SciELO - Scientific Electronic Library Online

vol.49 issue1Latencia en semillas de Stylosanthes hamata (Leguminosae) y su relación con la morfología de la cubierta seminalPlantas hospederas de Aphis gossypii (Aphididae), vector de virus del melón Cucumis melo (Cucurbitaceae) en Costa Rica author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand




Related links


Revista de Biología Tropical

On-line version ISSN 0034-7744Print version ISSN 0034-7744


ORTEGA BAES, Pablo; DE VIANA, Marta L.; LARENAS, Giovanna  and  SARAVIA, María. Germinación de semillas de Caesalpinia paraguariensis (Fabaceae): agentes escarificadores y efecto del ganado. Rev. biol. trop [online]. 2001, vol.49, n.1, pp.301-304. ISSN 0034-7744.

The tree Caesalpinia paraguariensis grows in the Chaco region, Argentina. Fruits are indehiscent with many seeds. This species is an important source of wood and  the fruits are consumed by cattle in Salta province. We studied seed germination under chemical, mechanical and biological scarification. Seeds from controls (without scarification) and those with biological scarification had a smaller (and similar) germination rate. The non-germinated seeds  from biological treatments were mechanically scarified and their germination rate was similar to others under the mechanical treatment. Passage by digestive tracts would not enhance  germination because viable seeds are still dormant due to their hard coats.

Keywords : Seed germination; dormancy; Caesalpinia paraguariensis; scarification; cattle; Argentina.

        · abstract in Spanish     · text in Spanish


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License