“… Ag was found to increase in a concentration dependent manner with a maximum of 29.3 microg g(-1) at 20 …), photosynthetic pigments, chlorophyll a fluorescence parameters (Fo, Fv, Fv/Fm, Fv/Fo), malondialdehyde (MDA), ATP, peroxidase (POD) activity, ascorbate ( AsA ), reduced glutathione (GSH) and … concentration of Ag augmented.”