| Registro completo |
| Provedor de dados: |
R. Bras. Zootec.
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| País: |
Brazil
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| Título: |
Chlorophyll and carbohydrates in Arachis pintoi plants under influence of water regimes and nitrogen fertilization
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| Autores: |
Sales,Rita Manuele Porto
Fries,Daniela Deitos
Pires,Aureliano José Vieira
Bonomo,Paulo
Santos,Iasminy Silva
Campos,Cleide Nascimento
Brito,Paulo Henrique Rodrigues
Brito,Mateus Santos
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| Data: |
2013-06-01
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| Ano: |
2013
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| Palavras-chave: |
Development
Field capacity
Legume
Starch
Sugars
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| Resumo: |
In this experiment the chlorophyll and carbohydrate contents of Arachis pintoi were evaluated to verify if the presence of nitrogen in the soil could contribute to the effectiveness of the establishment of this legume. The design was completely randomized, in a 4 × 4 factorial arrangement, with four N rates (0, 40, 80 and 120 kg ha-1) and four irrigation levels (25, 50, 75 and 100% of field capacity), with four replications. The biochemical evaluations of chlorophylls a and b and total chlorophyll and total soluble sugars, sucrose and starch were performed. The highest contents of chlorophyll a and b and total chlorophyll in leaves were found at the dose of 120 kg ha-1. The water regime of 25% of field capacity was responsible for the lowest content of reducing sugars and total soluble sugars in leaves, stolons and roots. In the roots, the sucrose contents were higher in these conditions, which can be associated with a slight tolerance of the plant to water stress. The water deficiency was responsible for the decrease of reducing sugars and total N in the whole plant and positively influenced the levels of chlorophyll and sugars in the stolon, promoting growth, especially of shoots, at the beginning of establishment.
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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=S1516-35982013000600002
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| Editor: |
Sociedade Brasileira de Zootecnia
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| Relação: |
10.1590/S1516-35982013000600002
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| Formato: |
text/html
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| Fonte: |
Revista Brasileira de Zootecnia v.42 n.6 2013
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| Direitos: |
info:eu-repo/semantics/openAccess
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