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Registro Completo |
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Biblioteca(s): |
Embrapa Instrumentação; Embrapa Semiárido. |
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Data corrente: |
06/09/2022 |
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Data da última atualização: |
27/03/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SILVA, A. O. da; SILVA, D. J.; BASSOI, L. H.; CHAVES, A. R. de M. |
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Afiliação: |
ALEXSANDRO OLIVEIRA DA SILVA, UFCE; DAVI JOSE SILVA, CPATSA; LUIS HENRIQUE BASSOI, CNPDIA; AGNALDO RODRIGUES DE MELO CHAVES, CPATSA. |
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Título: |
NO3-, K+, and chlorophyll index in fertigated grapevines in the semi-arid region of Brazil. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Scientia Agrícola, v. 80, e20210122, 2023. |
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ISSN: |
1678-992X |
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DOI: |
http://doi.org/10.1590/1678-992X-2021-0122 |
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Idioma: |
Inglês |
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Conteúdo: |
Evaluating the effects of N and K supply on grapevines (Vitis vinifera L.) and the techniques for nutritional diagnosis is of great importance for fertigation management of this crop. This study evaluated the effects of N and K fertigation on the soluble concentrations of NO3 ? and K+ in the petiole sap and on the leaf chlorophyll index in drip irrigated ?Syrah? grapevine (from 17 June 2013 to 25 Nov 2014). The treatments consisted of five levels of N (0, 15, 30, 60 and 120 kg ha?1) and K2O (0, 15, 30, 60 and 120 kg ha?1), combined in an incomplete 52 factorial scheme in 13 combinations and arranged in randomized blocks with four replications. We determined NO3 ? and K+ concentrations in petiole sap, leaf chlorophyll index, grapevine cluster mass and number per plant, mean grapevine cluster mass, and phenolic composition. High NO3 ? concentrations contributed positively to grapevine yield; however, increased K+ concentrations caused a negative response of sap. For 120 kg N ha?1 rate, NO3 ? in the sap and chlorophyll index showed higher values at the flowering stage, while high values for K+ were observed during the grape-ripening stage. |
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Palavras-Chave: |
Vale do São Francisco. |
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Thesagro: |
Fertirrigação; Irrigação; Pecíolo; Uva; Vitis Vinifera. |
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Thesaurus Nal: |
Fertigation; Grapes; Petioles. |
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Categoria do assunto: |
A Sistemas de Cultivo |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1146163/1/NO-3-K-and-chlorophyll-index-in-fertigated-grapevines-in-the-semi-arid-region-of-Brazil-2023.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1146766/1/P-NO-3-K-and-chlorophyll-index-in-fertigated-grapevines-in-the-semi-arid-region-of-Brazil.pdf
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Marc: |
LEADER 01973naa a2200289 a 4500
001 2146163
005 2023-03-27
008 2023 bl uuuu u00u1 u #d
022 $a1678-992X
024 7 $ahttp://doi.org/10.1590/1678-992X-2021-0122$2DOI
100 1 $aSILVA, A. O. da
245 $aNO3-, K+, and chlorophyll index in fertigated grapevines in the semi-arid region of Brazil.$h[electronic resource]
260 $c2023
520 $aEvaluating the effects of N and K supply on grapevines (Vitis vinifera L.) and the techniques for nutritional diagnosis is of great importance for fertigation management of this crop. This study evaluated the effects of N and K fertigation on the soluble concentrations of NO3 ? and K+ in the petiole sap and on the leaf chlorophyll index in drip irrigated ?Syrah? grapevine (from 17 June 2013 to 25 Nov 2014). The treatments consisted of five levels of N (0, 15, 30, 60 and 120 kg ha?1) and K2O (0, 15, 30, 60 and 120 kg ha?1), combined in an incomplete 52 factorial scheme in 13 combinations and arranged in randomized blocks with four replications. We determined NO3 ? and K+ concentrations in petiole sap, leaf chlorophyll index, grapevine cluster mass and number per plant, mean grapevine cluster mass, and phenolic composition. High NO3 ? concentrations contributed positively to grapevine yield; however, increased K+ concentrations caused a negative response of sap. For 120 kg N ha?1 rate, NO3 ? in the sap and chlorophyll index showed higher values at the flowering stage, while high values for K+ were observed during the grape-ripening stage.
650 $aFertigation
650 $aGrapes
650 $aPetioles
650 $aFertirrigação
650 $aIrrigação
650 $aPecíolo
650 $aUva
650 $aVitis Vinifera
653 $aVale do São Francisco
700 1 $aSILVA, D. J.
700 1 $aBASSOI, L. H.
700 1 $aCHAVES, A. R. de M.
773 $tScientia Agrícola$gv. 80, e20210122, 2023.
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Registro original: |
Embrapa Semiárido (CPATSA) |
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| Registros recuperados : 5.617 | |
| 107. |  | SILVA, A. F. da. Métodos culturais de sorgo. In: In: RECOMENDAÇÕES técnicas para o cultivo do sorgo. 3. ed. Sete Lagoas: EMBRAPA-CNPMS, 1988. p. 37-39. (EMBRAPA-CNPMS. Circular técnica,1).| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 109. | | SILVA, A. F. da. Método culturais. In: RECOMENDAÇÕES para o cultivo do sorgo. 2. ed. rev. atual. Sete Lagoas: EMBRAPA-CNPMS, 1982. p. 41-43. (EMBRAPA-CNPMS. Circular técnica, 1).| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 110. | | SILVA, A. M. da. Nanotecnologia e agronegócio. In: CONGRESSO DE AGRIBUSINES, 8., 2007. A Supremacia do Consumidor. Anais... [Rio de Janeiro]: Sociedade Nacional de Agricultura, 2007. Painel - palestra. p. 69-79| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Instrumentação. |
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| Registros recuperados : 5.617 | |
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