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