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Registro Completo |
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Biblioteca(s): |
Embrapa Agricultura Digital. |
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Data corrente: |
28/02/2014 |
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Data da última atualização: |
28/02/2014 |
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Tipo da produção científica: |
Software |
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Autoria: |
NAKAI, A. M.; EVANGELISTA, S. R. M. |
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Afiliação: |
ALAN MASSARU NAKAI, CNPTIA; SILVIO ROBERTO MEDEIROS EVANGELISTA, CNPTIA. |
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Título: |
Scenagri Perenes. Versão 1.0. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Campinas: Embrapa Informática Agropecuária, 2013. |
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Descrição Física: |
1 CD-ROM. |
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Idioma: |
Português |
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Conteúdo: |
Arquivos necessários para instalação: scenagri_perenes_v1.0.tar.gz. Guia de instalação: SCenAgriPerenesGuiaInstalacaoServidor.doc. Descrição do ambiente de desenvolvimento: SCenAgriPerenesAmbienteDesenvolvimento.doc. Documento de visão: SCenAgriPerenesDocumentoVisao.doc. Diagramas do sistema: SCenAgriPerenesDiagramasDoSistema.pdf. Manual do usuário: SCenAgriPerenesManual.pdf. |
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Palavras-Chave: |
Cultura perene; Simulação de cenários agrícolas; Sistema web. |
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Thesaurus Nal: |
Computer software. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 00879nam a2200181 a 4500
001 1981518
005 2014-02-28
008 2013 bl uuuu u0uu1 u #d
100 1 $aNAKAI, A. M.
245 $aScenagri Perenes. Versão 1.0.
260 $aCampinas: Embrapa Informática Agropecuária$c2013
300 $c1 CD-ROM.
520 $aArquivos necessários para instalação: scenagri_perenes_v1.0.tar.gz. Guia de instalação: SCenAgriPerenesGuiaInstalacaoServidor.doc. Descrição do ambiente de desenvolvimento: SCenAgriPerenesAmbienteDesenvolvimento.doc. Documento de visão: SCenAgriPerenesDocumentoVisao.doc. Diagramas do sistema: SCenAgriPerenesDiagramasDoSistema.pdf. Manual do usuário: SCenAgriPerenesManual.pdf.
650 $aComputer software
653 $aCultura perene
653 $aSimulação de cenários agrícolas
653 $aSistema web
700 1 $aEVANGELISTA, S. R. M.
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Registro original: |
Embrapa Agricultura Digital (CNPTIA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
03/02/2016 |
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Data da última atualização: |
26/05/2022 |
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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: |
CAMPOS, N. A.; ALVES, J. D.; SOUZA, K. R. D. de; PORTO, B. N.; MAGALHAES, M. M.; SILVA, G. J. da; PAIVA, L. V. |
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Afiliação: |
Nádia Alves Campos, Catholic University of Leuven; José Donizeti Alves, UFLA; Kamila Rezende Dázio de Souza, UFLA; Brenda Neves Porto, UFLA; MARCELO MURAD MAGALHAES, CPATU; Glacy Jaqueline da Silva, UFPEL; Luciano Vilela Paiva, UFLA. |
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Título: |
Evolution of aerenchyma formation in a maize breeding program. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Plant Omics Journal, v. 9, n. 1, p. 19-25, 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
Approximately 28 million hectares of intermittently flooded land with agricultural potential in Brazil could be used for rice crop rotation to increase production. Understanding the flood tolerance mechanisms in "Saracura" is of paramount importance for maize and other crops. Thus, we evaluated the expression levels of the superoxide dismutase, ascorbate peroxidase, guaiacol peroxidase, and catalase antioxidant genes and cell wall loosening (XET) enzyme in maize roots under flooding as well as associated expression with the initiation of aerenchyma formation, which is the most important plant adaptation to flooding. We collected data on "Saracura" at the beginning of the breeding program (cycle 1), a time considered more sensitive to flooding, and during the last selection cycle (cycle 18), a time considered more resistant to flooding. Maize plants were flooded for 12 and 24h, and roots were collected for anatomic (aerenchyma density in the root cortex) and gene expression analyses by qRT-PCR. Our results showed that there was a proportional graded increase in aerenchyma formed in the root cortex with increased flooding time that was most pronounced during selection cycle 