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Revista Árvore

On-line version ISSN 1806-9088


SOUZA, Vênia Camelo de; BRUNO, Riselane de Lucena Alcântara  and  ANDRADE, Leonaldo Alves de. Vigor of stored seeds oe yellow-ipe Tabebuia serratifolia (Vahl.) Nich. Rev. Árvore [online]. 2005, vol.29, n.6, pp.833-841. ISSN 1806-9088.

This work aimed to determine the best conditions and storage periods adapted to the types of conservation of seed vigor for yellow-ipe. The experiment was conducted at the Laboratory of Analysis of Seeds - CCA/UFPB, using an entirely randomized design. The treatments consisted of yellow-ipe seeds packaged in (paper and polyethylene bags, three storage conditions (chamber, room temperature and humidity conditions and refrigerator) and six storage periods (0, 30, 60, 90, 120 and 150 days). The evaluated characteristics were: moisture content, Germination Speed Index (GSI), seedling length, and seedling dry matter. The results of GSI, seedling length and seedling dry matter were subjected to the analysis of polynomial regression. The yellow-ipe seeds packaged in paper bags presented higher moisture content along the storage in the chamber and room temperature and humidity conditions. In general, the seeds kept in paper packaging and polyethylene bags and stored in room temperature and humidity conditions lost the vigor more quickly along the storage.

Keywords : Forest seed; packaging; storage conditions.

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