Abstract
Gliricidia sepium (Jacq.) Steud. is a widespread legume species in the Central American and Caribbean region; it is used as firewood and living fence posts, for charcoal production and shade. This paper presents the results from a preliminary study of seed and seedlings of 10 provenances from Guatemala and Costa Rica. Statistically significant differences were detected in most of the seed and seedling traits assessed, although the genetic variation between provenances for seedling variables was quite low. A decreasing tendency in seed size was found in provenances with lighter seeds from lower elevations; this characteristic was significantly correlated with the dry weight of the seedling at 60 days old. Better representative samples from the natural distribution of Gliricidia are needed to quantify the genetic variation of this species for further improvement programs.
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