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Registro Completo |
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
12/01/1998 |
Data da última atualização: |
25/11/2011 |
Autoria: |
PAGANINI FILHO, P.; BICUDO, S. D.; SOUZA, M. I. L.; SOUSA, D. B. |
Título: |
Viabilidade do semen ovino frente a tres diluidores em temperaturas de 37oC e sob refrigeracao. |
Ano de publicação: |
1997 |
Fonte/Imprenta: |
Revista Brasileira de Reproducao Animal, v. 21, n. 2, p. 61-64, 1997. |
Idioma: |
Português |
Notas: |
Anais do 12o. Congresso Brasileiro de Reprodução Animal, 1997. |
Conteúdo: |
O objetivo deste trabalho foi avaliar a qualidade espermatica (motilidade e vigor) de amostras de semen ovino, diluidas em tres diluidores e avaliadas em testes de exaustao de 240 minutos a 37oC, apos armazenamento a 5oC por 0,24 e 48 horas. |
Palavras-Chave: |
Chilled semen; Diluente; Extender; Semen resfriado. |
Thesagro: |
Ovino. |
Thesaurus Nal: |
sheep. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00962naa a2200241 a 4500 001 1517998 005 2011-11-25 008 1997 bl uuuu u00u1 u #d 100 1 $aPAGANINI FILHO, P. 245 $aViabilidade do semen ovino frente a tres diluidores em temperaturas de 37oC e sob refrigeracao. 260 $c1997 500 $aAnais do 12o. Congresso Brasileiro de Reprodução Animal, 1997. 520 $aO objetivo deste trabalho foi avaliar a qualidade espermatica (motilidade e vigor) de amostras de semen ovino, diluidas em tres diluidores e avaliadas em testes de exaustao de 240 minutos a 37oC, apos armazenamento a 5oC por 0,24 e 48 horas. 650 $asheep 650 $aOvino 653 $aChilled semen 653 $aDiluente 653 $aExtender 653 $aSemen resfriado 700 1 $aBICUDO, S. D. 700 1 $aSOUZA, M. I. L. 700 1 $aSOUSA, D. B. 773 $tRevista Brasileira de Reproducao Animal$gv. 21, n. 2, p. 61-64, 1997.
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Embrapa Caprinos e Ovinos (CNPC) |
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Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
25/04/2014 |
Data da última atualização: |
07/05/2014 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 2 |
Autoria: |
MENEZES, V. O.; LOPES, S. J.; TEDESCO, S. B.; HENNING, F. A.; ZEN, H. D.; HENNING, L. M. M. |
Afiliação: |
VANESSA OCOM MENEZES, UFSM; SIDINEI JOSE LOPES, UFSM; SOLANGE BOSIO TEDESCO, UFSM; FERNANDO AUGUSTO HENNING, CNPSO; HUMBERTO DAVI ZEN, UFSM; LILIANE MARCIA MERTZ HENNING, CNPSO. |
Título: |
Cytogenetic analysis of wheat seeds submitted to artificial aging stress. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Journal of Seed Science, Viçosa, MG, v. 36, n. 1, p. 71-78, Mar. 2014. |
ISSN: |
2317-1537 |
DOI: |
10.1590/S2317-15372014000100009 |
Idioma: |
Inglês |
Conteúdo: |
Several studies have been developed to understand the physiology of seed deterioration, however, the initial steps of the deterioration process are not completely clear. Seed vigor and viability losses are also associated with genetic material damage. This study was carried out to detect cytogenetic and physiological alterations occurring during the deterioration process of wheat seeds, due to artificial aging stress. Two cultivars, Ônix and Fundacep Campo Real, were submitted to six different treatments: control (T1), 24 (T2), 48 (T3), 72 (T4), 96 (T5) and 120 (T6) hours under artificial aging conditions: 42 °C and 100% relative humidity. Germination and vigor tests (First Count of Germination, Electrical Conductivity, Seedling Emergence in the Field and Emergence Speed Index) were performed. Cytogenetic evaluations were performed through smear technique for root tips, stained with 2% acetic orcein. Total number of cells under division and mitotic index (MI) were determined. According to results, vigor and mitotic index were affected due to deterioration process induced by artificial aging stress. A reduced number of dividing cells were observed in seeds submitted to prolonged period of aging. Chromosomal abnormalities in mitotic cells of aged seeds were detected with the occurrence of micronuclei, chromosome breaks and bridges. |
Thesagro: |
Deterioração; Semente; Trigo. |
Thesaurus NAL: |
Deterioration; Seeds; Wheat. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/101458/1/Cytogenetic-analysis-of-wheat-seeds-submitted-to-artificial-aging-stress.pdf
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Marc: |
LEADER 02104naa a2200277 a 4500 001 1985154 005 2014-05-07 008 2014 bl uuuu u00u1 u #d 022 $a2317-1537 024 7 $a10.1590/S2317-15372014000100009$2DOI 100 1 $aMENEZES, V. O. 245 $aCytogenetic analysis of wheat seeds submitted to artificial aging stress. 260 $c2014 520 $aSeveral studies have been developed to understand the physiology of seed deterioration, however, the initial steps of the deterioration process are not completely clear. Seed vigor and viability losses are also associated with genetic material damage. This study was carried out to detect cytogenetic and physiological alterations occurring during the deterioration process of wheat seeds, due to artificial aging stress. Two cultivars, Ônix and Fundacep Campo Real, were submitted to six different treatments: control (T1), 24 (T2), 48 (T3), 72 (T4), 96 (T5) and 120 (T6) hours under artificial aging conditions: 42 °C and 100% relative humidity. Germination and vigor tests (First Count of Germination, Electrical Conductivity, Seedling Emergence in the Field and Emergence Speed Index) were performed. Cytogenetic evaluations were performed through smear technique for root tips, stained with 2% acetic orcein. Total number of cells under division and mitotic index (MI) were determined. According to results, vigor and mitotic index were affected due to deterioration process induced by artificial aging stress. A reduced number of dividing cells were observed in seeds submitted to prolonged period of aging. Chromosomal abnormalities in mitotic cells of aged seeds were detected with the occurrence of micronuclei, chromosome breaks and bridges. 650 $aDeterioration 650 $aSeeds 650 $aWheat 650 $aDeterioração 650 $aSemente 650 $aTrigo 700 1 $aLOPES, S. J. 700 1 $aTEDESCO, S. B. 700 1 $aHENNING, F. A. 700 1 $aZEN, H. D. 700 1 $aHENNING, L. M. M. 773 $tJournal of Seed Science, Viçosa, MG$gv. 36, n. 1, p. 71-78, Mar. 2014.
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