Scientists make citrus deposits to deep-freeze gene bank

Courtesy Agricultural Research ServiceTechnician Remi Bonnart (foreground) flash-freezes plant shoot tips.U.S. Department of Agriculture scientists are depositing citrus germplasm in a deep-freeze bank to preserve it for future breeding efforts.

The process, known as cryopreservation, involves small buds or shoot tips, according to a news release.
Some genebanks maintain living citrus trees