Seed Bank
Seed bank is a facility that stores seeds of various plants to conserve plant species and to preserve genetic diversity for the future. In general, the process of cleaning, drying, storing and testing seeds in order to preserve their viability for future use is known as seed banking. It is rapidly becoming one of the most valuable and effective ex situ methods to maintain biodiversity. The seeds of many species are typically remain viable for more than 20 years if they kept at constant temperature of -20°C and at low humidity around 4%. Without controlled storage conditions, several seeds lose their viability within one year of collection. However, because seed DNA degrades with time, the seeds must occasionally replanted and new seeds collected for another round of long-term storage.