M. H. Ahmed; Z. S. Omran. EFFECT OF CuO NANOPARTICLES ON SEED GERMINATION AND SEEDLING GROWTH IN ECHINACEA PURPUREA IN VITRO. Iraqi J. Agric. Sci. 2024, 55 (Special), 34-42. https://doi.org/10.36103/ijas.v55iSpecial.1883.