2012
DOI: 10.4025/actasciagron.v34i2.11752
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Abstract: ABSTRACT. This study evaluated mechanisms of the dehydration and rehydration of fruits and seeds on the resulting embryo viability of the macaw palm, Acrocomia aculeata (Jacq.) Loddiges ex Mart. Dehydration was performed in a forced-air oven at 37 ± 2°C for 0, 3, 6, 9, 12 or 15 days, and after these periods, the embryo viability was evaluated by the tetrazolium test. The effect of hydration on the germination percentage and velocity index was evaluated by the imbibition of seeds with distilled water in a germi… Show more

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Cited by 16 publications
(5 citation statements)
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“…The death of the embryonic axis is possibly related to the loss of water through the germination pore, as this region is more sensitive to dehydration. Problems caused by seed dehydration were also found in embryos of the palm species Acrocomia aculeata (Rubio-Neto et al, 2012).…”
Section: Resultsmentioning
confidence: 91%
“…The death of the embryonic axis is possibly related to the loss of water through the germination pore, as this region is more sensitive to dehydration. Problems caused by seed dehydration were also found in embryos of the palm species Acrocomia aculeata (Rubio-Neto et al, 2012).…”
Section: Resultsmentioning
confidence: 91%
“…The need to remove only the embryo as preparation method for staining in tetrazolium test was also reported for seeds of other palm species such as peach palm (Ferreira & Sader, 1987) and macaúba (Ribeiro et al, 2010;. Rúbio-Neto et al, 2012).…”
Section: Structurementioning
confidence: 82%
“…Palm seeds often display morphophysiological dormancy due to underdeveloped embryos (Baskin & Baskin 2014) and a thick endocarp that delays germination and embryo growth (Pérez 2009, Ribeiro et al 2011, Oliveira et al 2013, Carvalho et al 2015, Oliveira et al 2015, Soares et al 2021. Water treatments may accelerate the germination process of palm seeds by facilitating oxygen absorption and loosening mechanical restrictions of the surrounding tissues (e.g., Bovi 1990, Martin et al 1996, Ferreira & Gentil 2006, Fava & Albuquerque 2011, Rubio Neto et al 2012, Pinto et al 2012, Goudel et al 2013, Ferreira et al 2021. On the other hand, hot-water treatments (~75°C) have been tested on the germination of tropical palm seeds but may not promote a dormancy break (Martin et al 1996, Rodrigues-Junior et al 2016.…”
Section: Introductionmentioning
confidence: 99%