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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
11/09/2002 |
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Data da última atualização: |
13/11/2018 |
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Autoria: |
CRAVIOTTO, R. M.; YOLDJIAN, A. M.; SALINAS, A. R.; ARANGO, M. R.; BISARO, V.; MATURO, H. |
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Afiliação: |
Roque Mario Craviotto, Instituto Nacional de Tecnología Agropecuaria - INTA/Estación Experimental Agropecuaria; Ana Maria Yoldjian, Instituto Nacional de Tecnología Agropecuaria - INTA/Estación Experimental Agropecuaria; Adriana Rita Salinas, Universidad Nacional de Rosario/Facultad de Ciencias Agrarias; Miriam Raquel Arango, Instituto Nacional de Tecnología Agropecuaria - INTA/Estación Experimental Agropecuaria; Vilma Bisaro, Universidad Nacional de Rosario/Facultad de Ciencias Agrarias; Hernán Maturo, Universidad Nacional de Rosario/Facultad de Ciencias Agrarias. |
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Título: |
Description of a pure seed fraction of oat through usual evaluations and radiographic images. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 37, n. 8, p. 1183-1188, ago. 2002 |
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Idioma: |
Inglês |
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Notas: |
Título em português: Descrição de uma fração pura de sementes de aveia por meio de avaliações usuais e por imagens radiográficas. |
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Conteúdo: |
The objective of this work was to evaluate the width and length incidence in a single seed fraction of oat [Avena sativa (L.)] cv. Cristal. The seeds were selected by a mechanical divider and by hand, and their correspondence to radiographic images in seeds with glumes and their caryopses. The width and length of the seeds with glumes and their caryopses were measured with electronic calliper, and their weight, with precision balance. Radiographic images of seeds with glumes were taken with an X-ray experimental equipment. The analyst selected seeds with glumes by the width and by the length previously determined and so with more weight, than that obtained by hand selection was slightly narrower, larger and lighter. The presence of the glumes masked the caryopses real dimensions (width and length), and conduced the analyst to select seeds that differed more by the width than by the length. The radiographic images showed the presence, or not, of caryopses inside the seed and its real dimensions. The mechanical partition method for seeds showed to be more efficient because the analyst subjectivity was not considered when the selection upon its dimensions was done. The X-ray analysis was a useful tool that complements the pure seed fraction selection as another factor of seed quality. |
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Palavras-Chave: |
agronomic characters; qualidade da semente; raios X; X-rays. |
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Thesagro: |
Avena Sativa; Características Agronômicas. |
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Thesaurus Nal: |
seed quality. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/23452/1/pab1120.pdf
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Marc: |
LEADER 02235naa a2200277 a 4500
001 1108319
005 2018-11-13
008 2002 bl uuuu u00u1 u #d
100 1 $aCRAVIOTTO, R. M.
245 $aDescription of a pure seed fraction of oat through usual evaluations and radiographic images.
260 $c2002
500 $aTítulo em português: Descrição de uma fração pura de sementes de aveia por meio de avaliações usuais e por imagens radiográficas.
520 $aThe objective of this work was to evaluate the width and length incidence in a single seed fraction of oat [Avena sativa (L.)] cv. Cristal. The seeds were selected by a mechanical divider and by hand, and their correspondence to radiographic images in seeds with glumes and their caryopses. The width and length of the seeds with glumes and their caryopses were measured with electronic calliper, and their weight, with precision balance. Radiographic images of seeds with glumes were taken with an X-ray experimental equipment. The analyst selected seeds with glumes by the width and by the length previously determined and so with more weight, than that obtained by hand selection was slightly narrower, larger and lighter. The presence of the glumes masked the caryopses real dimensions (width and length), and conduced the analyst to select seeds that differed more by the width than by the length. The radiographic images showed the presence, or not, of caryopses inside the seed and its real dimensions. The mechanical partition method for seeds showed to be more efficient because the analyst subjectivity was not considered when the selection upon its dimensions was done. The X-ray analysis was a useful tool that complements the pure seed fraction selection as another factor of seed quality.
650 $aseed quality
650 $aAvena Sativa
650 $aCaracterísticas Agronômicas
653 $aagronomic characters
653 $aqualidade da semente
653 $araios X
653 $aX-rays
700 1 $aYOLDJIAN, A. M.
