Conclusion
The results of the study demonstrate that the beneficial effects of a number of pre-sowing treatments in improving the germination of cassia (C. nodosa and C. fistula)
seeds.During the search the effect of surface sterilization followed by mechanical scarification, effect of sulfuric acid treatment and water soaking and effect of growth
regulators and acid scarification on germination of C.nodosa and C. fistula seeds were determined.