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|metadata.revistascielo.dc.title:||GERMINATION AND INITIAL DEVELOPMENT OF AROEIRA (Myracrodruon urundeuva) SEEDLINGS|
|metadata.revistascielo.dc.creator:||Scalon, Silvana de Paula Quintão|
Scalon Filho, Homero
Masetto, Tathiana Elisa
|metadata.revistascielo.dc.subject:||Germinative pre-treatments, Myracrodruon urundeuva, Anacardiaceae, Savannah.|
|metadata.revistascielo.dc.description:||Aroeira has great economic importance due to its wood useful, tannins extraction and use in the pharmacology. The aim of this work was to evaluate the germination aspects and initial seedlings development of aroeira, under gibberellins, substrata and shading effects, and for that two experiments were led out. In the first one, seeds were previously soaked for 24 hours in water and in 100 mg.L-1 gibberellin solution and were sowed directly in cells trays in the following substrata: land and sand (1:1 and 1:2) and Plantmax . In the second experiment, 15 cm length seedlings were transplanted to polyethylene sacks filled out land+sand+poultry manure (1:1:1) partly decomposed and they were maintained at greenhouse for 15 days. Soon after, seedlings were transferred for the following conditions: shading (50%) and full sun and they were 50 mg.L-1 and 150 mg.L-1 gibberellins solutions pulverized, as control seedlings water pulverized. Aroeira seeds should not be previously water or gibberellins imbibed before being sowed. The best substrata for aroeira seeds germination was Plantmax without germinative treatments to reach higher than 80% of seedlings survival. The seedlings developed better at full sun light and the gibberellin. It was observed increment in height, diameter, foliar area and fresh and dry mass from aerial and root part when compared to shading situation. The gibberellins applications did not influence the aroeira seedlings initial growth characteristics.|
|Appears in Collections:||CERNE|
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