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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
18/10/2021 |
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Data da última atualização: |
18/10/2021 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
SIMEONE, M. L. F.; MAGALHAES, P. C.; CARNEIRO, N. P.; GOMES JÚNIOR, C. C.; AVILA, R. G.; SOUZA, T. C. de; OLIVEIRA, A. C. de. |
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Afiliação: |
MARIA LUCIA FERREIRA SIMEONE, CNPMS; PAULO CESAR MAGALHAES, CNPMS; NEWTON PORTILHO CARNEIRO, CNPMS; CARLOS CÉSAR GOMES JÚNIOR, Universidade Federal de Alfenas; RONIEL GERALDO AVILA, Instituto Federal Goiano; THIAGO CORRÊA DE SOUZA, Universidade Federal de Alfenas; ANTONIO CARLOS DE OLIVEIRA, CNPMS. |
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Título: |
Ecophysiological characterization of sorghum genotypes submitted to water deficit tolerance. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
In: GOES, R. J. (org.). Cadeias produtivas e novas tecnologias: aspectos econômicos, ecológicos e sociais. Ponta Grossa: Atena, 2021. |
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Páginas: |
p. 69-83. |
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Idioma: |
Inglês |
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Conteúdo: |
Sorghum [Sorghum bicolor (L.)] is one of the most drought tolerant cereal and many studies have been done to understand the mechanisms involved in this process. In this work, we evaluated in the greenhouse the effects of different levels of water stress on the ecophysiological characteristics and accumulation of soluble sugars in two contrasting sorghum [Sorghum bicolor (L.) Moench] inbred lines for drought tolerance: 9910032 (tolerant) and 9618158 (sensitive). Water stress was imposed in both genotypes at pre-flowering growth stage for two different time exposure: mild (6 days of drought); severe (12 days). Recovery treatments for each drought treatment were also done at six days after the stress. Sensitive and tolerant genotypes showed lower stomatal conductance and leaf water potential for all types of stress when compared to irrigated treatments. An increase in total soluble sugar content was observed in leafs of the two sorghum genotypes however higher in the tolerant line. Overall, the genotype 9910032 presented higher photosynthetic rate and grain yield in relation to the sensitive genotype 9615818, in the same water condition. These results indicated that sugar content is modified under water deficit conditions indicating that if might be involved in plant protection. |
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Palavras-Chave: |
Açúcares solúveis; Caracterização ecofisiológica; Déficit hídrico; Taxa fotossintética. |
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Thesagro: |
Deficiência Hídrica; Evapotranspiração; Grão; Rendimento; Resistência a Seca; Sorgo. |
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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/227013/1/Ecophysiological-characterization.pdf
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Marc: |
LEADER 02336naa a2200325 a 4500
001 2135400
005 2021-10-18
008 2021 bl uuuu u00u1 u #d
100 1 $aSIMEONE, M. L. F.
245 $aEcophysiological characterization of sorghum genotypes submitted to water deficit tolerance.$h[electronic resource]
260 $c2021
300 $ap. 69-83.
520 $aSorghum [Sorghum bicolor (L.)] is one of the most drought tolerant cereal and many studies have been done to understand the mechanisms involved in this process. In this work, we evaluated in the greenhouse the effects of different levels of water stress on the ecophysiological characteristics and accumulation of soluble sugars in two contrasting sorghum [Sorghum bicolor (L.) Moench] inbred lines for drought tolerance: 9910032 (tolerant) and 9618158 (sensitive). Water stress was imposed in both genotypes at pre-flowering growth stage for two different time exposure: mild (6 days of drought); severe (12 days). Recovery treatments for each drought treatment were also done at six days after the stress. Sensitive and tolerant genotypes showed lower stomatal conductance and leaf water potential for all types of stress when compared to irrigated treatments. An increase in total soluble sugar content was observed in leafs of the two sorghum genotypes however higher in the tolerant line. Overall, the genotype 9910032 presented higher photosynthetic rate and grain yield in relation to the sensitive genotype 9615818, in the same water condition. These results indicated that sugar content is modified under water deficit conditions indicating that if might be involved in plant protection.
650 $aDeficiência Hídrica
650 $aEvapotranspiração
650 $aGrão
650 $aRendimento
650 $aResistência a Seca
650 $aSorgo
653 $aAçúcares solúveis
653 $aCaracterização ecofisiológica
653 $aDéficit hídrico
653 $aTaxa fotossintética
700 1 $aMAGALHAES, P. C.
700 1 $aCARNEIRO, N. P.
700 1 $aGOMES JÚNIOR, C. C.
700 1 $aAVILA, R. G.
700 1 $aSOUZA, T. C. de
700 1 $aOLIVEIRA, A. C. de
773 $tIn: GOES, R. J. (org.). Cadeias produtivas e novas tecnologias: aspectos econômicos, ecológicos e sociais. Ponta Grossa: Atena, 2021.
