Seeds from some of the 15,000 plant species in the ARS National Plant Germplasm System. (Jack Dykinga, K1657-15)
At the ARS National Center for Genetic Resources Preservation in Fort Collins, Colorado, scientists prepare seeds for liquid nitrogen cryopreservation. (Stephen Ausmus, D683-1)
The ARS maize germplasm collection has contributed to developing many major corn varieties. (Doug Wilson, K7188-18)
ARS scientists retrieve seeds stored at 0 ˚F in a storage vault at the National Center for Genetic Resources Preservation in Fort Collins, Colorado. (Stephen Ausmus, K10189-9)
Apples in the ARS germplasm collection at Geneva, New York, vary widely in size, shape, and color. Keith Weller (K5339-3)