700 1 $aSALINAS, A. R.
700 1 $aARANGO, M. R.
700 1 $aBISARO, V.
700 1 $aMATURO, H.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 37, n. 8, p. 1183-1188, ago. 2002
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pantanal. Para informações adicionais entre em contato com cpap.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
30/11/2000 |
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Data da última atualização: |
31/03/2017 |
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Autoria: |
SERENO, J. R. B.; PELLEGRIN, A. O.; LARA, M. A. C.; ABREU, U. G. P. de; SERENO, F. T. P. S.; CHALITA, L. V. A. S. |
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Afiliação: |
Embrapa Pantanal (Corumba, MS); Agencia Espanhola de Cooperacion Internacional (AECI); Instituto de Zootecnia (Nova Odessa, SP); Universidad de Cordoba (Espanha); UNESP-IB (Botucatu, SP). |
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Título: |
Study of age and weight at first breeding of pantaneira, nelore and 1/2 pantaneira x nelore heifers in the Brazilian Pantanal. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
In: GLOBAL CONFERENCE ON CONSERVATION OF DOMESTIC ANIMAL GENETIC RESOURCES, 5., 2000, Brasilia. Proceedings... Brasilia: Embrapa Genetic Resources and Biotechnology, 2000. CD-ROM. (Embrapa Genetic Resources and Biotechnology. Document, 49). |
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Páginas: |
(P-82). |
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Idioma: |
Inglês |
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Conteúdo: |
The Pantanal is considered to be one of the largest Brazilian regions (114 million km2) of beef-cattle cow-calf production, where the activity is extensively developed on native pastures with a stocking rate of 0.27 AU/ha. The beef cattle exploitation is of fundamental importance to the development and conservation of the Pantanal ecosystem, since it represents the main income of the local producers, who practice, in their great majority, ecological meat production. This practice utilizers in a rational manner the natural resources of the region to produce meat free of chemical additives, known as green meat, produced exclusively on natural pastures. The objetive of this study was to estimate the age and weight at first breeding of yearling heifers of the breeds Pantaneira (P), Nelore (N) and 1/2 Pantaneira x Nelore (PxN). |
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Palavras-Chave: |
Bovine. |
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Thesagro: |
Criação; Recurso Genético; Reprodução Animal. |
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Thesaurus NAL: |
animal genetic resources; animal reproduction; breeding season; Pantanal. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01876naa a2200289 a 4500
001 1804366
005 2017-03-31
008 2000 bl --- 0-- u #d
100 1 $aSERENO, J. R. B.
245 $aStudy of age and weight at first breeding of pantaneira, nelore and 1/2 pantaneira x nelore heifers in the Brazilian Pantanal.
260 $c2000
300 $a(P-82).
520 $aThe Pantanal is considered to be one of the largest Brazilian regions (114 million km2) of beef-cattle cow-calf production, where the activity is extensively developed on native pastures with a stocking rate of 0.27 AU/ha. The beef cattle exploitation is of fundamental importance to the development and conservation of the Pantanal ecosystem, since it represents the main income of the local producers, who practice, in their great majority, ecological meat production. This practice utilizers in a rational manner the natural resources of the region to produce meat free of chemical additives, known as green meat, produced exclusively on natural pastures. The objetive of this study was to estimate the age and weight at first breeding of yearling heifers of the breeds Pantaneira (P), Nelore (N) and 1/2 Pantaneira x Nelore (PxN).
650 $aanimal genetic resources
650 $aanimal reproduction
650 $abreeding season
650 $aPantanal
650 $aCriação
650 $aRecurso Genético
650 $aReprodução Animal
653 $aBovine
700 1 $aPELLEGRIN, A. O.
700 1 $aLARA, M. A. C.
700 1 $aABREU, U. G. P. de
700 1 $aSERENO, F. T. P. S.
700 1 $aCHALITA, L. V. A. S.
773 $tIn: GLOBAL CONFERENCE ON CONSERVATION OF DOMESTIC ANIMAL GENETIC RESOURCES, 5., 2000, Brasilia. Proceedings... Brasilia: Embrapa Genetic Resources and Biotechnology, 2000. CD-ROM. (Embrapa Genetic Resources and Biotechnology. Document, 49).
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