18. Antioxidant enzyme gene expression levels at both time points were similar: high expression just after germination, decreased expression after 12h, and increased expression after 24h of flooding. Aerenchyma formation was detectable after 24h of flooding, which coincided with the highest antioxidant enzyme gene expression levels. These results indicate that the correlation between antioxidant enzyme activities and flooding can act as a molecular flag to improve flood tolerance in "Saracura". Our results are important to understand the induction of aerenchyma formation and flooding tolerance in "Saracura". MenosApproximately 28 million hectares of intermittently flooded land with agricultural potential in Brazil could be used for rice crop rotation to increase production. Understanding the flood tolerance mechanisms in "Saracura" is of paramount importance for maize and other crops. Thus, we evaluated the expression levels of the superoxide dismutase, ascorbate peroxidase, guaiacol peroxidase, and catalase antioxidant genes and cell wall loosening (XET) enzyme in maize roots under flooding as well as associated expression with the initiation of aerenchyma formation, which is the most important plant adaptation to flooding. We collected data on "Saracura" at the beginning of the breeding program (cycle 1), a time considered more sensitive to flooding, and during the last selection cycle (cycle 18), a time considered more resistant to flooding. Maize plants were flooded for 12 and 24h, and roots were collected for anatomic (aerenchyma density in the root cortex) and gene expression analyses by qRT-PCR. Our results showed that there was a proportional graded increase in aerenchyma formed in the root cortex with increased flooding time that was most pronounced during selection cycle 18. Antioxidant enzyme gene expression levels at both time points were similar: high expression just after germination, decreased expression after 12h, and increased expression after 24h of flooding. Aerenchyma formation was detectable after 24h of flooding, which coincided with the highest antioxidant enzy... Mostrar Tudo |
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Thesagro: |
Melhoramento; Milho. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/138394/1/Campos2016.pdf
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Marc: |
LEADER 02401naa a2200217 a 4500
001 2036062
005 2022-05-26
008 2016 bl uuuu u00u1 u #d
100 1 $aCAMPOS, N. A.
245 $aEvolution of aerenchyma formation in a maize breeding program.$h[electronic resource]
260 $c2016
520 $aApproximately 28 million hectares of intermittently flooded land with agricultural potential in Brazil could be used for rice crop rotation to increase production. Understanding the flood tolerance mechanisms in "Saracura" is of paramount importance for maize and other crops. Thus, we evaluated the expression levels of the superoxide dismutase, ascorbate peroxidase, guaiacol peroxidase, and catalase antioxidant genes and cell wall loosening (XET) enzyme in maize roots under flooding as well as associated expression with the initiation of aerenchyma formation, which is the most important plant adaptation to flooding. We collected data on "Saracura" at the beginning of the breeding program (cycle 1), a time considered more sensitive to flooding, and during the last selection cycle (cycle 18), a time considered more resistant to flooding. Maize plants were flooded for 12 and 24h, and roots were collected for anatomic (aerenchyma density in the root cortex) and gene expression analyses by qRT-PCR. Our results showed that there was a proportional graded increase in aerenchyma formed in the root cortex with increased flooding time that was most pronounced during selection cycle 18. Antioxidant enzyme gene expression levels at both time points were similar: high expression just after germination, decreased expression after 12h, and increased expression after 24h of flooding. Aerenchyma formation was detectable after 24h of flooding, which coincided with the highest antioxidant enzyme gene expression levels. These results indicate that the correlation between antioxidant enzyme activities and flooding can act as a molecular flag to improve flood tolerance in "Saracura". Our results are important to understand the induction of aerenchyma formation and flooding tolerance in "Saracura".
650 $aMelhoramento
650 $aMilho
700 1 $aALVES, J. D.
700 1 $aSOUZA, K. R. D. de
700 1 $aPORTO, B. N.
700 1 $aMAGALHAES, M. M.
700 1 $aSILVA, G. J. da
700 1 $aPAIVA, L. V.
773 $tPlant Omics Journal$gv. 9, n. 1, p. 19-25, 2016.
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Embrapa Amazônia Oriental (CPATU) |
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