Fig. 8

Schematic diagram illustrating the effect of ZnO nanoparticles priming on physio-biochemical responses promoting germination and seedling vigour in tomato. CAT Catalase, POX peroxidase, SOD superoxide dismutase, PRÂ proline, TP total phenol, CHL total chlorophyll, MDA malondialdehyde content, GER germination (%), SVI I seedling vigour index I, SVI II seedling vigour index II, MGT mean germination time, SOG speed of germination.