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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
19/01/2012 |
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Data da última atualização: |
19/01/2012 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
MEDEIROS NETO, C.; BARBOSA, R. A.; MIQUELOTO, T.; MARTINS, C. D. M. |
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Afiliação: |
CAUBY DE MEDEIROS NETO, UFMS; RODRIGO AMORIM BARBOSA, CNPGC; UDESC.; UFMS. |
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Título: |
Avaliação de acessos de Panicum maximum Jacq. sob pastejo. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
In: JORNADA CIENTÍFICA EMBRAPA GADO DE CORTE, 7., 2011, CAMPO GRANDE, MS. [Anais da]... Campo Grande, MS: Embrapa Gado de Corte, 2011. |
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Idioma: |
Português |
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Conteúdo: |
Assim, objetivou-se avaliar os atributos produtivos e o desempenho animal do híbrido H64, acesso T65 e da cultivar Mombaça de Panicum maximum Jacq. sob lotação rotativa. |
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Palavras-Chave: |
Forrageira; Mombaça; Panicum maximum Jacq. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00803naa a2200193 a 4500
001 1912947
005 2012-01-19
008 2011 bl uuuu u00u1 u #d
100 1 $aMEDEIROS NETO, C.
245 $aAvaliação de acessos de Panicum maximum Jacq. sob pastejo.$h[electronic resource]
260 $c2011
520 $aAssim, objetivou-se avaliar os atributos produtivos e o desempenho animal do híbrido H64, acesso T65 e da cultivar Mombaça de Panicum maximum Jacq. sob lotação rotativa.
653 $aForrageira
653 $aMombaça
653 $aPanicum maximum Jacq
700 1 $aBARBOSA, R. A.
700 1 $aMIQUELOTO, T.
700 1 $aMARTINS, C. D. M.
773 $tIn: JORNADA CIENTÍFICA EMBRAPA GADO DE CORTE, 7., 2011, CAMPO GRANDE, MS. [Anais da]... Campo Grande, MS: Embrapa Gado de Corte, 2011.
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Registro original: |
Embrapa Gado de Corte (CNPGC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Clima Temperado. |
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Data corrente: |
15/03/2022 |
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Data da última atualização: |
15/03/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 4 |
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Autoria: |
DORNELES, A. O. S.; PEREIRA, A. S.; SILVA, T. B. da; TANIGUCHI, M.; BORTOLIN, G. S.; CASTRO, C. M.; PEREIRA, A. da S.; REISSER JUNIOR, C.; AMARANTE, L. do; HAERTER, J. A.; DUTRA, L. F. |
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Afiliação: |
ATHOS ODIN SEVERO DORNELES; ALINE SOARES PEREIRA; TALIS BASILIO DA SILVA; MARISA TANIGUCHI; GABRIEL STRECK BORTOLIN; CAROLINE MARQUES CASTRO, CPACT; ARIONE DA SILVA PEREIRA, CPACT; CARLOS REISSER JUNIOR, CPACT; LUCIANO DO AMARANTE; JANNI ANDRE HAERTER, CPACT; LEONARDO FERREIRA DUTRA, CPACT. |
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Título: |
Responses of Solanum tuberosum L. to Water Deficit by Matric or Osmotic Induction. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Potato Research, v. 64, p. 515-534, 2021. |
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DOI: |
https://doi.org/10.1007/s11540-020-09489-3 |
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Idioma: |
Inglês |
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Conteúdo: |
Toselectpotatogenotypestoleranttowaterdeficit,systemstosimulatethisstresshavebeen used. Polyethylene glycol (PEG) is the main osmotic agent used for this purpose, but it causes an excessively severe stress. However, it is difficult to carry out an experiment that aims to compare plant responses under water deficit by osmotic or matric induction, and, thus,fewstudiescomparethesestress-inducingmechanisms.Therefore,theobjectiveofthis studywas to compare the responses of Agata, BRS Clara,C2406-03andCota genotypes to water deficit in both induction methods (matric or osmotic). The tests were carried out in a greenhouse, one using hydroponics (osmotic induction) and the other in pots with soil (matric induction). In both tests, the application of stressful conditions occurred at the beginning of tuberization. Assessments of gas exchange and shoot temperature were made throughout the exposure to stress. Also, samples were collected from leaves for analysis of osmotic potential and leaves and tubers for analysis of metabolite content. At the end of the potatoplantcycle,thenumberandweightoftuberswereevaluated.Inbothstressconditions, there were significant reductions in photosynthesis and transpiration rate compared to the respective normal hydration conditions. In addition, indicators such as metabolite levels (proline and soluble sugars) were significantly altered in plants exposed to different stress inductions. These data, together with the significant limitations in the growth of stressed plants, indicate that the experimental