SITI RAUDATUL JANNAH Health of Eucalyptus (Melaleuca leucadendra) in the Gunung Batu River Basin Rehabilitation Area, Tebing Siring Pelaihari Village, Tanah Laut Regency. Dr. Ir. H.Gt. Muhammad Hatta, MS and Prof. Ir. H. Basir, M.S., PhD.

The purpose of this study was to analyze the health of eucalyptus plants planted on the rehabilitation land of the Gunung Batu watershed, Siring Pelaihari Village, Tanah Laut. The method used is Area level index (ALI)/Area damage index (IKA). The criteria for assessing plant health according to Alexander (1996). Parameters used include plant height, plant diameter, plant health. Based on the results of the study, the percentage of live eucalyptus plants in the rehabilitation area of ??the Gunung Batu watershed was 97.73% with an average height of 3.15 m and a diameter of 5.84 cm, the most damage was in the leaves. However, in general, eucalyptus plants in the Gunung Batu Watershed, Tebing Siring Pelaihari Village, were healthy with an INK of 1.00.

Keywords : Eucalyptus, Gunung Batu watershed, percentage of life, plant health,