Germinação de Propágulos de Laguncularia racemosa (L.) C.F. GAERTN. provenientes de diferentes condições ambientais

Abstract

The objective of this study was to evaluate the germination behavior of Laguncularia racemosa (L.) C.F. Gaertn. propagules from different environmental conditions in order to generate information for the production of more vigorous seedlings. To this end, mature propagules were collected at three different locations: Flooded Area (AL), Apicum Area (AP), and Regular Flooding Area (IR). In the laboratory, the propagules were sorted, measured (length) and placed in plastic trays with water from the estuary itself for 15 days to evaluate the variables Germination (G), Average germination time (TMG), Average germination speed (VMG), and Germination synchrony (Z) were evaluated. Regarding viability (G), statistical tests indicated no difference between treatments. However, the propagules from the IR treatment showed greater vigor (lower MTG and higher MGS) and high synchrony compared to the other treatments, suggesting that regularly flooded areas are the most suitable choice for collecting propagules for seedling production in nurseries.