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Revista Brasileira de Sementes

versão impressa ISSN 0101-3122

Resumo

MONDO, Vitor Henrique Vaz et al. Germination test of seeds of Parapiptadenia rigida (Benth.) Brenan (Fabaceae). Rev. bras. sementes [online]. 2008, vol.30, n.2, pp.177-183. ISSN 0101-3122.  https://doi.org/10.1590/S0101-31222008000200022.

Parapiptadenia rigida is a Brazilian tree species that has been used for forest restoration and wood extraction. However, the information available about the germination test with the seeds of this species is scarce, and additional studies are neede define and standardize the most favorable methodologies. Therefore, the effects of nine temperature intervals between 15°C and 35°C were evaluated in a thermo-gradient table with a daily photoperiod of 8 hours and four substrate conditions (on top of the paper, paper roll, in vermiculite and on top of vermiculite) were analyzed in chambers with the same photoperiod, at 25°C and 30°C. The substrates in and on top of vermiculite were also tested without light, at 25ºC. The results showed that the germination test of P. rigida seeds should be carried out at 25°C, with the substrate in vermiculite, with or without light.

Palavras-chave : forest seeds; seed analysis; substrates.

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