Abstract: The wild species seeds, usually have complex dormant mechanisms which reduces seed germination percentage and rate. Previous studies indicated seed dormancy for Lonicera nummularifolia. Therefore, an experiment was performed to investigate seed dormancy braking mechanisms for this species. Effect of different mechanical and chemical treatments (Stratification treatment for 2 weeks in the refrigerator at 40c, Gibberlic acid 500 ppm for 48 hours, removal of seed shell (Scarification),combination of Gibberlic acid and Stratification, combination of Scarification and Stratification, combination Scarification and Gibberlic acid, combination of Gibberlic acid and Stratification and Scarification, and control. Results showed that the combination of Gibberlic acid, Stratification, Scarification, caused the highest increase in Germination Percentage(31/2%), Germination Energy (124/8), Mean Daily Germination(2/10) seed/day) campared to the Gibberlic Acid(0%), Stratification(0%), Scarification(0%), Control(0%). It can be concluded that the seed dormancy of (Lonicera nummularifolia) is probably of a combined type physical and physiological.

کلمات کلیدی