Six Amycolatopsis strains were isolated from roots (2 strains from Pithecellobium dulce roots, 3 strains from Peltophorum pterocarpum, 1 strain from Samanea saman) and 5 strains from rhizosphere soil (3 isolates from Cassia fistula, 1 strain from Pterocarpus macrocarpus and 1 strain from Tamarindus indica).