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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
07/02/2008 |
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Data da última atualização: |
14/02/2008 |
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Autoria: |
DANTAS, B. F.; PEREIRA, M. S.; RIBEIRO, L. de S.; MAIA, J. L. T.; SILVA, D. J.; DUENHAS, L. H.; LIMA, M. A. C. de; BASSOI, L. H. |
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Título: |
Metabolic responses of guava trees irrigated withdifferent N and K levels in São Francisco Valley. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Revista Brasileira de Fruticultura, Jaboticabal, v. 29, n. 2, p. 323-328, ago. 2007. |
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ISSN: |
0100-2945 |
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Idioma: |
Inglês |
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Conteúdo: |
The guava (Psidium guajava L.) cv. Paluma has been cultivated in São Francisco Valley, Northeastern of Brazil, for in natura consumption and processing purposes. In spite of its importance, there are few scientific knowledge regarding guava physiology, nutrition, irrigation and fertigation. The objective of this work was to evaluate the effect of weather conditions and different concentrations of N and K applied by fertigation in foliar contents of reducing sugars, total soluble sugars, starch, sucrose, amino acids, and proteins. The field experiment was carried out at Bebedouro Experimental Field and the biochemical evaluations at the Laboratory of Seed and Plant Physiology, both located at Embrapa Semi-Árido, Petrolina-PE. The doses of 200 g N and 100 g K2O; 400 g N and 200 g K2O; 600 g N and 300 g K2O; and 800 g N and 400 g K2O per plant were applied in an experiment field. The experimental design was totally randomized blocks, with four treatments and five blocks. The weather conditions influenced the plant photosynthesis, which affects the plants metabolism. Guava presented specific responses to N and K fertigation for each parameter evaluated. The weather conditions during the evaluation period influenced guava responses to N and K fertigation. |
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Palavras-Chave: |
Carbohydrate; Primary metabolism. |
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Thesagro: |
Psidium Guajava. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02021naa a2200253 a 4500
001 1654544
005 2008-02-14
008 2007 bl uuuu u00u1 u #d
022 $a0100-2945
100 1 $aDANTAS, B. F.
245 $aMetabolic responses of guava trees irrigated withdifferent N and K levels in São Francisco Valley.
260 $c2007
520 $aThe guava (Psidium guajava L.) cv. Paluma has been cultivated in São Francisco Valley, Northeastern of Brazil, for in natura consumption and processing purposes. In spite of its importance, there are few scientific knowledge regarding guava physiology, nutrition, irrigation and fertigation. The objective of this work was to evaluate the effect of weather conditions and different concentrations of N and K applied by fertigation in foliar contents of reducing sugars, total soluble sugars, starch, sucrose, amino acids, and proteins. The field experiment was carried out at Bebedouro Experimental Field and the biochemical evaluations at the Laboratory of Seed and Plant Physiology, both located at Embrapa Semi-Árido, Petrolina-PE. The doses of 200 g N and 100 g K2O; 400 g N and 200 g K2O; 600 g N and 300 g K2O; and 800 g N and 400 g K2O per plant were applied in an experiment field. The experimental design was totally randomized blocks, with four treatments and five blocks. The weather conditions influenced the plant photosynthesis, which affects the plants metabolism. Guava presented specific responses to N and K fertigation for each parameter evaluated. The weather conditions during the evaluation period influenced guava responses to N and K fertigation.
650 $aPsidium Guajava
653 $aCarbohydrate
653 $aPrimary metabolism
700 1 $aPEREIRA, M. S.
700 1 $aRIBEIRO, L. de S.
700 1 $aMAIA, J. L. T.
700 1 $aSILVA, D. J.
700 1 $aDUENHAS, L. H.
700 1 $aLIMA, M. A. C. de
700 1 $aBASSOI, L. H.
773 $tRevista Brasileira de Fruticultura, Jaboticabal$gv. 29, n. 2, p. 323-328, ago. 2007.
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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| Registros recuperados : 1 | |
| 1. |  | LIMA, M. F.; OLIVEIRA, V. R.; SANTOS, D. I. S. Avaliação de genótipos de melão (Cucumis melo L.) aos potyvirus Papaya ringspot vírus - type watermelon (PRSV-W) e Watermelon mosaic virus em condições controladas. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 48.; CONGRESSO BRASILEIRO DE PATOLOGIA PÓS COLHEITA, 2., 2015, São Pedro, SP. Fitopatologia de precisão: fronteiras da ciência: anais. São Pedro, SP: Sociedade Brasileira de Fitopatologia, 2015. Resumo 423-2.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Hortaliças. |
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| Registros recuperados : 1 | |
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