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Registro Completo |
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Biblioteca(s): |
Embrapa Agroindústria Tropical; Embrapa Agropecuária Oeste; Embrapa Meio-Norte; Embrapa Unidades Centrais. |
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Data corrente: |
29/08/1997 |
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Data da última atualização: |
19/04/2010 |
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Autoria: |
BLEICHER, E.; MELO, Q. M. S.; ABREU, A. R. M. |
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Título: |
Efeito de inseticidas na população do pulgão, Aphis gossypii Glover, e seu predador em cajueiro. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
Fortaleza: Embrapa-CNPAT, 1995. |
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Páginas: |
14 p. |
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Série: |
(EMBRAPA-CNPAT. Boletim de Pesquisa, 15). |
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Idioma: |
Português |
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Conteúdo: |
Este trabalho realizou-se no campo experimental da Embrapa, em Pacajus, Ceara, com cajueiro anao precoce, Anacardium occidentale L., enxertado, de quatro anos de idade. Verificaram-se os efeitos dos materiais emetodos. |
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Palavras-Chave: |
Cajueiro; Ceara; Controle-quimico; Fortaleza; Seletividade. |
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Thesagro: |
Controle Químico; Praga; Pulgão. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/CNPAT-2010/4749/1/Bp-015.pdf
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Marc: |
LEADER 00907nam a2200253 a 4500
001 1421942
005 2010-04-19
008 1995 bl uuuu u0uu1 u #d
100 1 $aBLEICHER, E.
245 $aEfeito de inseticidas na população do pulgão, Aphis gossypii Glover, e seu predador em cajueiro.
260 $aFortaleza: Embrapa-CNPAT$c1995
300 $a14 p.
490 $a(EMBRAPA-CNPAT. Boletim de Pesquisa, 15).
520 $aEste trabalho realizou-se no campo experimental da Embrapa, em Pacajus, Ceara, com cajueiro anao precoce, Anacardium occidentale L., enxertado, de quatro anos de idade. Verificaram-se os efeitos dos materiais emetodos.
650 $aControle Químico
650 $aPraga
650 $aPulgão
653 $aCajueiro
653 $aCeara
653 $aControle-quimico
653 $aFortaleza
653 $aSeletividade
700 1 $aMELO, Q. M. S.
700 1 $aABREU, A. R. M.
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Registro original: |
Embrapa Agroindústria Tropical (CNPAT) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Semiárido. Para informações adicionais entre em contato com cpatsa.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura; Embrapa Semiárido. |
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Data corrente: |
11/05/2020 |
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Data da última atualização: |
19/11/2020 |
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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: |
MORGANTE, C. V.; NUNES, S. L. P.; CHAVES, A. R. de M.; FERREIRA, C. F.; AIDAR, S. de T.; VITOR, A. B.; OLIVEIRA, E. J. de. |
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Afiliação: |
CAROLINA VIANNA MORGANTE, CPATSA; SÁVIO LUIZ PEREIRA NUNES, Univasf; AGNALDO RODRIGUES DE MELO CHAVES, CPATSA; CLAUDIA FORTES FERREIRA, CNPMF; SAULO DE TARSO AIDAR, CPATSA; ALISON BORGES VITOR, UFRB; EDER JORGE DE OLIVEIRA, CNPMF. |
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Título: |
Genetic and physiological analysis of early drought response in Manihot esculenta and its wild relative. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Acta Physiologiae Plantarum, v. 42, 2020. |
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DOI: |
https://doi.org/10.1007/s11738-019-3005-8 |
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Idioma: |
Inglês |
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Conteúdo: |
Cassava (Manihot esculenta) is a staple food crop mostly grown in the tropics. Successful cultivation in marginal areas derives from its ability to withstand difficult environmental conditions. Aiming at providing new insights into drought tolerance in Manihot spp., we performed physiological and molecular analyses of early drought response in three cassava varieties and in the wild species, Manihot glaziovii (maniçoba). Plants grown in pots were subjected to three water regimes for 5 days, based on soil field capacity (FC): 75% (well-watered plants); 45% (moderately stressed plants), and 20% (severely stressed plants), under greenhouse condition. Analysis of leaf gas exchange showed a downward trend in photosynthesis, stomatal conductance, and transpiration, with intensification of the stress, in all genotypes, being significantly reduced only at 20% FC. Maniçoba stood out for maintaining a positive carbon balance in severe stress condition via stomatal aperture control. Photoinhibition of the photosystem II by drought was also evident only at 20% FC. There was no clear association between proline accumulation and drought stress tolerance. Expression