soils. The dry matter production increase with the N presence, reaching the maximal production of 18.,89 and 21.95 gjpot with the application of 42 ppm of amoniacal and nitric nitrogen, respectively. The presence of N was benefical as a "starter" dose and stimulated all the nodulation related parameters, including the nitrogenase activity. By the other side, the nodulation inhibition did not occur due to the combined N presence.
650 $aBradyrhizobium
650 $aCajanus cajan
650 $aFixação de Nitrogênio
650 $aGuandu
650 $aLeguminosa
650 $aNodulação
700 1 $aLUPEHINSKI, E. W. L.
700 1 $aSANTOS, M. V. F. dos
700 1 $aSILVA, J. A. A. da
773 $tRevista Científica de Produção Animal$gv. 2, n. 1, p. 96-106, 2000.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agroindústria Tropical. Para informações adicionais entre em contato com cnpat.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agroindústria Tropical. |
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Data corrente: |
20/09/2011 |
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Data da última atualização: |
16/10/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 2 |
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Autoria: |
CASTRO, A. C. R. de; ARAGAO, F. A. S. de; LOGES, V.; COSTA, A. S.; WILLADINO, L. G.; CASTRO, M. F. A. |
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Afiliação: |
ANA CECILIA RIBEIRO DE CASTRO, CNPAT; FERNANDO ANTONIO SOUZA DE ARAGAO, CNPAT; UFRPE; UFRPE; UFRPE; UFRPE. |
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Título: |
Macronutrients contents in two development phases of Heliconia psittacorum × H. spathocircinata ?Golden Torch?. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Acta Horticulturae, v. 886, p. 283-286, 2011. |
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Idioma: |
Inglês |
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Conteúdo: |
Nutritional deficiency affects heliconia cut flowers production and the success of its commercialization. There is a great variation in heliconia management in farm production, mainly concerning fertilization. The use of different NPK formulation is very common without considering development phase, whether vegetative or reproductive, species, seasonality or highest flowering period. The aim of this paper was to evaluate N, P, K content in two development phases at three different plant parts. The rhizome, a mix of leaves and the third leaf from Heliconia psittacorum × H. spathocircinata ?Golden Torch? plants were used at 90 days after planting (DAP), representing the vegetative phase, and at 360 DAP representing the reproductive phase. The nutrients contents did differ statistically between the phases. The greatest nitrogen amount was observed at the reproductive phase. On the other hand, P and K content was highest at the vegetative phase. The highest N content was found in the mix of leaves and in the third leaf. The superior N content at the mix of leaves may indicate that other leaves may have a N content even higher than the third leaf. The rhizome showed a higher a higher P and K content than leaves, without any distinction between the mix of leaves or the third leaf. There was an interaction between the development phase and plant parts for all the studied macronutrients. For the elements P and K the same result for each factor separately can be observed at the interaction of these factors, where rhizome showed the highest contents at the vegetative phase which characterizes a simple interaction. These results will be useful to other research on nutrition of heliconia and complementary studies should be conducted with all macronutrients and plant parts. MenosNutritional deficiency affects heliconia cut flowers production and the success of its commercialization. There is a great variation in heliconia management in farm production, mainly concerning fertilization. The use of different NPK formulation is very common without considering development phase, whether vegetative or reproductive, species, seasonality or highest flowering period. The aim of this paper was to evaluate N, P, K content in two development phases at three different plant parts. The rhizome, a mix of leaves and the third leaf from Heliconia psittacorum × H. spathocircinata ?Golden Torch? plants were used at 90 days after planting (DAP), representing the vegetative phase, and at 360 DAP representing the reproductive phase. The nutrients contents did differ statistically between the phases. The greatest nitrogen amount was observed at the reproductive phase. On the other hand, P and K content was highest at the vegetative phase. The highest N content was found in the mix of leaves and in the third leaf. The superior N content at the mix of leaves may indicate that other leaves may have a N content even higher than the third leaf. The rhizome showed a higher a higher P and K content than leaves, without any distinction between the mix of leaves or the third leaf. There was an interaction between the development phase and plant parts for all the studied macronutrients. For the elements P and K the same result for each factor separately can be observed at the inter... Mostrar Tudo |
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Palavras-Chave: |
Tropical floriculture. |
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Thesaurus NAL: |
nitrogen; phosphorus; plant nutrition; potassium. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02484naa a2200241 a 4500
001 1900999
005 2018-10-16
008 2011 bl uuuu u00u1 u #d
100 1 $aCASTRO, A. C. R. de
245 $aMacronutrients contents in two development phases of Heliconia psittacorum × H. spathocircinata ?Golden Torch?.
260 $c2011
520 $aNutritional deficiency affects heliconia cut flowers production and the success of its commercialization. There is a great variation in heliconia management in farm production, mainly concerning fertilization. The use of different NPK formulation is very common without considering development phase, whether vegetative or reproductive, species, seasonality or highest flowering period. The aim of this paper was to evaluate N, P, K content in two development phases at three different plant parts. The rhizome, a mix of leaves and the third leaf from Heliconia psittacorum × H. spathocircinata ?Golden Torch? plants were used at 90 days after planting (DAP), representing the vegetative phase, and at 360 DAP representing the reproductive phase. The nutrients contents did differ statistically between the phases. The greatest nitrogen amount was observed at the reproductive phase. On the other hand, P and K content was highest at the vegetative phase. The highest N content was found in the mix of leaves and in the third leaf. The superior N content at the mix of leaves may indicate that other leaves may have a N content even higher than the third leaf. The rhizome showed a higher a higher P and K content than leaves, without any distinction between the mix of leaves or the third leaf. There was an interaction between the development phase and plant parts for all the studied macronutrients. For the elements P and K the same result for each factor separately can be observed at the interaction of these factors, where rhizome showed the highest contents at the vegetative phase which characterizes a simple interaction. These results will be useful to other research on nutrition of heliconia and complementary studies should be conducted with all macronutrients and plant parts.
650 $anitrogen
650 $aphosphorus
650 $aplant nutrition
650 $apotassium
653 $aTropical floriculture
700 1 $aARAGAO, F. A. S. de
700 1 $aLOGES, V.
700 1 $aCOSTA, A. S.
700 1 $aWILLADINO, L. G.
700 1 $aCASTRO, M. F. A.
773 $tActa Horticulturae$gv. 886, p. 283-286, 2011.
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Embrapa Agroindústria Tropical (CNPAT) |
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