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| 41. |  | DITA, M. A.; JESUS, J. de; SILVA, A. F.; BELLOTTI, A.; ALVES, A. A. C. Avaliação de híbridos interespecíficos de mandioca para a resistência a doenças. In: CONGRESSO BRASILEIRO DE MANDIOCA, 12., 2007, Paranavaí. Mandioca: bioenergia, alimento e renda. Paranavaí: SBM, 2007. 1 CD-ROM.| Biblioteca(s): Embrapa Semiárido. |
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| 43. | | ALVES, A. A. C.; SILVA, A. F.; QUEIROZ, D. C.; DITA, M. A. Avaliação de variedades de mandioca para tolerância à seca, em condições semi-áridas do Brasil. In: CONGRESSO BRASILEIRO DE MANDIOCA, 12., 2007, Paranavaí. Mandioca: bioenergia, alimento e renda - anais. Paranavaí: SBM, 2007. 1 CD-ROM. Edição dos resumos do XII Congresso Brasileiro de Mandioca na Revista Raízes e Amidos Tropicais, v. 3, out. 2007.| Biblioteca(s): Embrapa Mandioca e Fruticultura; Embrapa Semiárido. |
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| 44. | | FIUZA, D. da S.; LEDO, C. A. da S.; ALVES, A. A. C.; FEREIRA, M. A. Avaliação de variedades de mandioca para tolerância à seca. In: SEMINÁRIO DE PESQUISA DO RECÔNCAVO DA BAHIA, 2.; SEMINÁRIO ESTUDANTIL DE PESQUISA DA UFRB, 2.; SEMINÁRIO DE PÓS-GRADUAÇÃO DA UFRB, 2., 2008, Cruz das Almas, BA. Sustentabilidade ambiental e qualidade de vida. Cruz das Almas: Universidade Federal do Recôncavo da Bahia, 2008.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 47. | | RODRIGUES, L. A. Z.; ALVES, A. A. C.; PAIVA, L. V.; V, D. Criopreservação de genótipos de mandioca. In: CONGRESSO BRASILEIRO DE RECURSOS GENÉTICOS, 2., 2012, Belém, PA. Anais... Brasília, DF: Sociedade Brasileira de Recursos Genéticos, 2012. 1 CD-ROM.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 56. | | ALVES, A. A. C.; MENDES, R. A.; FREGENE, M.; BELLOTTI, A. Experiências em pré-melhoramento de mandioca : utilização do potencial de espécies silvestres de mandioca como fonte de resistência a estresses bióticos e abióticos. In: LOPES, M. A.; FÁVERO, A. P. FERREIRA, M. A. J. da; FALEIRO, F. G. (Org.). Curso internacional de pré-melhoramento de plantas. Brasília, DF : Embrapa Recursos Genéticos e Biotecnologia, 2006. p. 143-146. (Embrapa Recursos Genéticos e Biotecnologia. Documentos, 185).| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 57. | | RODRIGUES, L.; ALVES, A. A. C.; PAIVA, L.; PAIVA, R.; ELLIS, D.; JENDEREK, M. Evaluation of cryogenic procedures for cryopreservation of cassava genotypes. In: ASA-CSSA-SSSA INTERNATIONAL ANNUAL MEETINGS, 2011, San Antonio. Fundamental for life: soil, crop, and environmental sciences: abstracts. Madison: ASA: CSSA: SSSA, 2011. Anais web.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
01/02/2017 |
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Data da última atualização: |
08/02/2017 |
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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: |
CRUZ, J. L.; ALVES, A. A. C.; LECAIN, D. R.; ELLIS, D. D.; MORGAN, J. A. |
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Afiliação: |
JAILSON LOPES CRUZ, CNPMF; ALFREDO AUGUSTO CUNHA ALVES, CNPMF; DANIEL R. LECAIN, USDA-ARS; DAVID D. ELLIS, International Potato Center; JACK A. MORGAN, USDA-ARS. |
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Título: |
Elevated CO2 concentrations alleviate the inhibitory effect of drought on physiology and growth of cassava plants. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Scientia Horticulturae, v. 210 p. 122?129, 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
Due to the rise in anthropogenic greenhouse gas concentrations, the earth's climate is expected to change, with precipitation being reduced in some areas resulting in growth-limiting drought and, as a consequence, reduced plant productivity. We investigated the physiological and growth responses of cassava (Manihot esculenta Crantz) to approximate present-day ambient (390 ?L L?1) and elevated (750 ?L L?1) atmospheric CO2 concentrations under well-watered and water deficit conditions, aiming at understanding how cassava would face those problems. Water deficits led to reductions in the Leaf Elongation Rate of plants grown at ambient as well as CO2-enriched concentrations. However, plants grown at 750 ?L L?1 of CO2 maintained leaf growth two days longer than plants grown at 390 ?L L?1. Three Days After Withholding Water (DAWW), photosynthesis and stomatal conductance were reduced in plants grown under ambient CO2, while in