In Dodonaea viscosa, physical dormancy breaks when a tiny hilar slit opens to let water in. The latest study in #SeedScienceResearch shows hot water is effective, while liquid nitrogen damages seeds, warning against its use for some physically dormant seeds
#Botany 🧪 doi.org/10.1017/S096....
Water gap anatomy and dormancy-breaking treatments impact on seed coat integrity and germination in Dodonaea viscosa L. Jacq (Sapindaceae) - Volume 35 Issue 4