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| 2. |  | SANTOS, C. A. F.; BARROS, G. A. de A.; SANTOS, Y. C. N. dos; FERRAZ, M. G. de S. Competição de linhagens de feijão-caupi avaliadas na área de influência de Petrolina e Juazeiro. In: CONGRESSO NACIONAL DE FEIJÃO- CAUPI, 1.; REUNIÃO NACIONAL DE FEIJÃO- CAUPI, 6., 2006, Teresina. Tecnologias para o agronegócio: anais. Teresina: Embrapa Meio-Norte, 2006. 1 CD-ROM (Embrapa Meio-Norte. Documentos, 121).| Biblioteca(s): Embrapa Semiárido. |
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| 3. | | SANTOS, C. A. F.; BARROS, G. A. de A.; SANTOS, I. C. C. N. dos; FERRAZ, M. G. de S. Comportamento agronômico e qualidade culinária de feijão-caupi no Vale do São Francisco. Horticultura Brasileira, Brasília, DF, v. 26, n. 3, p. 404-408, jul./set. 2008.| Biblioteca(s): Embrapa Hortaliças; Embrapa Semiárido. |
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| 5. | | SANTOS, C. A. F.; SANTOS, G. M.; FERRAZ, M. G. de S.; SANTOS, I. C. N. dos. Herdabilidades e estimativas do número mínimo de genes para os caracteres comprimento da haste principal e dias para floração em três cruzamentos de feijão-caupi. Horticultura Brasileira, Brasília, DF, v. 23, n. 2, ago. 2005. 1 CD-ROM. Suplemento. Edição dos resumos expandidos do 45 Congresso Brasileiro de Olericultura; 15 Congresso Brasileiro de Floricultura e Planta Ornamentais; 2 Congresso Brasileiro de Cultura de Tecidos de Plantas, Fortaleza, ago. 2005.| Biblioteca(s): Embrapa Semiárido. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Arroz e Feijão. |
|
Data corrente: |
26/04/2004 |
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Data da última atualização: |
25/06/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FAGERIA, N. K.; BALIGAR, V. C. |
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Afiliação: |
NAND KUMAR FAGERIA, CNPAF. |
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Título: |
Phosphorus-use efficiency in wheat genotypes. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Journal of Plant Nutrition, v. 22, n. 2, p. 331-340, 1999. |
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DOI: |
10.1080/01904169909365630 |
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Idioma: |
Inglês |
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Conteúdo: |
Phosphorus (P) deficiency is one of the principal yield-limiting factors in Oxisols in various parts of the world. The objective of this study was to evaluate 15 wheat genotypes for P-use efficiency. The genotypes were evaluated in an Oxisol at zero ("low?; P), 75 mg P kg-1 ("medium?; P), and 150 mg P kg-1 ("high?; P). Shoot weight and P uptake in shoot were the most sensitive plant parameters to P deficiency. Significant (P<0.01) genotypic differences in P-use efficiency were found. Phosphorus-use efficiency is represented as mgs of dry matter of root and shoot per mg of P accumulated in root and shoot. On the basis of P-use efficiency, 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 high shoot dry matter in a low level of P 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 environment. Genotypes BR10, CPAC89128, and NL459 fall into this group. These are often referred to as widely adapted genotypes, in contrast with other genotypes which can be referred to as more specifically adapted genotypes. |
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Thesagro: |
Fósforo; Solo; Trigo. |
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Thesaurus NAL: |
wheat. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
|
Marc: |
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001 1210225
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008 1999 bl uuuu u00u1 u #d
024 7 $a10.1080/01904169909365630$2DOI
100 1 $aFAGERIA, N. K.
245 $aPhosphorus-use efficiency in wheat genotypes.$h[electronic resource]
260 $c1999
520 $aPhosphorus (P) deficiency is one of the principal yield-limiting factors in Oxisols in various parts of the world. The objective of this study was to evaluate 15 wheat genotypes for P-use efficiency. The genotypes were evaluated in an Oxisol at zero ("low?; P), 75 mg P kg-1 ("medium?; P), and 150 mg P kg-1 ("high?; P). Shoot weight and P uptake in shoot were the most sensitive plant parameters to P deficiency. Significant (P<0.01) genotypic differences in P-use efficiency were found. Phosphorus-use efficiency is represented as mgs of dry matter of root and shoot per mg of P accumulated in root and shoot. On the basis of P-use efficiency, 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 high shoot dry matter in a low level of P 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 environment. Genotypes BR10, CPAC89128, and NL459 fall into this group. These are often referred to as widely adapted genotypes, in contrast with other genotypes which can be referred to as more specifically adapted genotypes.
650 $awheat
650 $aFósforo
650 $aSolo
650 $aTrigo
700 1 $aBALIGAR, V. C.
773 $tJournal of Plant Nutrition$gv. 22, n. 2, p. 331-340, 1999.
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