2016
DOI: 10.3738/1982.2278.1616
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Dormancy Break in Jatoba (Hymenaea Courbaril L.) Seeds

Abstract: RESUMO:Objetivou-se, neste trabalho, avaliar diferentes tratamentos visando a superação da dormência primária tegumentar em sementes de jatobá. A pesquisa foi realizada em laboratório, na Faculdade de Agronomia Dr Francisco Maeda, em Ituverava, SP, em que foram testados os seguintes tratamentos pré-germinativos: imersão das sementes em ácido sulfúrico (H 2 SO 4 ) por vinte minutos; escarificação mecânica das sementes com o auxílio de lixa; exposição das sementes à Atta ssp. e sementes intactas (testemunha). O … Show more

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Cited by 6 publications
(5 citation statements)
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References 10 publications
(8 reference statements)
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“…Quanto a massa fresca, a árvore 2 apresentou maior média em relação as árvores 1 e 3 (Tabela 3). Em diferentes espécies como em Cassia fistula (BEZERRA et al, 2014), Ormosia arborea (SILVA et al, 2014), Albizia edwallii (DUARTE et al, 2015), Acacia farnesiana (VASCONCELOS et al, 2015), Apuleia molaris (REIS et al, 2016), Poincianella pyramidalis (MENDONÇA et al, 2016), Hymenaea courbaril (SOUZA & SEGATO, 2016;DUARTE et al, 2016), Balfourodendron riedelianum (GOMES et al, 2016), Caesalpinia ferrea (ANDRADE et al, 2016), Senna multijuga , Delonix regia (DUTRA et al, 2017) e Ceiba speciosa (ROVERI NETO & DE PAULA, 2017) foi demonstrada variações biométricas das sementes, conforme os dados desta pesquisa.…”
Section: Resultsunclassified
“…Quanto a massa fresca, a árvore 2 apresentou maior média em relação as árvores 1 e 3 (Tabela 3). Em diferentes espécies como em Cassia fistula (BEZERRA et al, 2014), Ormosia arborea (SILVA et al, 2014), Albizia edwallii (DUARTE et al, 2015), Acacia farnesiana (VASCONCELOS et al, 2015), Apuleia molaris (REIS et al, 2016), Poincianella pyramidalis (MENDONÇA et al, 2016), Hymenaea courbaril (SOUZA & SEGATO, 2016;DUARTE et al, 2016), Balfourodendron riedelianum (GOMES et al, 2016), Caesalpinia ferrea (ANDRADE et al, 2016), Senna multijuga , Delonix regia (DUTRA et al, 2017) e Ceiba speciosa (ROVERI NETO & DE PAULA, 2017) foi demonstrada variações biométricas das sementes, conforme os dados desta pesquisa.…”
Section: Resultsunclassified
“…In studies with seeds of Stylosanthes viscosa (melosa or meladinha), Araújo et al (2000) reported that sulfuric acid scarification can efficiently guarantee a high emergence percentage and ESI because this treatment was determinant in avoiding the impermeability to water imposed by the integument during the seed dormancy of this species. In turn, Sousa et al (2009) found that scarification with sulfuric acid reduced the emergence and the ESI of Ricinus communis (castor bean) seeds.…”
Section: Methods Of Overcoming Dormancymentioning
confidence: 99%
“…treatment was determinant in avoiding the impermeability to water imposed by the integument during the seed dormancy of this species. In turn, Sousa et al (2009) found that scarification with sulfuric acid reduced the emergence and the ESI of Ricinus communis (castor bean) seeds.…”
Section: Methods Of Overcoming Dormancymentioning
confidence: 99%
“…Tropical arboreous species usually present a high variability in seed mass [4].Other studies mention that seed weight is highly variable due to the water content [35], which also varies according to some environmental conditions during seed development, and features, such as maturation stage [36], [37]. However, this species seed moisture content could vary between 12.46 until 16.05 % of the weight [37], a very strict range in view of the diversity of values found to seed weigh disposable in the literature, or even the present study variation. In addition.…”
Section: Page|mentioning
confidence: 99%