Substrates and temperatures in the germination of Eriotheca gracilipes seeds

The Eriotheca gracilipes (K. Schum.) A. Robyns) is a forest specie that belongs to the Bombacaceae family and is considered an endemic specie from the Brazilian savanna. The aim of this study was to evaluate the best substrate and temperature for the vigor and germination test of E. gracilipes seeds...

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Bibliographic Details
Published in:Ciência agronômica 2017-04, Vol.48 (2), p.303-309
Main Authors: Melo, Paulo Alexandre F. R. de, Cavalcanti, Maria Idaline Pessoa, Alves, Edna Ursulino, Martins, Cibele Chalita, Araújo, Luciana Rodrigues de
Format: Article
Language:English
Subjects:
AGRONOMY
Bombax gracilipes
Espécie endêmica
Florestal nativa
Vigor
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Summary:The Eriotheca gracilipes (K. Schum.) A. Robyns) is a forest specie that belongs to the Bombacaceae family and is considered an endemic specie from the Brazilian savanna. The aim of this study was to evaluate the best substrate and temperature for the vigor and germination test of E. gracilipes seeds. The experiment was carried out in a randomized design with a 4 x 7 factorial, with 28 treatments with the combination of four temperatures (20; 25; 30 and 20-30 °C) and seven substrates (coarse vermiculite, medium vermiculite, sand, Basaplant®, paper towel, on and between filter papers), with 4 repetitions of 25 seeds each. It was assessed germination, first count of germination, and germination speed index. In conclusion, for germination and vigor tests of Eriotheca gracilipes seeds it is recommended the paper roll as substrate at temperatures of 20-30, 25 or 30 °C, and the Basaplant® and paper roll at the temperature of 30 °C, respectively.
ISSN:1806-6690
0045-6888
1806-6690
DOI:10.5935/1806-6690.20170035