Tuberose is important ornamental crop grown in large scale for its flowers. A pot culture experiment was carried out using five efficient isolates of Azospirillum on tuberose to evaluate the influence of these isolates on growth of tuberose, which revealed that treatments inoculated with isolate ATR-39 was significantly improved the growth of tuberose. | Influence of Azosprillum isolates on growth parameters of tuberose (Polianthes tuberosa L.) cv. Mexican single