For investigation of effects of drought stress on germination indices and peroxidase activity at E. purpurea (L.) Moench, experiment based on completely randomized design at three replicates were performed. For drought stress polyethylene glycol 6000 at 0, -6 and -12 bar was used. Results of variance analysis showed that drought stress has significant effect (P<0.01) on germination percentage, germination rate, seed vigor, mean time germination, seedling length, seedling dry weight and activity of peroxidase. Results indicated that with increasing of drought stress germination percentage, germination rate, seed vigor, seedling length and seedling dry weight were decreased. At -12 bar drought stress seeds were not germinated. Also, with increasing of drought stress mean time germination and peroxidase activity were increased.