plants under an elevated CO2 concentration, these physiological functions remained similar to that of control plants grown under good water availability. Five DAWW plants grown with 750 ?L L?1 continued to have enhanced gas exchange compared with plants grown under 390 ?L L?1. Under drought stress, the instantaneous transpiration efficiency was always greatest for plants grown under elevated CO2. The positive response of elevated CO2 levels on total dry mass was 61% in the water-stressed plants and only 20% for the plants grown under good water availability. Stomatal limitation was an important factor reducing CO2 assimilation in cassava growing under drought conditions. MenosDue to the rise in anthropogenic greenhouse gas concentrations, the earth's climate is expected to change, with precipitation being reduced in some areas resulting in growth-limiting drought and, as a consequence, reduced plant productivity. We investigated the physiological and growth responses of cassava (Manihot esculenta Crantz) to approximate present-day ambient (390 ?L L?1) and elevated (750 ?L L?1) atmospheric CO2 concentrations under well-watered and water deficit conditions, aiming at understanding how cassava would face those problems. Water deficits led to reductions in the Leaf Elongation Rate of plants grown at ambient as well as CO2-enriched concentrations. However, plants grown at 750 ?L L?1 of CO2 maintained leaf growth two days longer than plants grown at 390 ?L L?1. Three Days After Withholding Water (DAWW), photosynthesis and stomatal conductance were reduced in plants grown under ambient CO2, while in plants under an elevated CO2 concentration, these physiological functions remained similar to that of control plants grown under good water availability. Five DAWW plants grown with 750 ?L L?1 continued to have enhanced gas exchange compared with plants grown under 390 ?L L?1. Under drought stress, the instantaneous transpiration efficiency was always greatest for plants grown under elevated CO2. The positive response of elevated CO2 levels on total dry mass was 61% in the water-stressed plants and only 20% for the plants grown under good water availability.... Mostrar Tudo |
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Thesagro: |
Mandioca. |
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Thesaurus NAL: |
Cassava. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02191naa a2200193 a 4500
001 2062496
005 2017-02-08
008 2016 bl uuuu u00u1 u #d
100 1 $aCRUZ, J. L.
245 $aElevated CO2 concentrations alleviate the inhibitory effect of drought on physiology and growth of cassava plants.$h[electronic resource]
260 $c2016
520 $aDue to the rise in anthropogenic greenhouse gas concentrations, the earth's climate is expected to change, with precipitation being reduced in some areas resulting in growth-limiting drought and, as a consequence, reduced plant productivity. We investigated the physiological and growth responses of cassava (Manihot esculenta Crantz) to approximate present-day ambient (390 ?L L?1) and elevated (750 ?L L?1) atmospheric CO2 concentrations under well-watered and water deficit conditions, aiming at understanding how cassava would face those problems. Water deficits led to reductions in the Leaf Elongation Rate of plants grown at ambient as well as CO2-enriched concentrations. However, plants grown at 750 ?L L?1 of CO2 maintained leaf growth two days longer than plants grown at 390 ?L L?1. Three Days After Withholding Water (DAWW), photosynthesis and stomatal conductance were reduced in plants grown under ambient CO2, while in plants under an elevated CO2 concentration, these physiological functions remained similar to that of control plants grown under good water availability. Five DAWW plants grown with 750 ?L L?1 continued to have enhanced gas exchange compared with plants grown under 390 ?L L?1. Under drought stress, the instantaneous transpiration efficiency was always greatest for plants grown under elevated CO2. The positive response of elevated CO2 levels on total dry mass was 61% in the water-stressed plants and only 20% for the plants grown under good water availability. Stomatal limitation was an important factor reducing CO2 assimilation in cassava growing under drought conditions.
650 $aCassava
650 $aMandioca
700 1 $aALVES, A. A. C.
700 1 $aLECAIN, D. R.
700 1 $aELLIS, D. D.
700 1 $aMORGAN, J. A.
773 $tScientia Horticulturae$gv. 210 p. 122?129, 2016.
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