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| 5. |  | SOUSA, P. G.; VALARINI, P. J.; SILVA, C. M. da; MEDEIROS, M. C.; KRUKER, J. M.; CRUZ, J. R. da; CAPPEL, G. Avaliação de cultivares de trigo no estado de Mato Grosso do Sul. In: EMBRAPA. Unidade de Execução de Pesquisa de Âmbito Estadual de Dourados. Resultados de pesquisa com trigo obtidos na UEPAE de Dourados em 1979. Dourados, 1980. p. 21-48 Trabalho apresentado na VI Reunião da Comissão Norte Brasileira de Pesquisa de Trigo, Curitiba, 1980.| Biblioteca(s): Embrapa Trigo. |
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Registro Completo
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Biblioteca(s): |
Embrapa Tabuleiros Costeiros. |
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Data corrente: |
15/02/2019 |
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Data da última atualização: |
15/02/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
OLIVEIRA, L. A. R. de; CARDOSO, M. N.; OLIVEIRA, A. C. A. de; MACHADO, C. de A.; CARDOSO, B. T.; MUNIZ, A. V. C. da S.; LEDO, A. da S. |
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Afiliação: |
LEILA ALBUQUERQUE RESENDE DE OLIVEIRA, UFS; MILENA NASCIMENTO CARDOSO, UFS; ANNIE CAROLINA ARAUJO DE OLIVEIRA, UFS; CAROLINE DE ARAUNO MACHADO, UFS; BRUNO TRINDADE CARDOSO, CPATC; ANA VERUSKA CRUZ DA SILVA MUNIZ, CPATC; ANA DA SILVA LEDO, CPATC. |
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Título: |
Effects of in vitro drought stress on growth, proline accumulation and antioxidant defense in sugarcane. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Journal of Agricultural Science, v. 10, n. 5, 2018. |
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ISSN: |
1916-9752, E-ISSN 1916-9760 |
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Idioma: |
Inglês |
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Conteúdo: |
Drought is the most limiting environmental factor to crop productivity and presents a great variability in the degree of tolerance among and within species, among varieties. The aim of this study was to characterize sugarcane accessions regarding tolerance to water stress during in vitro cultivation based on changes in biometric, physiological and biochemical characteristics, within species and among species, to support future breeding programs. Adventitious shoots of five sugarcane accessions: Saccharum robustum, Saccharum spontaneum and Saccharum officinarum species, cultivated in Murashige and Skoog medium supplemented with 2% sucrose and 4 g/l Phytagel were used in five water potentials, 0, -0.3, -0.6, -0.9, -1.2 MPa, induced by mannitol. Survival, length of shoots and roots, number of shoots and roots, biomass, proline content in leaves and activity of antioxidant enzymes were analyzed. There is difference among species, and also, within the same sugarcane species when submitted to in vitro drought stress, and S. officinarum was shown to be the most tolerant. Proline can be used as a biochemical indicator of response to drought in sugarcane accessions and its accumulation was intensified in S. robustum and S. spontaneum accessions. Catalase activity remained unchanged with increased drought in sugarcane accessions evaluated. |
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Thesagro: |
Absorção de Água; Antioxidante; Cana de Açúcar; Enzima; Prolina. |
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Thesaurus NAL: |
Antioxidants; Cane sugar; Drought; Enzymes; Proline. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/192868/1/73121-278697-1-PB.pdf
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Marc: |
LEADER 02281naa a2200325 a 4500
001 2106068
005 2019-02-15
008 2018 bl uuuu u00u1 u #d
022 $a1916-9752, E-ISSN 1916-9760
100 1 $aOLIVEIRA, L. A. R. de
245 $aEffects of in vitro drought stress on growth, proline accumulation and antioxidant defense in sugarcane.$h[electronic resource]
260 $c2018
520 $aDrought is the most limiting environmental factor to crop productivity and presents a great variability in the degree of tolerance among and within species, among varieties. The aim of this study was to characterize sugarcane accessions regarding tolerance to water stress during in vitro cultivation based on changes in biometric, physiological and biochemical characteristics, within species and among species, to support future breeding programs. Adventitious shoots of five sugarcane accessions: Saccharum robustum, Saccharum spontaneum and Saccharum officinarum species, cultivated in Murashige and Skoog medium supplemented with 2% sucrose and 4 g/l Phytagel were used in five water potentials, 0, -0.3, -0.6, -0.9, -1.2 MPa, induced by mannitol. Survival, length of shoots and roots, number of shoots and roots, biomass, proline content in leaves and activity of antioxidant enzymes were analyzed. There is difference among species, and also, within the same sugarcane species when submitted to in vitro drought stress, and S. officinarum was shown to be the most tolerant. Proline can be used as a biochemical indicator of response to drought in sugarcane accessions and its accumulation was intensified in S. robustum and S. spontaneum accessions. Catalase activity remained unchanged with increased drought in sugarcane accessions evaluated.
650 $aAntioxidants
650 $aCane sugar
650 $aDrought
650 $aEnzymes
650 $aProline
650 $aAbsorção de Água
650 $aAntioxidante
650 $aCana de Açúcar
650 $aEnzima
650 $aProlina
700 1 $aCARDOSO, M. N.
700 1 $aOLIVEIRA, A. C. A. de
700 1 $aMACHADO, C. de A.
700 1 $aCARDOSO, B. T.
700 1 $aMUNIZ, A. V. C. da S.
700 1 $aLEDO, A. da S.
773 $tJournal of Agricultural Science$gv. 10, n. 5, 2018.
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Registro original: |
Embrapa Tabuleiros Costeiros (CPATC) |
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