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| Registros recuperados : 119 | |
| 43. |  | MAGALHAES, P. C.; SOUZA, T. C. de; CASTRO, E. M. de; KARAM, D.; PARENTONI, S. N.; PEREIRA, F. J. Características de produção nos ciclos de seleção do milho Saracura BRS 4154 tolerante ao encharcamento do solo. In: CONGRESSO NACIONAL DE MILHO E SORGO, 27.; SIMPOSIO BRASILEIRO SOBRE A LAGARTA-DO-CARTUCHO, SPODOPTERA FRUGIPERDA, 3.; WORKSHOP SOBRE MANEJO E ETIOLOGIA DA MANCHA BRANCA DO MILHO, 2008, Londrina. Agroenergia, produção de alimentos e mudanças climáticas: desafios para milho e sorgo: trabalhos e palestras. [Londrina]: IAPAR; [Sete Lagoas]: Embrapa Milho e Sorgo, 2008. 1 CD-ROM.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 44. | | TURCO, S. H. N.; SOARES, H. S.; MISTURA, C.; MESSIAS, C. P.; SOUZA, T. C. de; OLIVEIRA, F. A. de. Comportamento ingestivo diurno de ovinos mestiço Santa Inês em pastagem de capim aruana (Panicum Maximum CV. Aruana) sobre as condições climáticas do semi-árido Nordestino. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 44., 2007, Jaboticabal. O avanço científico e tecnológico na produção animal: anais. Jaboticabal: Sociedade Brasileira de Zootecnia: UNESP, Faculdade de Ciências Agrárias e Veterinárias, 2007. 3 f. 1 CD-ROM.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 46. | | MAGALHAES, P. C.; PEREIRA, F. J.; PEREIRA, F. J.; WAQUIL, J. M.; SOUZA, T. C. de; LINO, L. de O. Indução de perfilhamento em milho via estresse hídrico. In: CONGRESSO NACIONAL DE MILHO E SORGO, 28.; SIMPÓSIO BRASILEIRO SOBRE A LAGARTA DO CARTUCHO, 4., 2010, Goiânia. Potencialidades, desafios e sustentabilidade: resumos expandidos... Sete Lagoas: ABMS, 2010. 1 CD-ROM.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 47. | | SOUZA, T. C. de; MAGALHAES, P. C.; CASTRO, E. M. de; ALBUQUERQUE, P. E. P. de; MARABESI, M. A. The influence of ABA on water relation, photosynthesis parameters, and chlorophyll fluorescence under drought conditions in two maize hybrids with contrasting drought resistance. Acta Physiologiae Plantarum, v. 35, p. 515-527, 2013.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 48. | | PEREIRA, F. J.; CASTRO, E. de M.; MAGALHAES, P. C.; SOUZA, T. C. de; LINO, L. de O. Modificações na anatomia do caule de sucessivos ciclos de seleção do milho 'Saracura' BRS 4154 sob alagamento intermitente do solo. In: CONGRESSO NACIONAL DE MILHO E SORGO, 28.; SIMPÓSIO BRASILEIRO SOBRE A LAGARTA DO CARTUCHO, 4., 2010, Goiânia. Potencialidades, desafios e sustentabilidade: resumos expandidos... Sete Lagoas: ABMS, 2010. 1 CD-ROM.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 52. | | CARVALHAIS, M. C.; BRESSANIN, L. A.; RABÊLO, V. M.; MAGALHAES, P. C.; SOUZA, K. R. D.; SOUZA, T. C. de. Quitosana e seus derivados promovem o crescimento inicial de plântulas de milho sob déficit hídrico. In: CONGRESSO NACIONAL DE MILHO E SORGO, 32., 2018, Lavras. Soluções integradas para os sistemas de produção de milho e sorgo no Brasil: resumos. Sete Lagoas: Associação Brasileira de Milho e Sorgo, 2018. p. 105.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 55. | | SOUZA, T. C. de; SOUZA, E. dos S.; DOUSSEAU, S.; CASTRO, E. M. de; MAGALHAES, P. C. Seedlings of Garcinia brasiliensis (Clusiaceae) subjected to rootflooding: Physiological, morphoanatomical, and antioxidantresponses to the stress. Aquatic Botany, Amsterdam, v. 111, p. 43-49, 2013.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 58. | | SOUZA, T. C. de; MISTURA, C.; VIEIRA, P. A. S.; LIMA, A. R. dos S.; OLIVEIRA, F. A. de; DOURADO, D. L.; VOLTOLINI, T. V.; OLIVEIRA, J. M. Adubação nitrogenada na produção de forragem do capim-mulato II. In: CONGRESSO BRASILEIRO DE ZOOTECNIA, 19.; CONGRESSO INTERNACIONAL DE ZOOTECNIA, 11.; FÓRUM DE COORDENADORES DE CURSOS DE ZOOTECNIA DAS UNIVERSIDADES BRASILEIRAS, 5.; FÓRUM DE ESTUDANTES DE CURSOS DE ZOOTECNIA DAS UNIVERSIDADES BRASILEIRAS, 5.; REUNIÃO NACIONAL DE ENSINO DE ZOOTECNIA, 15.; FÓRUM DE ENTIDADES DE ZOOTECNISTAS, 22., 2009, Águas de Lindóia. Visão estratégica de cadeias do agronegócio : anais. Pirassununga: Faculdade de Zootecnia e Engenharia de Alimentos: Associação Brasileira de Zootecnistas, 2009. 1 CD-ROM.| Biblioteca(s): Embrapa Semiárido. |
