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Registro Completo |
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
05/04/2010 |
Data da última atualização: |
16/05/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
KOPP, M. M.; LUZ, B. K. da; SOUZA, V. Q. de; COIMBRA, J. L. M.; SOUSA, R. O. de; CARVALHO, F. E. F. de; OLIVEIRA, A. C. de. |
Afiliação: |
MAURICIO MARINI KOPP, CNPGL; VIVIANE KOPP DA LUZ, UNIVERSIDADE FEDERAL DE PELOTAS; VELCI QUEIRÓZ DE SOUZA, UFSM; JEFFERSON LUIS MEIRELLES COIMBRA, UNIVERSIDADE DO ESTADO DE SANTA CATARINA; ROGÉRIO OLIVEIRA DE SOUSA, UNIVERSIDADE FEDERAL DE PELOTAS; FERNANDO IRAJÁ FÉLIX DE, UNIVERSIDADE FEDERAL DE PELOTAS; ANTONIO COSTA DE OLIVEIRA, UNIVERSIDADE FEDERAL DE PELOTAS. |
Título: |
Methodology adjustments for organic acid tolerance studies in oat under hydroponic systems. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
Brazilian Archives of Biology and Technology, v. 52, n. 3, p. 531-539, 2009. |
DOI: |
https://doi.org/10.1590/S1516-89132009000300003 |
Idioma: |
Inglês |
Conteúdo: |
The occurrence of anaerobic conditions in hydromorphic soils favors the development of anaerobic microorganisms that produce phytotoxic substances representing primarily by organic acids. The selection of promising oat (Avena sativa L.) genotypes for use in those situations requires field evaluations that can be cumbersome, making hydroponics a viable alternative. The objective of this work was to adjust a methodology to use in studies of tolerance to organic acids in oat under hydroponic systems. For such goal, the best germination system was determined in order to reduce the seedling initial establishment effects under hydroponics, the ideal concentration for screening genotypes and the best variable for stress evaluation. It was found that the most efficient germination system was "pleated germination paper" with small and husked seeds. The best concentration for studying organic acid tolerance ranged from 2.3 to 6.2 mM and the most suitable variable for the evaluation was root length. |
Palavras-Chave: |
Genetic breeding; Levels. |
Thesaurus Nal: |
abiotic stress; phytotoxicity. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/663165/1/Methodology-adjustments-for-organic-acid-tolerance-studies-in-oat-under-hydroponic-systems.pdf
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Marc: |
LEADER 01802naa a2200253 a 4500 001 1663165 005 2024-05-16 008 2009 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1590/S1516-89132009000300003$2DOI 100 1 $aKOPP, M. M. 245 $aMethodology adjustments for organic acid tolerance studies in oat under hydroponic systems.$h[electronic resource] 260 $c2009 520 $aThe occurrence of anaerobic conditions in hydromorphic soils favors the development of anaerobic microorganisms that produce phytotoxic substances representing primarily by organic acids. The selection of promising oat (Avena sativa L.) genotypes for use in those situations requires field evaluations that can be cumbersome, making hydroponics a viable alternative. The objective of this work was to adjust a methodology to use in studies of tolerance to organic acids in oat under hydroponic systems. For such goal, the best germination system was determined in order to reduce the seedling initial establishment effects under hydroponics, the ideal concentration for screening genotypes and the best variable for stress evaluation. It was found that the most efficient germination system was "pleated germination paper" with small and husked seeds. The best concentration for studying organic acid tolerance ranged from 2.3 to 6.2 mM and the most suitable variable for the evaluation was root length. 650 $aabiotic stress 650 $aphytotoxicity 653 $aGenetic breeding 653 $aLevels 700 1 $aLUZ, B. K. da 700 1 $aSOUZA, V. Q. de 700 1 $aCOIMBRA, J. L. M. 700 1 $aSOUSA, R. O. de 700 1 $aCARVALHO, F. E. F. de 700 1 $aOLIVEIRA, A. C. de 773 $tBrazilian Archives of Biology and Technology$gv. 52, n. 3, p. 531-539, 2009.
