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Registro Completo |
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
05/09/2012 |
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Data da última atualização: |
18/12/2023 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
BASTOS, E. A.; CARDOSO, M. J.; SOUSA, R. S. de; ANDRADE JUNIOR, A. S. de; RIBEIRO, V. Q.; BRITO, R. R. de. |
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Afiliação: |
EDSON ALVES BASTOS, CPAMN; MILTON JOSE CARDOSO, CPAMN; RICARDO S. DE SOUSA, UFPI; ADERSON SOARES DE ANDRADE JUNIOR, CPAMN; VALDENIR QUEIROZ RIBEIRO, CPAMN; RAMILOS RODRIGUES DE BRITO, UNESP, Botucatu, SP. |
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Título: |
Productive performance of maize genotypes under water deficit in Teresina, Piauí State, Brazil. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE OF AGRICULTURAL ENGINEERING, 2012, Valencia. Agriculture & engineering for a healthier life: abstracts. Valencia: CIGR: EurAgEng, 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
Maize has a great socio-economic importance in Brazil. However, there are many Brazilians regions that present irregular or low rainfall, reducing drastically the grain yield due to water deficit. Therefore, it is essential to develop studies focused on the evaluation and identification of drought tolerant maize genotypes. Forty-two maize hybrids were evaluated in Teresina, Piauí State, northeastern Brazil, from September to December, 2010, under two irrigation water regimes: no water deficit (NWD) and water deficit (WD) during the reproductive phase, aiming identify genotypes tolerant to drought. The experimental design was randomized blocks with four replications. Irrigation was applied by conventional sprinkler system. Soil moisture content from 0.10 to 1.0 m was measured by Diviner 2000 probe. Grain yield and water use efficiency were evaluated. During the crop cycle irrigation depth plus rainwater were 692 mm and 491 mm for NWD and WD, respectively, implying in maximum soil water depletions of 26% (NWD) and 75% (WD). The water use efficiency was 11.7 kg.ha-1.mm-1 and 4.6 kg.ha-1.mm-1 for NWD and WD, respectively. Under water deficit, the average grain yield was 2,270 kg.ha-¹, i.e. 72 % lower than no water deficit regime (8,058 kg.ha-¹). Moreover, 18 hybrids produced above the average, especially the hybrids ALFA 10 (4,770 kg.ha-¹), 30 A 37 (4,724 kg.ha-¹ ) and BX 1200 (4,562 kg.ha-¹ ). |
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Palavras-Chave: |
Déficit de água; Eficiência do uso da água. |
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Thesagro: |
Zea Mays. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/65630/1/Productive10610001.pdf
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Marc: |
LEADER 02151nam a2200205 a 4500
001 1933103
005 2023-12-18
008 2012 bl uuuu u00u1 u #d
100 1 $aBASTOS, E. A.
245 $aProductive performance of maize genotypes under water deficit in Teresina, Piauí State, Brazil.
260 $aIn: INTERNATIONAL CONFERENCE OF AGRICULTURAL ENGINEERING, 2012, Valencia. Agriculture & engineering for a healthier life: abstracts. Valencia: CIGR: EurAgEng$c2012
520 $aMaize has a great socio-economic importance in Brazil. However, there are many Brazilians regions that present irregular or low rainfall, reducing drastically the grain yield due to water deficit. Therefore, it is essential to develop studies focused on the evaluation and identification of drought tolerant maize genotypes. Forty-two maize hybrids were evaluated in Teresina, Piauí State, northeastern Brazil, from September to December, 2010, under two irrigation water regimes: no water deficit (NWD) and water deficit (WD) during the reproductive phase, aiming identify genotypes tolerant to drought. The experimental design was randomized blocks with four replications. Irrigation was applied by conventional sprinkler system. Soil moisture content from 0.10 to 1.0 m was measured by Diviner 2000 probe. Grain yield and water use efficiency were evaluated. During the crop cycle irrigation depth plus rainwater were 692 mm and 491 mm for NWD and WD, respectively, implying in maximum soil water depletions of 26% (NWD) and 75% (WD). The water use efficiency was 11.7 kg.ha-1.mm-1 and 4.6 kg.ha-1.mm-1 for NWD and WD, respectively. Under water deficit, the average grain yield was 2,270 kg.ha-¹, i.e. 72 % lower than no water deficit regime (8,058 kg.ha-¹). Moreover, 18 hybrids produced above the average, especially the hybrids ALFA 10 (4,770 kg.ha-¹), 30 A 37 (4,724 kg.ha-¹ ) and BX 1200 (4,562 kg.ha-¹ ).
