Abdulridha, E. M., & Abdulfattah, F. A. (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