| Registro completo |
| Provedor de dados: |
PAB
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| País: |
Brazil
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| Título: |
Phosphorus forms in leaves and their relationships with must composition and yield in grapevines
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| Autores: |
Piccin,Rogério
Couto,Rafael da Rosa
Bellinaso,Roque Júnior Sartori
Gatiboni,Luciano Colpo
Conti,Lessandro De
Rodrigues,Lucas Antonio Telles
Michelon,Luiza Somavilla
Kulmann,Matheus Severo de Souza
Brunetto,Gustavo
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| Data: |
2017-05-01
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| Ano: |
2017
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| Palavras-chave: |
Vitis vinifera
Chemical fractionation of P in the tissue
Grape production
Must analysis
Phosphorus fertilization.
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| Resumo: |
Abstract: The objective of this work was to evaluate phosphorus forms in grape leaves and their relationships with must composition and yield in grapevines grown in a Typic Hapludalf with different available P contents. Two experiments were carried out with Vitis viniferacultivars, one with 'Tannat' and the other with 'Cabernet Franc' grapes. Experiment 1 consisted of two vineyards of 'Tannat', with the following P content in the soil: V1, 11.8 mg kg-1 P; and V2, 34.6 mg kg-1 P. Experiment 2 consisted of two vineyards of 'Cabernet Franc', with the following P content in the soil: V1, 16.0 mg kg-1 P; and V2, 37.0 mg kg-1 P. Leaves were collected at flowering (FL) and veraison (V), and, after their preparation, P forms were evaluated. Yield and must composition were assessed. The highest yield was observed in V2 of experiment 1 and in V2 of experiment 2. Total P content and P forms in leaves at FL and V have no relationship with yield parameters; however, total P content in leaves has a relationship with anthocyanin content in the must of 'Tannat' grapevines. Therefore, P fractionation in leaves predicts neither grapevine yield nor must composition.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2017000500319
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| Editor: |
Embrapa Secretaria de Pesquisa e Desenvolvimento
Pesquisa Agropecuária Brasileira
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| Relação: |
10.1590/s0100-204x2017000500005
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| Formato: |
text/html
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| Fonte: |
Pesquisa Agropecuária Brasileira v.52 n.5 2017
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| Direitos: |
info:eu-repo/semantics/openAccess
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