2014
DOI: 10.1590/2317-1545v36n31012
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Methods for overcoming seed dormancy in Ormosia arborea seeds, characterization and harvest time

Abstract: -Ormosia arborea, a Leguminosae, presents seeds with tegumentary dormancy. The purpose of this study was to evaluate the efficiency of dormancy breaking methods, characterize seeds obtained from different mother plants, and to determine the best period to collect Ormosia arborea seeds. The seeds were harvested from mother plants in two different periods (June and August/2011). The seeds were then subjected to biometrical analyses, determination of moisture content and germination tests. Determination of the so… Show more

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Cited by 18 publications
(28 citation statements)
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“…Já Lopes et al (2006), em estudo de outra espécie do mesmo gênero (O. nitida), IVG entre 2,7 e 3,9. Em relação ao tempo de germinação (TMG), Silva et al (2014) encontraram valores entre 8,2 e 14,8 dias, todos estatisticamente iguais, similar aos resultados encontrados para este trabalho.…”
Section: Resultsunclassified
“…Já Lopes et al (2006), em estudo de outra espécie do mesmo gênero (O. nitida), IVG entre 2,7 e 3,9. Em relação ao tempo de germinação (TMG), Silva et al (2014) encontraram valores entre 8,2 e 14,8 dias, todos estatisticamente iguais, similar aos resultados encontrados para este trabalho.…”
Section: Resultsunclassified
“…necessárias sobre a variação fenológica entre espécies de um mesmo gênero ou que se desenvolveram em condições ambientais diferenciadas (CRUZ et al, 2001;GUSMÃO et al, 2006;ALVES et al, 2007;CARVALHO, 2008;SANTOS et al, 2012;GONÇALVES et al, 2013;SILVA et al, 2014;DUARTE et al, 2015;MATOS et al, 2015;GOMES et al, 2016;PIRES NETO et al, 2016;SILVA et al, 2017;Santos et al, 2018;Santos et al, 2019), além de possibilitar maior aprimoramento na germinação e vigor das sementes NAKAGAWA, 2012;DUARTE et al, 2016).…”
unclassified
“…Taking into consideration the notion proposed by Dam et al (2009) that fruit and seeds pass through phases of histological differentiation, seed filling and desiccation, our results suggest that dry but still closed O. macrocalyx fruits contain seeds with mature and viable embryos. Once the fruits are open (dehiscence), their seeds become subject to desiccation, which promotes dispersion, with the consequent development of seed dormancy (Silva et al 2014). Seed dormancy is a natural strategy that maximizes the probability of seedling establishment, limits opportunities for germination in the short term and prevents germination when conditions are not favorable (Moïse et al 2005, van Klinken & Goulier 2013.…”
Section: Discussionmentioning
confidence: 99%
“…For instance, Ormosia arborea (Vell.) Harms requires immersion for 15 min in sulfuric acid in order to obtain 91 % germination (da Silva et al 2014), while Ormosia nitida Vogel requires 10 min in the acid to achieve 96.25 % or mechanical scarification to achieve 93.75 % germination (Lopes et al 2006).…”
Section: Georgina Vargas-simónmentioning
confidence: 99%