analysis of nine genes encoding heat-shock proteins, transcription factors, a cell redox homeostasis protein, and a no-hit protein confirmed the activation of classical stress-responsive pathways, especially those involved in oxidative damage avoidance. These results reinforce the intrinsic drought tolerance of cassava, highlight the superior performance of maniçoba under water deficit conditions, and give insights into drought phenotyping in cassava and contribute to further development of functional molecular markers to be used in assisted breeding. MenosCassava (Manihot esculenta) is a staple food crop mostly grown in the tropics. Successful cultivation in marginal areas derives from its ability to withstand difficult environmental conditions. Aiming at providing new insights into drought tolerance in Manihot spp., we performed physiological and molecular analyses of early drought response in three cassava varieties and in the wild species, Manihot glaziovii (maniçoba). Plants grown in pots were subjected to three water regimes for 5 days, based on soil field capacity (FC): 75% (well-watered plants); 45% (moderately stressed plants), and 20% (severely stressed plants), under greenhouse condition. Analysis of leaf gas exchange showed a downward trend in photosynthesis, stomatal conductance, and transpiration, with intensification of the stress, in all genotypes, being significantly reduced only at 20% FC. Maniçoba stood out for maintaining a positive carbon balance in severe stress condition via stomatal aperture control. Photoinhibition of the photosystem II by drought was also evident only at 20% FC. There was no clear association between proline accumulation and drought stress tolerance. Expression analysis of nine genes encoding heat-shock proteins, transcription factors, a cell redox homeostasis protein, and a no-hit protein confirmed the activation of classical stress-responsive pathways, especially those involved in oxidative damage avoidance. These results reinforce the intrinsic drought tolerance of cassava, highlig... Mostrar Tudo |
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Palavras-Chave: |
Análise de expressão gênica; Déficit hídrico; RT-qPCR. |
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Thesagro: |
Mandioca; Manihot Esculenta; Melhoramento Genético Vegetal. |
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Thesaurus NAL: |
Cassava. |
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Categoria do assunto: |
--
G Melhoramento Genético |
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Marc: |
LEADER 02618naa a2200289 a 4500
001 2123537
005 2020-11-19
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s11738-019-3005-8$2DOI
100 1 $aMORGANTE, C. V.
245 $aGenetic and physiological analysis of early drought response in Manihot esculenta and its wild relative.$h[electronic resource]
260 $c2020
520 $aCassava (Manihot esculenta) is a staple food crop mostly grown in the tropics. Successful cultivation in marginal areas derives from its ability to withstand difficult environmental conditions. Aiming at providing new insights into drought tolerance in Manihot spp., we performed physiological and molecular analyses of early drought response in three cassava varieties and in the wild species, Manihot glaziovii (maniçoba). Plants grown in pots were subjected to three water regimes for 5 days, based on soil field capacity (FC): 75% (well-watered plants); 45% (moderately stressed plants), and 20% (severely stressed plants), under greenhouse condition. Analysis of leaf gas exchange showed a downward trend in photosynthesis, stomatal conductance, and transpiration, with intensification of the stress, in all genotypes, being significantly reduced only at 20% FC. Maniçoba stood out for maintaining a positive carbon balance in severe stress condition via stomatal aperture control. Photoinhibition of the photosystem II by drought was also evident only at 20% FC. There was no clear association between proline accumulation and drought stress tolerance. Expression analysis of nine genes encoding heat-shock proteins, transcription factors, a cell redox homeostasis protein, and a no-hit protein confirmed the activation of classical stress-responsive pathways, especially those involved in oxidative damage avoidance. These results reinforce the intrinsic drought tolerance of cassava, highlight the superior performance of maniçoba under water deficit conditions, and give insights into drought phenotyping in cassava and contribute to further development of functional molecular markers to be used in assisted breeding.
650 $aCassava
650 $aMandioca
650 $aManihot Esculenta
650 $aMelhoramento Genético Vegetal
653 $aAnálise de expressão gênica
653 $aDéficit hídrico
653 $aRT-qPCR
700 1 $aNUNES, S. L. P.
700 1 $aCHAVES, A. R. de M.
700 1 $aFERREIRA, C. F.
700 1 $aAIDAR, S. de T.
700 1 $aVITOR, A. B.
700 1 $aOLIVEIRA, E. J. de
773 $tActa Physiologiae Plantarum$gv. 42, 2020.
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Embrapa Semiárido (CPATSA) |
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