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| 59. | | REIS, C. O. dos; MAGALHAES, P. C.; AVILA, R. G.; ALMEIDA, L. G.; RABELO, V. M.; CARVALHO, D. T.; CABRAL, D. F.; KARAM, D.; SOUZA, T. C. de. Action of N-succinyl and N,O-dicarboxymethyl chitosan derivatives on chlorophyll photosynthesis and fluorescence in drought-sensitive maize. Journal of Plant Growth Regulation, v. 38, p. 619-630, 2019.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| Registros recuperados : 119 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
09/11/2012 |
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Data da última atualização: |
06/08/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
SOUZA, T. C. de; MAGALHAES, P. C.; CASTRO, E. M. de; ALBUQUERQUE, P. E. P. de; MARABESI, M. A. |
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Afiliação: |
PAULO CESAR MAGALHAES, CNPMS; PAULO EMILIO PEREIRA DE ALBUQUERQUE, CNPMS. |
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Título: |
The influence of ABA on water relation, photosynthesis parameters, and chlorophyll fluorescence under drought conditions in two maize hybrids with contrasting drought resistance. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Acta Physiologiae Plantarum, v. 35, p. 515-527, 2013. |
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DOI: |
10.1007/s11738-012-1093-9 |
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Idioma: |
Inglês |
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Conteúdo: |
Drought is a major limitation of maize cultivation in Brazil. Agronomic and physiological practices have been considered to overcome this stress and consequently, increase grain production. The present study investigated the role of abscisic acid (ABA) application in some physiological parameters, in two hybrids with contrasting drought resistance (DKB 390 and BRS 1030 resistant and sensitive, respectively). Contrasting resistance to drought in these genotypes was determined in previous studies. Water deficit was imposed for 10 days at flowering stage, in association with the application of 100lM abscisic acid on plant canopy. Evaluations of gas exchange, chlorophyll fluorescence, relative water content (RWC), and endogenous ABA content were performed during stress period and also at water recovery (recovery irrigation). A significant functional relationship was observed between RWC and the parameters of gas exchange and fluorescence. During water recovery, no differences were observed among the treatments. DKB 390 presented higher photosynthesis rate (Pn) and electron transport rate (ETR) under water stress, while BRS 1030 presented higher intercellular CO2 concentration (Ci) and lower photochemical quenching (qP), non-photochemical quenching (NPQ), and lower Fv/Fm ratio. DBK 390 was more responsive to ABA application than BRS 1030, presenting higher endogenous ABA content in the first day of stress. DBK 390 with ABA application reduced the effect of water stress through maintenance of water status, an increase of photosynthetic parameters, and a decrease of decline in the functions of photosystem II during stress. MenosDrought is a major limitation of maize cultivation in Brazil. Agronomic and physiological practices have been considered to overcome this stress and consequently, increase grain production. The present study investigated the role of abscisic acid (ABA) application in some