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Title: Ecofisiologia da germinação de sementes de Campomanesia pubescens
Other Titles: Ecophysiology of Campomanesia pubescens seed germination
Keywords: Plantas medicinais
Plantas dos cerrados
Sementes – Efeito da luz
Sementes – Efeito da temperatura
Sementes – Secagem
Medicinal plants
Cerrado plants
Seeds – Effect of light
Seeds – Effect of temperature
Seeds – Drying
Campomanesia pubescens
Issue Date: 19-May-2011
Publisher: Universidade Federal de Santa Maria
Citation: DOUSSEAU, S. et al. Ecofisiologia da germinação de sementes de Campomanesia pubescens. Ciência Rural, Santa Maria, v. 41, n. 8, p. 1362-1368, ago. 2011.
Abstract: The gabiroba bush [Campomanesia pubescens (DC.) O. Berg. (Myrtaceae)], a native species of the Cerrado is considered a plant with melliferous, ornamental and medicinal potential. Aiming to evaluate the influence of abiotic factors on seed germination, two experiments were conducted. The first was conducted in a completely randomized design in a factorial design(4x3x2), composed of four temperatures (15-25, 20-30°C alternate, 25 and 30°C constant), 3 substrates (paper, sand and vermiculite) and two light conditions (light and dark). The second experiment aimed to evaluate the tolerance to desiccation of fresh seeds dried superficially, with 35% of water, by drying it in oven with forced ventilation of air at 30°C for 30, 60, 90, 120, 150, 180, 260, 360, 750 and 810 minutes. To evaluate the physiological quality of seeds gabiroba, shrub planting on paper, in the dark and 30°C, enables a better expression of the force. The seeds of bush gabiroba are intolerant to desiccation and can be classified as recalcitrant.
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