The study was carried out in the Forest Plot No. 21 of CIEFOR – Puerto Almendras. The population was a total of 200 Simarouba amara plants. Biometric measurements of diameter, height, quality, phytosanitary status and survival of the plants were made in 4 months of evaluation. The average increase in diameter in the Simaouba amara plantation was 0.36 mm. The planta tion presented an average increase in height of 13.52 cm. There is a survival of 90.5% (181 live plants), while mortality reached 9.5% (19 dead plants). 76.9% of the plants have Good quality (153 plants), followed by Regular quality with 13.1% (26 plants) and finally BAD quality obtained 1% (2 plants). A total of two plants were affected up to 80% of the leaf area, while 26 plants presented 50% of the leaf area affected and 153 plants did not show signs of pests and diseases. According to the analysis of variance, there is n...