650 $aZea Mays
653 $aDéficit de água
653 $aEficiência do uso da água
700 1 $aCARDOSO, M. J.
700 1 $aSOUSA, R. S. de
700 1 $aANDRADE JUNIOR, A. S. de
700 1 $aRIBEIRO, V. Q.
700 1 $aBRITO, R. R. de
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Registro original: |
Embrapa Meio-Norte (CPAMN) |
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| Registros recuperados : 13 | |
| 6. |  | SOUSA, R. S. de; MENEZES, L. G. C. de; FELIZZOLA, J. F.; FIGUEIREDO, R. de O.; SÁ, T. D. de A.; GUERRA, G. A. D. Água e saúde no município de Igarapé-Açu, Pará. Saúde e Sociedade, São Paulo, v. 25, n. 4, p. 1095-1107, out./dez. 2016. Artigo em português e inglês.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 7. | | SOUSA, R. S. de; MENEZES, L. G. C. de; FELIZZOLA, J. F.; FIGUEIREDO, R. de O.; SÁ, T. D. de A.; GUERRA, G. A. D. Água e saúde no município de Igarapé-Açu, Pará. Saúde e Sociedade, São Paulo, v. 25, n. 4, p. 1095-1107, out./dez. 2016.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Meio Ambiente. |
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| 8. | | MARTINS, C. R.; NAVA, D. E.; NAVA, G.; MALGARIM, M. B.; LARAZOTTO, M.; ZANDONÁ, R. R.; MARCO, R. de; HELLWING, C. G.; SOUSA, R. S. de. Manejo: aumento da produtividade de pecaneiras. Revista Campo & Negócio HF, Uberlândia, p. 62-66, nov. 2021.| Tipo: Artigo de Divulgação na Mídia |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 9. | | BASTOS, E. A.; CARDOSO, M. J.; SOUSA, R. S. de; ANDRADE JUNIOR, A. S. de; RIBEIRO, V. Q.; BRITO, R. R. de. Productive performance of maize genotypes under water deficit in Teresina, Piauí State, Brazil. In: INTERNATIONAL CONFERENCE OF AGRICULTURAL ENGINEERING, 2012, Valencia. Agriculture & engineering for a healthier life: abstracts. Valencia: CIGR: EurAgEng, 2012.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 10. | | RAMOS, H. M. M.; VALLADARES, G. S.; ANDRADE JUNIOR, A. S. de; MATOS FILHO, C. H. A.; SOUSA, R. S. de; MOUSINHO, F. E. P. Pedotransference functions for prediction of density in soils of Piauí, Brazil. Brazilian Journal of Development, Curitiba, v. 8, n. 7, p. 50832-50850, jul. 2022.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 5 |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 11. | | ARAÚJO, A. S. F. de; LEITE, L. F. C.; MIRANDA, A. R. L.; NUNES, L. A. P. L.; SOUSA, R. S. de; ARAÚJO, F. F. de; MELO, W. J. de. Different soil tillage systems influence accumulation of soil organic matter in organic agriculture. African Journal of Agricultural Research, v. 11, n. 51, p. 5109-5115, Dec. 2016.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 12. | | LEITE, W. de S.; MIRANDA, R. de S.; ROCHA, M. de M.; DUTRA, A. F.; SANTOS, A. S.; SILVA, A. C. da; BRITO, F. M. de; SOUSA, R. S. de; ARAÚJO, A. S. F. de; NASCIMENTO, C. W. A. do; ZUFFO, A. M.; ALCÂNTARA NETO, F. de. Silicon alleviates drought damage by increasing antioxidant and photosynthetic performance in cowpea. Journal of Agronomy and Crop Science, p. 1-16, 2023. First published: 20 June 2023.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 13. | | SILVA, W. J. dos S.; ALCANTARA NETO, F. de; AL-QAHTANI, W. H.; OKLA, M. K.; AL-HASHIMI, A.; VIEIRA, P. F. de M. J.; GRAVINA, G. de A.; ZUFFO, A. M.; DUTRA, A. F.; CARVALHO, L. C. B.; SOUSA, R. S. de; PEREIRA, A. P. de A.; LEITE, W. de S.; SILVA JUNIOR, G. B. da; SILVA, A. C. da; LEITE, M. R. L.; LUSTOSA SOBRINHO, R.; ABDELGAWAD, H. Yield of soybean genotypes identified through GGE biplot and path analysis. PLOS ONE, v. 17, n. 10, e0274726, 2022.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Meio-Norte. |
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| Registros recuperados : 13 | |
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