Análisis de la Variación Morfológica de Semillas y Embriones de diez especies distribuidas en los bosques de la Provincia del Guayas

Abstract

The present research work was carried out in semi-deciduous forests of Canton Milagro, Guayas Province, aimed to characterize morphologically the following species Tectona grandis L. (Teak), Samanea saman (Jacq.) Merr (Saman), Schizolobium parahybum (Vell.) S.F. Blake (Pachaco), Cassia fistula L. (Fistula Cane), Tamarindus indica L. (Tamarind), Mangifera indica Wall (Mango), Delonix regia (Bojer ex Hook.) Raf. (Royal Poinciana), Citrus sinensis L. (Orange), Citrus limon L. (Lemon), Terminalia catappa L. (Almond). The first four species are used for wood production purposes, and the left ones are used for feeding, since they are fruits that have become common in our daily dietary. 50 seeds of each species, accurately located by geographical coordinates, were selected for external and internal characters evaluation, such as: shape, weight, color, type and embryo disposition. These parameters were measured, entered in charts and then using XLSTAT statistics program, association patterns among species characteristics were determined for representing them in cluster graphs. For external characters, two cluster were obtained, while for internal characters were three. This variation responds to endosperm presence or not within seeds, determining embryo size. Therefore, different clusters were obtained for each case.