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Suitability of the tetrazolium test methodology for recently harvested and stored coffee seeds Ciência e Agrotecnologia
Clemente,Aline da Consolação Sampaio; Carvalho,Maria Laene Moreira de; Guimarães,Renato Mendes.
Germination of coffee seeds occurs in a slow and non-uniform manner and the tetrazolium test (TZ) may be a quick alternative for assessment of viability, as long as the preparation and imbibition of the seeds is established. This study was performed in two stages: in the first, recently harvested seeds from three coffee cultivars were submitted to four methodologies for removal of the parchment: manual extraction or use of sodium hypochlorite (NaClO at 5%) and two periods of imbibition of the seeds in water (36 and 48 hours) for removal of the embryos. In the second phase, manual removal and the use of NaClO were compared for elimination of the parchment of stored seeds for monthly performance of the tetrazolium test for six months. Sodium hypochlorite is...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Coffea arabica; Viability; Parchment.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542012000400005
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