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Registro Completo |
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
10/02/2005 |
Data da última atualização: |
06/07/2017 |
Autoria: |
AGUIAR, L. M. de S.; AQUINO, F. de G. |
Título: |
Importância dos morcegos na dispersão de plantas do bioma Cerrado. |
Ano de publicação: |
2003 |
Fonte/Imprenta: |
In: CONGRESSO DE ECOLOGIA DO BRASIL, 6., 2003, Fortaleza. Anais de trabalhos completos. Fortaleza: Editora da Universidade Federal do Ceará, 2003. p. 522-524. |
Idioma: |
Português |
Thesagro: |
Cerrado; Dispersão de Semente; Morcego. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00559naa a2200157 a 4500 001 1568483 005 2017-07-06 008 2003 bl uuuu u00u1 u #d 100 1 $aAGUIAR, L. M. de S. 245 $aImportância dos morcegos na dispersão de plantas do bioma Cerrado. 260 $c2003 650 $aCerrado 650 $aDispersão de Semente 650 $aMorcego 700 1 $aAQUINO, F. de G. 773 $tIn: CONGRESSO DE ECOLOGIA DO BRASIL, 6., 2003, Fortaleza. Anais de trabalhos completos. Fortaleza: Editora da Universidade Federal do Ceará, 2003. p. 522-524.
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Registro Completo
Biblioteca(s): |
Embrapa Café. |
Data corrente: |
18/02/2011 |
Data da última atualização: |
08/01/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
ROSA, S. D. V. F. da; McDONALD, M. B.; VEIGA, A. D.; VILELA, F. de L.; FERREIRA, I. A. |
Afiliação: |
STTELA DELLYZETE VEIGA F DA ROSA, SAPC; Ohio State University; Embrapa Café; Ohio State University; Ohio State University. |
Título: |
Staging coffee seedling growth: a rationale for shortening the coffee seed germination test. |
Ano de publicação: |
2010 |
Fonte/Imprenta: |
Seed Science and Technology, v. 38, n. 2, p.421-431. 2010. |
Idioma: |
Português |
Conteúdo: |
The species Coffea arabica L. is one of the most important agricultural commodities in Brazil. Despite considerable effort at vegetative propagation of coffee plants, they still are propagated by seedlings produced directly from seeds. An undesired trait of coffee seeds is that they have slow and asynchronous germination, which makes it difficult to obtain seedlings of desirable quality. In addition, this slow and asynchronous germination makes rapid viability and/or vigor evaluations difficult because of the excessive time required to obtain results. The objective of this study was to describe coffee seedling growth developmental stages by documenting morphological changes during germination and post-germination growth. Eight seedling growth stages were described. Description of stages permits a more accurate characterization of coffee seedling development than days after imbibition since environmental factors have a major bearing on the speed and uniformity of seedling growth. In addition, current Rules for Seed Testing in Brazil require 30 days before germination can be assessed. These data demonstrate all essential seedling parts are present on coffee seedlings at stage 6, which occurs at 15 days. Such data suggest that the standard germination test for coffee seeds can be substantially shortened to provide more rapid seed quality assessment. |
Palavras-Chave: |
Agricultural commodities in Brazil; Coffea arabica L. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01982naa a2200193 a 4500 001 1880484 005 2024-01-08 008 2010 bl uuuu u00u1 u #d 100 1 $aROSA, S. D. V. F. da 245 $aStaging coffee seedling growth$ba rationale for shortening the coffee seed germination test.$h[electronic resource] 260 $c2010 520 $aThe species Coffea arabica L. is one of the most important agricultural commodities in Brazil. Despite considerable effort at vegetative propagation of coffee plants, they still are propagated by seedlings produced directly from seeds. An undesired trait of coffee seeds is that they have slow and asynchronous germination, which makes it difficult to obtain seedlings of desirable quality. In addition, this slow and asynchronous germination makes rapid viability and/or vigor evaluations difficult because of the excessive time required to obtain results. The objective of this study was to describe coffee seedling growth developmental stages by documenting morphological changes during germination and post-germination growth. Eight seedling growth stages were described. Description of stages permits a more accurate characterization of coffee seedling development than days after imbibition since environmental factors have a major bearing on the speed and uniformity of seedling growth. In addition, current Rules for Seed Testing in Brazil require 30 days before germination can be assessed. These data demonstrate all essential seedling parts are present on coffee seedlings at stage 6, which occurs at 15 days. Such data suggest that the standard germination test for coffee seeds can be substantially shortened to provide more rapid seed quality assessment. 653 $aAgricultural commodities in Brazil 653 $aCoffea arabica L 700 1 $aMcDONALD, M. B. 700 1 $aVEIGA, A. D. 700 1 $aVILELA, F. de L. 700 1 $aFERREIRA, I. A. 773 $tSeed Science and Technology$gv. 38, n. 2, p.421-431. 2010.
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