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
08/12/2023 |
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Data da última atualização: |
08/12/2023 |
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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: |
CORRÊA, T.; PICOLI, E. A. de T.; PEREIRA, W. L.; CONDÉ, S. A.; RESENDE, R. T.; RESENDE, M. D. V. de; COSTA, W. G. da; CRUZ, C. D.; ZAUZA, E. A. V. |
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Afiliação: |
THAIS R. CORRÊA, UNIVERSIDADE ESTADUAL DO MARANHÃO; EDGARD AUGUSTO DE T. PICOLI, UNIVERSIDADE FEDERAL DE VIÇOSA; WASHINGTON LUIZ PEREIRA, UNIVERSIDADE FEDERAL DE VIÇOSA; SAMYRA A. CONDÉ, UNIVERSIDADE FEDERAL DE VIÇOSA; RAFAEL T. RESENDE, UNIVERSIDADE FEDERAL DE GOIÁS; MARCOS DEON VILELA DE RESENDE, CNPCa; WEVERTON GOMES DA COSTA, UNIVERSIDADE FEDERAL DE VIÇOSA; COSME DAMIÃO CRUZ, UNIVERSIDADE FEDERAL DE VIÇOSA; EDIVAL ANGELO V. ZAUZA, SUZANO S/A. |
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Título: |
Very early biomarkers screening for water deficit tolerance in commercial eucalyptus clones. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Agronomy, v. 13, n. 3, 937, 2023. |
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Páginas: |
20 p. |
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DOI: |
https://doi.org/10.3390/agronomy13030937 |
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Idioma: |
Inglês |
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Conteúdo: |
The identification of genotypes more tolerant to water deficit is a challenge to breeding programs. In this research, our objectives were to identify and validate traits for tolerance to water deficit in eucalypts. The estimation of genotypic parameters and early selection are proposed based on mixed models, selection indexes and validation schemes. Seedlings with 110 days were grown in a greenhouse for 12 weeks, and two water deficit treatments were conducted (polyethylene glycol and water limitation). A total of 26 biomarkers were evaluated, and 15 of them were significant, exhibited adequate heritability, and used for screening: final plant height, increment in height, increment in diameter, area of mature and fully expanded leaf, nutrient contents of N, K, Ca, Mg, S, Cu, Zn, Mn and B, photosynthesis (A) and stomatal conductance (gs). Both treatments were adequate to discriminate water deficit-tolerant clones. The ranking of tolerant clones according to their phenotype in the field demonstrates the potential for early selection and is consistent with the maintenance of water-deficit-tolerance mechanisms until adulthood. There is evidence that the choice of biomarker depends on the species involved and different strategies contributing to the tolerance trait. |
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Thesaurus NAL: |
Drought; Early selection; Eucalyptus; Phenomics; Plant breeding. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1159348/1/Very-Early-Biomarkers-Screening.pdf
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Marc: |
LEADER 02132naa a2200301 a 4500
001 2159348
005 2023-12-08
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.3390/agronomy13030937$2DOI
100 1 $aCORRÊA, T.
245 $aVery early biomarkers screening for water deficit tolerance in commercial eucalyptus clones.$h[electronic resource]
260 $c2023
300 $a20 p.
520 $aThe identification of genotypes more tolerant to water deficit is a challenge to breeding programs. In this research, our objectives were to identify and validate traits for tolerance to water deficit in eucalypts. The estimation of genotypic parameters and early selection are proposed based on mixed models, selection indexes and validation schemes. Seedlings with 110 days were grown in a greenhouse for 12 weeks, and two water deficit treatments were conducted (polyethylene glycol and water limitation). A total of 26 biomarkers were evaluated, and 15 of them were significant, exhibited adequate heritability, and used for screening: final plant height, increment in height, increment in diameter, area of mature and fully expanded leaf, nutrient contents of N, K, Ca, Mg, S, Cu, Zn, Mn and B, photosynthesis (A) and stomatal conductance (gs). Both treatments were adequate to discriminate water deficit-tolerant clones. The ranking of tolerant clones according to their phenotype in the field demonstrates the potential for early selection and is consistent with the maintenance of water-deficit-tolerance mechanisms until adulthood. There is evidence that the choice of biomarker depends on the species involved and different strategies contributing to the tolerance trait.
650 $aDrought
650 $aEarly selection
650 $aEucalyptus
650 $aPhenomics
650 $aPlant breeding
700 1 $aPICOLI, E. A. de T.
700 1 $aPEREIRA, W. L.
700 1 $aCONDÉ, S. A.
700 1 $aRESENDE, R. T.
700 1 $aRESENDE, M. D. V. de
700 1 $aCOSTA, W. G. da
700 1 $aCRUZ, C. D.
700 1 $aZAUZA, E. A. V.
773 $tAgronomy$gv. 13, n. 3, 937, 2023.
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Registro original: |
Embrapa Café (CNPCa) |
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