Open Access Research Paper Views (1105) PGPR in biocontrol: mechanisms and roles in disease suppression Rajiv Pathak, Anupama Shrestha, Janardan Lamichhane, Dhurva P. Gauchan Int. J. Agron. & Agric. Res. 11(1), 69-80, July 2017. Keywords: Antibiosis, Biocontrol, PGPR, Rhizosphere, Siderophore Details