models induce similar responses. However, the water deficit by osmotic induction was more severe for the potato plants when compared to stress due to matric induction, mainly affecting tuber production. Therefore, the water deficit osmotic induction model can be recommended for phenotyping tolerance to this stress, due to the hydroponic system inducing greater tuber production per plant under optimal cultivation conditions. MenosToselectpotatogenotypestoleranttowaterdeficit,systemstosimulatethisstresshavebeen used. Polyethylene glycol (PEG) is the main osmotic agent used for this purpose, but it causes an excessively severe stress. However, it is difficult to carry out an experiment that aims to compare plant responses under water deficit by osmotic or matric induction, and, thus,fewstudiescomparethesestress-inducingmechanisms.Therefore,theobjectiveofthis studywas to compare the responses of Agata, BRS Clara,C2406-03andCota genotypes to water deficit in both induction methods (matric or osmotic). The tests were carried out in a greenhouse, one using hydroponics (osmotic induction) and the other in pots with soil (matric induction). In both tests, the application of stressful conditions occurred at the beginning of tuberization. Assessments of gas exchange and shoot temperature were made throughout the exposure to stress. Also, samples were collected from leaves for analysis of osmotic potential and leaves and tubers for analysis of metabolite content. At the end of the potatoplantcycle,thenumberandweightoftuberswereevaluated.Inbothstressconditions, there were significant reductions in photosynthesis and transpiration rate compared to the respective normal hydration conditions. In addition, indicators such as metabolite levels (proline and soluble sugars) were significantly altered in plants exposed to different stress inductions. These data, together with the significant limitations in the growth of... Mostrar Tudo |
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Thesagro: |
Batata; Genótipo; Recurso Hídrico; Stress. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/232554/1/Artigo-Responses-of-Solanum.pdf
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Marc: |
LEADER 02835naa a2200301 a 4500
001 2140920
005 2022-03-15
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s11540-020-09489-3$2DOI
100 1 $aDORNELES, A. O. S.
245 $aResponses of Solanum tuberosum L. to Water Deficit by Matric or Osmotic Induction.$h[electronic resource]
260 $c2021
520 $aToselectpotatogenotypestoleranttowaterdeficit,systemstosimulatethisstresshavebeen used. Polyethylene glycol (PEG) is the main osmotic agent used for this purpose, but it causes an excessively severe stress. However, it is difficult to carry out an experiment that aims to compare plant responses under water deficit by osmotic or matric induction, and, thus,fewstudiescomparethesestress-inducingmechanisms.Therefore,theobjectiveofthis studywas to compare the responses of Agata, BRS Clara,C2406-03andCota genotypes to water deficit in both induction methods (matric or osmotic). The tests were carried out in a greenhouse, one using hydroponics (osmotic induction) and the other in pots with soil (matric induction). In both tests, the application of stressful conditions occurred at the beginning of tuberization. Assessments of gas exchange and shoot temperature were made throughout the exposure to stress. Also, samples were collected from leaves for analysis of osmotic potential and leaves and tubers for analysis of metabolite content. At the end of the potatoplantcycle,thenumberandweightoftuberswereevaluated.Inbothstressconditions, there were significant reductions in photosynthesis and transpiration rate compared to the respective normal hydration conditions. In addition, indicators such as metabolite levels (proline and soluble sugars) were significantly altered in plants exposed to different stress inductions. These data, together with the significant limitations in the growth of stressed plants, indicate that the experimental models induce similar responses. However, the water deficit by osmotic induction was more severe for the potato plants when compared to stress due to matric induction, mainly affecting tuber production. Therefore, the water deficit osmotic induction model can be recommended for phenotyping tolerance to this stress, due to the hydroponic system inducing greater tuber production per plant under optimal cultivation conditions.
650 $aBatata
650 $aGenótipo
650 $aRecurso Hídrico
650 $aStress
700 1 $aPEREIRA, A. S.
700 1 $aSILVA, T. B. da
700 1 $aTANIGUCHI, M.
700 1 $aBORTOLIN, G. S.
700 1 $aCASTRO, C. M.
700 1 $aPEREIRA, A. da S.
700 1 $aREISSER JUNIOR, C.
700 1 $aAMARANTE, L. do
700 1 $aHAERTER, J. A.
700 1 $aDUTRA, L. F.
773 $tPotato Research$gv. 64, p. 515-534, 2021.
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Embrapa Clima Temperado (CPACT) |
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