2019
DOI: 10.5902/1980509810460
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Superação de dormência e vigor em sementes de Fava-d’Anta (<i>Dimorphandra gardneriana</i> Tulasne)

Abstract: O objetivo neste trabalho foi avaliar a eficiência de diferentes métodos para a superação da dormência em sementes Dimorphandra gardneriana Tulasne, visando fornecer conhecimentos técnico-científicos que permitam a criação de um protocolo de germinação. Em um experimento realizado no Laboratório de Análise de Sementes do Centro de Ciências Agrárias da Universidade Federal da Paraíba (CCA-UFPB), em delineamento experimental inteiramente ao acaso, as sementes de D. gardneriana foram submetidas aos seguintes trat… Show more

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Cited by 8 publications
(8 citation statements)
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“…Similar results were reported by other authors such as Ursulino et al (2019), who observed that the seed coat breakdown followed by immersion in water for 6 hours is the most efficient method for overcoming the dormancy of Dimorphandra gardneriana seeds. In contrast, the results obtained differ from those reported by Rigamonte-Azevedo et al (2007), who after testing scarification associated with 24, 48, and 72 hours water immersion, do not recommend this type of pre-germination treatment for the species E. schomburgkii.…”
Section: Resultssupporting
confidence: 91%
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“…Similar results were reported by other authors such as Ursulino et al (2019), who observed that the seed coat breakdown followed by immersion in water for 6 hours is the most efficient method for overcoming the dormancy of Dimorphandra gardneriana seeds. In contrast, the results obtained differ from those reported by Rigamonte-Azevedo et al (2007), who after testing scarification associated with 24, 48, and 72 hours water immersion, do not recommend this type of pre-germination treatment for the species E. schomburgkii.…”
Section: Resultssupporting
confidence: 91%
“…The same behavior was observed for the stem diameter, whose mean value recorded for this treatment was also lower than the others. These results corroborate the information obtained for other leguminous such as Dimorphandra gardneriana (Ursulino et al, 2019), Caesalpinia pyramidalis (Alves et al, 2007) and Cassia fistula (Bezerra et al, 2014).…”
Section: Resultssupporting
confidence: 89%
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“…A escarificação das sementes com lixa de madeira (T5) após os períodos de zero (sem armazenamento) e 70 dias de armazenamento, possibilitou plântulas com maiores valores de massa seca da parte aérea (Tabela 10). Ursulino et al(2019) avaliando a massa seca da parte aérea de plântulas de Dimorphandra gardnerianado verificaram que a escarificação mecânica com lixa de madeira (n°120) também proporcionou os melhores resultados. De um modo geral, à medida que aumentou o tempo de armazenamento diminuiu o acúmulo de massa seca da parte aérea, quando se empregou os métodos de superação de dormência de imersão em soda cáustica por 30 e 60 min.…”
Section: Período De Armazenamentounclassified