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SEED, SEEDLINGS AND GERMINATION MORPHOLOGY OF Copaifera langsdorfii Desf. (Leguminosae-Caesalpinioideae)

By Maria Elane de Carvalho Guerra, Sebastião Medeiros Filho and Maria Izabel Gallão

Abstract

The knowledge of seed and seedling morphology are extremely important to the identification and preservation of plant species. In order to studying seed and seedling morphology and seed germination of copaiba (Copaifera langsdorfii Desf) seeds, experiments were conducted at the Laboratory of Seed Analysis and Laboratory of Botany of the Federal University of Ceará. In copaíba seeds the characteristics studied were shape, size (length, width, thickness) and morphology. The kind of germination, the root systems, hypocotyls, epicotyls and first leaves were the characteristics evaluated in copaiba seedlings. Ruler and pachimeter were used to make the measurements, as well as optical microscope and magnifying glass. The seeds are exalbumin kind, have neuter photoblastism and epigeous germination. Seed coat shows a palisade cell layer with a conspicuous light line. The seedlings have compound first leaves and axial root system

Topics: exalbumin, palisade cells, first leaves, Forestry, SD1-669.5, Agriculture, S, DOAJ:Forestry, DOAJ:Agriculture and Food Sciences
Publisher: Universidade Federal de Lavras
Year: 2006
OAI identifier: oai:doaj.org/article:998500cad5894d1bb7af4bdba75846bd
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