Abdulridha, Estabraq M., and Farqad A. Abdulfattah. “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, no. 4 (December 1, 2016): 91–103. Accessed July 14, 2024. http://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/557.