Honey-locust (Gleditschia triacanthos) seeds, like those of many leguminous species, have hard and
impermeable coats. Germination is thought to be enhanced when seeds are scarified or soaked in concentrated
sulfuric acid or hot water. This experiment was separated into two parts: Scarification methods and stratification
investigation. The result from the first experiment showed that acid scarification treatment for 1 hour was the
best method for breaking their dormant period. However in the second experiment it was found that the honey
locust seeds like those of many leguminous species do not have dormant embryo, because stratification did not
affect seed germination and there was no significant difference between stratification treatment and control. It
can be concluded that acid scarification without stratification is optimized in breaking honey-locust seed
dormancy.