physiological parameters, in two hybrids with contrasting drought resistance (DKB 390 and BRS 1030 resistant and sensitive, respectively). Contrasting resistance to drought in these genotypes was determined in previous studies. Water deficit was imposed for 10 days at flowering stage, in association with the application of 100lM abscisic acid on plant canopy. Evaluations of gas exchange, chlorophyll fluorescence, relative water content (RWC), and endogenous ABA content were performed during stress period and also at water recovery (recovery irrigation). A significant functional relationship was observed between RWC and the parameters of gas exchange and fluorescence. During water recovery, no differences were observed among the treatments. DKB 390 presented higher photosynthesis rate (Pn) and electron transport rate (ETR) under water stress, while BRS 1030 presented higher intercellular CO2 concentration (Ci) and lower photochemical quenching (qP), non-photochemical quenching (NPQ), and lower Fv/Fm ratio. DBK 390 was more responsive to ABA application than BRS 1030, presenting higher endogenous ABA content in the first day of stress. DBK 390 with ABA application reduced the effect of water stress through ma... Mostrar Tudo |
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Palavras-Chave: |
Estresse hídrico; Troca gasosa. |
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Thesagro: |
Milho; Zea mays. |
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Categoria do assunto: |
-- |
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Marc: |
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024 7 $a10.1007/s11738-012-1093-9$2DOI
100 1 $aSOUZA, T. C. de
245 $aThe influence of ABA on water relation, photosynthesis parameters, and chlorophyll fluorescence under drought conditions in two maize hybrids with contrasting drought resistance.$h[electronic resource]
260 $c2013
520 $aDrought is a major limitation of maize cultivation in Brazil. Agronomic and physiological practices have been considered to overcome this stress and consequently, increase grain production. The present study investigated the role of abscisic acid (ABA) application in some physiological parameters, in two hybrids with contrasting drought resistance (DKB 390 and BRS 1030 resistant and sensitive, respectively). Contrasting resistance to drought in these genotypes was determined in previous studies. Water deficit was imposed for 10 days at flowering stage, in association with the application of 100lM abscisic acid on plant canopy. Evaluations of gas exchange, chlorophyll fluorescence, relative water content (RWC), and endogenous ABA content were performed during stress period and also at water recovery (recovery irrigation). A significant functional relationship was observed between RWC and the parameters of gas exchange and fluorescence. During water recovery, no differences were observed among the treatments. DKB 390 presented higher photosynthesis rate (Pn) and electron transport rate (ETR) under water stress, while BRS 1030 presented higher intercellular CO2 concentration (Ci) and lower photochemical quenching (qP), non-photochemical quenching (NPQ), and lower Fv/Fm ratio. DBK 390 was more responsive to ABA application than BRS 1030, presenting higher endogenous ABA content in the first day of stress. DBK 390 with ABA application reduced the effect of water stress through maintenance of water status, an increase of photosynthetic parameters, and a decrease of decline in the functions of photosystem II during stress.
650 $aMilho
650 $aZea mays
653 $aEstresse hídrico
653 $aTroca gasosa
700 1 $aMAGALHAES, P. C.
700 1 $aCASTRO, E. M. de
700 1 $aALBUQUERQUE, P. E. P. de
700 1 $aMARABESI, M. A.
773 $tActa Physiologiae Plantarum$gv. 35, p. 515-527, 2013.
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