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Registro original: |
Embrapa Gado de Leite (CNPGL) |
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Registro Completo
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
23/08/2017 |
Data da última atualização: |
23/09/2019 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
SOUZA-FABJAN, J. M. G.; BALARO, M. F. A.; BARBOSA, T. G. B.; FONSECA, J. F. da; FIGUEIRA, L. M.; TEIXEIRA, T. A.; CARVALHEIRA, L. R.; BRANDÃO, F. Z. |
Afiliação: |
Fluminense Federal University (UFF) - Niteroi, RJ, Brazil; JEFERSON FERREIRA DA FONSECA, CNPC. |
Título: |
GnRH potential to synchronize follicular emergence and ovulation prior to superovulatory day 0 protocol in sheep. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
Animal Reproduction, v. 12, n. 3, p. 712, Jul./Sept. 2015. |
Idioma: |
Inglês |
Notas: |
Proceedings of the 29th Annual Meeting of the Brazilian Embryo Technology Society (SBTE); Gramado, RS, Brazil, August 20th to 23rd, 2015, and 31st Meeting of the European Embryo Transfer Association (AETE); Ghent, Belgium,
September 11th and 12th, 2015. |
Conteúdo: |
The role of GnRH to synchronize ovulation and follicular emergence previous to superovulatory protocol, started on the first day of the estrous cycle (Day 0), was assessed in Santa Inês ewes. For estrus synchronization, 60 mg medroxyprogesterone acetate sponges were used for 6 d plus 37.5 ?g d-cloprostenol and 300 IU eCG at fifth day. After sponge removal, ewes were assigned to three treatments: GControl ? saline at 12 h (n = 10); G24h ? GnRH at 24 h (n = 10); or G36h ? GnRH at 36 h (n = 9). In conclusion, considering the beneficial effects of G36h in synchronizing ovulation and to promote the absence of dominant follicles in the first days of estrous cycle. According to data obtained, the best time to start the superovulatory treatment, known as "Day 0", could be 80 h after sponge removal (56 h for the occurrence of ovulation plus 24 h to reset dominant follicles), in the induction of synchronized estrus, for Santa Inês ewes. |
Palavras-Chave: |
Lecirelin; MOET; Oestrous cycle; Santa Inês; Synchronization. |
Thesagro: |
Ciclo estral; Estradiol; Ovino; Ovulação; Progesterona; Reprodução animal; Superovulação. |
Thesaurus NAL: |
Ewes; Ovulation; Progesterone; Reproduction; Sheep; Superovulation. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/162914/1/cnpc-2015-GnRH-potential.pdf
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Marc: |
LEADER 02353nam a2200421 a 4500 001 2074286 005 2019-09-23 008 2015 bl uuuu u00u1 u #d 100 1 $aSOUZA-FABJAN, J. M. G. 245 $aGnRH potential to synchronize follicular emergence and ovulation prior to superovulatory day 0 protocol in sheep.$h[electronic resource] 260 $aAnimal Reproduction, v. 12, n. 3, p. 712, Jul./Sept. 2015.$c2015 500 $aProceedings of the 29th Annual Meeting of the Brazilian Embryo Technology Society (SBTE); Gramado, RS, Brazil, August 20th to 23rd, 2015, and 31st Meeting of the European Embryo Transfer Association (AETE); Ghent, Belgium, September 11th and 12th, 2015. 520 $aThe role of GnRH to synchronize ovulation and follicular emergence previous to superovulatory protocol, started on the first day of the estrous cycle (Day 0), was assessed in Santa Inês ewes. For estrus synchronization, 60 mg medroxyprogesterone acetate sponges were used for 6 d plus 37.5 ?g d-cloprostenol and 300 IU eCG at fifth day. After sponge removal, ewes were assigned to three treatments: GControl ? saline at 12 h (n = 10); G24h ? GnRH at 24 h (n = 10); or G36h ? GnRH at 36 h (n = 9). In conclusion, considering the beneficial effects of G36h in synchronizing ovulation and to promote the absence of dominant follicles in the first days of estrous cycle. According to data obtained, the best time to start the superovulatory treatment, known as "Day 0", could be 80 h after sponge removal (56 h for the occurrence of ovulation plus 24 h to reset dominant follicles), in the induction of synchronized estrus, for Santa Inês ewes. 650 $aEwes 650 $aOvulation 650 $aProgesterone 650 $aReproduction 650 $aSheep 650 $aSuperovulation 650 $aCiclo estral 650 $aEstradiol 650 $aOvino 650 $aOvulação 650 $aProgesterona 650 $aReprodução animal 650 $aSuperovulação 653 $aLecirelin 653 $aMOET 653 $aOestrous cycle 653 $aSanta Inês 653 $aSynchronization 700 1 $aBALARO, M. F. A. 700 1 $aBARBOSA, T. G. B. 700 1 $aFONSECA, J. F. da 700 1 $aFIGUEIRA, L. M. 700 1 $aTEIXEIRA, T. A. 700 1 $aCARVALHEIRA, L. R. 700 1 $aBRANDÃO, F. Z.
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Embrapa Caprinos e Ovinos (CNPC) |
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