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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
08/01/2013 |
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Data da última atualização: |
26/02/2016 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
DIAS, M.; DEL SANTO, V. R.; SOUZA, G. B. de. |
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Afiliação: |
VICTOR ROGERIO DEL SANTO, CPPSE; GILBERTO BATISTA DE SOUZA, CPPSE. |
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Título: |
Avaliação de espectros de nirs de diferentes espécies e cultivares de brachiária por meio de análises de componentes principais. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
In: WORKSHOP DA REDE NIR EMBRAPA, 2., 2012, João Pessoa. Anais... Sete lagoas: Embrapa Milho e Sorgo, 2012. |
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Páginas: |
1p. |
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Idioma: |
Português |
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Palavras-Chave: |
NIR; PCA. |
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Thesagro: |
Brachiaria. |
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Categoria do assunto: |
W Química e Física |
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Marc: |
LEADER 00573nam a2200169 a 4500
001 1944462
005 2016-02-26
008 2012 bl uuuu u00u1 u #d
100 1 $aDIAS, M.
245 $aAvaliação de espectros de nirs de diferentes espécies e cultivares de brachiária por meio de análises de componentes principais.
260 $aIn: WORKSHOP DA REDE NIR EMBRAPA, 2., 2012, João Pessoa. Anais... Sete lagoas: Embrapa Milho e Sorgo$c2012
300 $a1p.
650 $aBrachiaria
653 $aNIR
653 $aPCA
700 1 $aDEL SANTO, V. R.
700 1 $aSOUZA, G. B. de
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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Registro Completo
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
26/12/2017 |
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Data da última atualização: |
26/12/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
COELHO, S. V. B; ROSA, S. D. V. F. da; FERNANDES, J. S. |
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Afiliação: |
STEFANIA VILAS BOAS COELHO, DA/UFLA; STTELA DELLYZETE VEIGA F DA ROSA, SAPC; JOANA SOUZA FERNANDES, DA/UFLA. |
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Título: |
Cryopreservation of coffee seeds: a simplified method. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Seed Science and Techology, v. 45, n. 3, p. 1-12, 2017. |
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Idioma: |
Inglês |
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Conteúdo: |
Coffee seeds are sensitive to desiccation and to storage. Advances in the technique of cryopreservation of these seeds have been achieved in recent years, and the aim of this study was to evaluate Coffea arabica seeds cryopreserved through direct immersion in liquid nitrogen after rapid and slow drying. Seeds of the cultivars ?Arara?, ?Catiguá?, ?Catuaí Amarelo? and ?Mundo Novo? underwent rapid and slow drying to 20% moisture content (dry basis); they were then immersed in liquid nitrogen for 24 hours and after that, reheated in a water bath. C. arabica seeds have better physiological quality after slow drying, but rapid drying is better for cryopreservation of these seeds. The seeds of the cultivars investigated have different levels of tolerance, but all can be cryopreserved; ?Catuaí Amarelo? is the most tolerant and ?Arara? the most sensitive to cryopreservation, regardless of the drying speed. The activity of the enzymes catalase, peroxidase and esterase increased after drying and after cryopreservation. Rapid drying in silica gel to 20% moisture content, followed by direct immersion in liquid nitrogen, allows cryopreservation of coffee seeds in a fast, simple and economical manner. |
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Thesagro: |
Coffea Arábica. |
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Thesaurus NAL: |
Ex situ conservation; Genetic variation; Germplasm; Plant genetic resources. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/169797/1/Cryopreservation-of-coffee-seeds-a-simplified-method.pdf
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Marc: |
LEADER 01805naa a2200205 a 4500
001 2083508
005 2017-12-26
008 2017 bl uuuu u00u1 u #d
100 1 $aCOELHO, S. V. B
245 $aCryopreservation of coffee seeds$ba simplified method.$h[electronic resource]
260 $c2017
520 $aCoffee seeds are sensitive to desiccation and to storage. Advances in the technique of cryopreservation of these seeds have been achieved in recent years, and the aim of this study was to evaluate Coffea arabica seeds cryopreserved through direct immersion in liquid nitrogen after rapid and slow drying. Seeds of the cultivars ?Arara?, ?Catiguá?, ?Catuaí Amarelo? and ?Mundo Novo? underwent rapid and slow drying to 20% moisture content (dry basis); they were then immersed in liquid nitrogen for 24 hours and after that, reheated in a water bath. C. arabica seeds have better physiological quality after slow drying, but rapid drying is better for cryopreservation of these seeds. The seeds of the cultivars investigated have different levels of tolerance, but all can be cryopreserved; ?Catuaí Amarelo? is the most tolerant and ?Arara? the most sensitive to cryopreservation, regardless of the drying speed. The activity of the enzymes catalase, peroxidase and esterase increased after drying and after cryopreservation. Rapid drying in silica gel to 20% moisture content, followed by direct immersion in liquid nitrogen, allows cryopreservation of coffee seeds in a fast, simple and economical manner.
650 $aEx situ conservation
650 $aGenetic variation
650 $aGermplasm
650 $aPlant genetic resources
650 $aCoffea Arábica
700 1 $aROSA, S. D. V. F. da
700 1 $aFERNANDES, J. S.
773 $tSeed Science and Techology$gv. 45, n. 3, p. 1-12, 2017.
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Embrapa Café (CNPCa) |
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