2002
DOI: 10.1590/s0100-84042002012000007
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Tolerância à dessecação e armazenamento de sementes de Caesalpinia echinata Lam. (pau-brasil), espécie da Mata Atlântica

Abstract: -(Desiccation tolerance and storage of seeds of Caesalpinia echinata Lam. (Brazil Wood), a species from the Atlantic Forest). The exploitation of Caesalpinia echinata reduced markedly the original geographic distribution of the species. The knowledge of seed physiology, mainly desiccation tolerance and storability, could be helpful for the conservation of the species and future recovery of degraded areas of the Atlantic Forest. Desiccation study was performed in four categories of seeds selected according to c… Show more

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Cited by 46 publications
(71 citation statements)
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“…The behavior of these seeds during storage was reported previously and revealed that storage at cool temperatures (CT) for 18 months largely prevented the loss of viability shown by the seeds when stored at room temperatures (RT) (Barbedo et al, 2002). This observation was confirmed in the present study (Table 1).…”
Section: Resultssupporting
confidence: 91%
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“…The behavior of these seeds during storage was reported previously and revealed that storage at cool temperatures (CT) for 18 months largely prevented the loss of viability shown by the seeds when stored at room temperatures (RT) (Barbedo et al, 2002). This observation was confirmed in the present study (Table 1).…”
Section: Resultssupporting
confidence: 91%
“…The oligosaccharide: sucrose (O:S) ratio calculated for seeds stored for different periods and conditions (Table 2) ranged from 0.01 to 0.08, corresponding to values calculated for seeds sensitive to desiccation (Lin & Huang, 1994). The contents of total soluble sugars and of sucrose and the ratio O:S in C. echinata seeds were not correlated with the tolerance to desiccation observed for this species (Barbedo et al, 2002). According to Obendorf (1997) in orthodox seeds, the lower the mass ratio of sucrose to soluble oligosaccharides, the lower the storability.…”
Section: Resultsmentioning
confidence: 87%
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“…Contudo, ainda há carência de informações científicas que subsidiem tais programas, principalmente em áreas com maior abundância de grupos ecológicos (BARBEDO et al, 2002).…”
Section: Introductionunclassified