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Intraspecific variation in seed size and light intensity affect seed germination and initial seedling growth of a tropical shrub Acta Botanica
Veloso,Aniele C. R.; Silva,Priscila S.; Siqueira,Wallison K.; Duarte,Karen L.R.; Gomes,Ingrid L. V.; Santos,Henrique T.; Fagundes,Marcilio.
ABSTRACT Seed germination and seedling performance are affected by environmental factors and seed traits. In this study we investigated the effects of seed size and light intensity on germinability and seedling development of Copaifera oblongifolia. A total of 225 seeds were individually weighed and sown in three germination trays composed of 75 cells each. Each tray was placed in a different germination chamber with controlled photoperiod, temperature and light intensity. Seed size showed a positive relationship with time required for seed germination, and seeds exposed to high light intensity required more time to germinate. Seed size did not affect germination percentage, but seeds sown under high light intensity had a lower germination percentage than...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Cerrado; Copaifera oblongifolia; Diversity conservation; Dominancy; Habitat invasion; Seed-seedling conflict.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017000400736
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