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| Registros recuperados : 120 | |
| 41. |  | 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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| 42. | | MARQUES, D. M.; VERONEZE JÚNIOR, V.; SILVA, A. B. da; MANTOVANI, J. R.; MAGALHAES, P. C.; SOUZA, T. C. de. Copper toxicity on photosynthetic responses and root morphology of Hymenaea courbaril L. (Caesalpinioideae). Water, Air and Soil Pollution, v. 229, n. 138, p. 1-14, 2018.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 43. | | SOUZA, T. C. de; MAGALHAES, P. C.; CASTRO, E. M. de; DUARTE, V. P.; LAVINSKY, A. O. Corn root morphoanatomy at different development stages and yield under water stress. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 51, n. 4, p. 330-339, abr. 2016.| Biblioteca(s): Embrapa Milho e Sorgo; Embrapa Unidades Centrais. |
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| 46. | | 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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| 48. | | 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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| 49. | | 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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| 53. | | SOUZA, T. C. de; MAGALHAES, P. C.; CASTRO, E. M. de; KARAM, D.; PARENTONI, S. N.; PEREIRA, F. J. Efeito do encharcamento do solo nos diferentes ciclos de seleção do milho Saracura BRS 4154. 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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| 54. | | 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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| 57. | | 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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| 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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| 60. | | KARAM, D.; BORGHI, E.; MAGALHAES, P. C.; PAES, M. C. D.; PEREIRA FILHO, I. A.; MANTOVANI, E. C.; SOUZA, T. C. de; ADEGAS, F. S. Antecipe: cultivo intercalar antecipado. Brasília, DF: Embrapa, 2020. 120 p.| Biblioteca(s): Embrapa Milho e Sorgo; Embrapa Soja. |
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| Registros recuperados : 120 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
07/10/2013 |
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Data da última atualização: |
28/09/2017 |
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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; SOUZA, E. dos S.; DOUSSEAU, S.; CASTRO, E. M. de; MAGALHAES, P. C. |
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Afiliação: |
PAULO CESAR MAGALHAES, CNPMS. |
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Título: |
Seedlings of Garcinia brasiliensis (Clusiaceae) subjected to rootflooding: Physiological, morphoanatomical, and antioxidantresponses to the stress. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Aquatic Botany, Amsterdam, v. 111, p. 43-49, 2013. |
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DOI: |
10.1016/j.aquabot.2013.08.006 |
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Idioma: |
Inglês |
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Conteúdo: |
Garcinia brasiliensis (Mart.) is a native Amazonian tree cultivated throughout Brazil. This plant can tolerate flooding or submergence for several days, during certain periods of the year. The morphophysiological changes of G. brasiliensis (Mart.) seedlings were assessed that may favor their survival in flooded environments. Seedlings with six fully expanded leaves were placed in tanks so that their roots were submerged for 90 days. Antioxidant enzymatic activity and the contents of H2O2, soluble sugar, starch, and amino acid of the roots were evaluated on six harvesting occasions. At the end of the experiment, the dry mass and root morphology of the seedlings were determined. Flooding lead to a decrease in dry mass of roots and aboveground parts, as well as root length (58%), surface area (51%) and volume (43%), especially of roots with smaller diameter. The roots of the flooded seedlings presented thicker exodermis and greater xylem number, thicker phloem and fewer xylem fibers. There was a small amount of aerenchyma in the roots and hypertrophied lenticels were detected at the base of the stem. Superoxide dismutase activity was significantly higher in flooded roots at all harvesting times, and ascorbate peroxidase and catalase activities were highest during the last two harvestings. H2O2 content increased after 40 and 55 days of flooding, followed by a drastic decrease. After 70 and 90 days of flooding there was an expressive increase in soluble sugars, and at 90 days, a reduction in starch content. No differences were observed in amino acid content. MenosGarcinia brasiliensis (Mart.) is a native Amazonian tree cultivated throughout Brazil. This plant can tolerate flooding or submergence for several days, during certain periods of the year. The morphophysiological changes of G. brasiliensis (Mart.) seedlings were assessed that may favor their survival in flooded environments. Seedlings with six fully expanded leaves were placed in tanks so that their roots were submerged for 90 days. Antioxidant enzymatic activity and the contents of H2O2, soluble sugar, starch, and amino acid of the roots were evaluated on six harvesting occasions. At the end of the experiment, the dry mass and root morphology of the seedlings were determined. Flooding lead to a decrease in dry mass of roots and aboveground parts, as well as root length (58%), surface area (51%) and volume (43%), especially of roots with smaller diameter. The roots of the flooded seedlings presented thicker exodermis and greater xylem number, thicker phloem and fewer xylem fibers. There was a small amount of aerenchyma in the roots and hypertrophied lenticels were detected at the base of the stem. Superoxide dismutase activity was significantly higher in flooded roots at all harvesting times, and ascorbate peroxidase and catalase activities were highest during the last two harvestings. H2O2 content increased after 40 and 55 days of flooding, followed by a drastic decrease. After 70 and 90 days of flooding there was an expressive increase in soluble sugars, and at 90 days, a ... Mostrar Tudo |
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Palavras-Chave: |
Hipoxia; Rheedia brasiliensis. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/90582/1/Seedlings-Garcinia.pdf
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Marc: |
LEADER 02265naa a2200205 a 4500
001 1967919
005 2017-09-28
008 2013 bl uuuu u00u1 u #d
024 7 $a10.1016/j.aquabot.2013.08.006$2DOI
100 1 $aSOUZA, T. C. de
245 $aSeedlings of Garcinia brasiliensis (Clusiaceae) subjected to rootflooding$bPhysiological, morphoanatomical, and antioxidantresponses to the stress.$h[electronic resource]
260 $c2013
520 $aGarcinia brasiliensis (Mart.) is a native Amazonian tree cultivated throughout Brazil. This plant can tolerate flooding or submergence for several days, during certain periods of the year. The morphophysiological changes of G. brasiliensis (Mart.) seedlings were assessed that may favor their survival in flooded environments. Seedlings with six fully expanded leaves were placed in tanks so that their roots were submerged for 90 days. Antioxidant enzymatic activity and the contents of H2O2, soluble sugar, starch, and amino acid of the roots were evaluated on six harvesting occasions. At the end of the experiment, the dry mass and root morphology of the seedlings were determined. Flooding lead to a decrease in dry mass of roots and aboveground parts, as well as root length (58%), surface area (51%) and volume (43%), especially of roots with smaller diameter. The roots of the flooded seedlings presented thicker exodermis and greater xylem number, thicker phloem and fewer xylem fibers. There was a small amount of aerenchyma in the roots and hypertrophied lenticels were detected at the base of the stem. Superoxide dismutase activity was significantly higher in flooded roots at all harvesting times, and ascorbate peroxidase and catalase activities were highest during the last two harvestings. H2O2 content increased after 40 and 55 days of flooding, followed by a drastic decrease. After 70 and 90 days of flooding there was an expressive increase in soluble sugars, and at 90 days, a reduction in starch content. No differences were observed in amino acid content.
653 $aHipoxia
653 $aRheedia brasiliensis
700 1 $aSOUZA, E. dos S.
700 1 $aDOUSSEAU, S.
700 1 $aCASTRO, E. M. de
700 1 $aMAGALHAES, P. C.
773 $tAquatic Botany, Amsterdam$gv. 111, p. 43-49, 2013.
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