Lenin G. Indole Acetic Acid Gibberellic Acid and Siderophore Production by PGPR Isolates from Rhizospheric Soils of Catharanthus roseus. ijpba [Internet]. 2012 Sep. 23 [cited 2025 Apr. 30];3(4). Available from: http://mail.ijpba.info/index.php/ijpba/article/view/767