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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
03/08/2004 |
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Data da última atualização: |
07/04/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FAGERIA, N. K.; COSTA, J. G. C. da. |
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Afiliação: |
NAND KUMAR FAGERIA, CNPAF; JOAQUIM GERALDO CAPRIO DA COSTA, CNPAF. |
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Título: |
Evaluation of common bean genotypes for phosphorus use efficiency. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Journal of Plant Nutrition, v. 23, n. 8, p. 1145-1152, 2000. |
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DOI: |
10.1080/01904160009382088 |
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Idioma: |
Inglês |
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Conteúdo: |
A greenhouse experiment was conducted to evaluate phosphorus (P)-use efficiency of 10 promising genotypes of common bean (Phaseoius vulgaris L.) with short and normal growth duration. The genotypes were grown on an Oxisol at 25 mg P kg-1 (low P) and 150 mg P kg-1 (high P) of soil. Shoot and root dry weight, root length, P concentration in the shoot, and P uptake in the shoot were significantly (P<0.01) affected by soil P concentration and genotype. However, P level did not effect root length and genotype had no effect on root dry weight. On the basis of P-use efficiency (mg dry weight of shoot/mg P accumulated in the shoot) genotypes were classified as efficient and responsive (ER), efficient and nonresponsive (ENR), nonefficient and responsive (NER), and nonefficient and nonresponsive (NENR). From a practical point of view, genotypes which produce a lot of dry matter in a soil with a low P level, and respond well to added P are the most desirable because they are able to express their high yield potential in a wide range of P environments. Novo Jalo and Pérola genotypes fall into this group. Genotypes Irai, Jalo Precoce and L93300166 fall into the ENR group. Genotypes Carioca, Rosinha G-2, and Xamengo were classified NER, whereas, genotypes L93300176 and Diamante Negro were classified as NENR. There were no differences between short and normal growth duration genotypes in P-use efficiency. |
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Thesagro: |
Feijão; Fósforo; Phaseolus Vulgaris. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 01956naa a2200181 a 4500
001 1212455
005 2022-04-07
008 2000 bl uuuu u00u1 u #d
024 7 $a10.1080/01904160009382088$2DOI
100 1 $aFAGERIA, N. K.
245 $aEvaluation of common bean genotypes for phosphorus use efficiency.$h[electronic resource]
260 $c2000
520 $aA greenhouse experiment was conducted to evaluate phosphorus (P)-use efficiency of 10 promising genotypes of common bean (Phaseoius vulgaris L.) with short and normal growth duration. The genotypes were grown on an Oxisol at 25 mg P kg-1 (low P) and 150 mg P kg-1 (high P) of soil. Shoot and root dry weight, root length, P concentration in the shoot, and P uptake in the shoot were significantly (P<0.01) affected by soil P concentration and genotype. However, P level did not effect root length and genotype had no effect on root dry weight. On the basis of P-use efficiency (mg dry weight of shoot/mg P accumulated in the shoot) genotypes were classified as efficient and responsive (ER), efficient and nonresponsive (ENR), nonefficient and responsive (NER), and nonefficient and nonresponsive (NENR). From a practical point of view, genotypes which produce a lot of dry matter in a soil with a low P level, and respond well to added P are the most desirable because they are able to express their high yield potential in a wide range of P environments. Novo Jalo and Pérola genotypes fall into this group. Genotypes Irai, Jalo Precoce and L93300166 fall into the ENR group. Genotypes Carioca, Rosinha G-2, and Xamengo were classified NER, whereas, genotypes L93300176 and Diamante Negro were classified as NENR. There were no differences between short and normal growth duration genotypes in P-use efficiency.
650 $aFeijão
650 $aFósforo
650 $aPhaseolus Vulgaris
700 1 $aCOSTA, J. G. C. da
773 $tJournal of Plant Nutrition$gv. 23, n. 8, p. 1145-1152, 2000.
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