Abdulridha, Estabraq M., and Farqad A. Abdulfattah. 2016. “The Induction of Systemic Resistance in Plants by UsingPlant Growth Promoting Rhizobacteria ( PGPR) to Control the Root Knot Disease on Tamato Caused by Meloidogyne Spp”. Journal of Kerbala for Agricultural Sciences 3 (4):91-103. https://doi.org/10.59658/jkas.v3i4.557.