Scientists put citrus in "deep freeze" to preserve it
Tuesday, July 23, 2013 - 04:30
in Earth & Climate
U.S. Department of Agriculture (USDA) scientists are creating a backup storage site or "genebank" for citrus germplasm in the form of small buds, called shoot tips, which have been cryopreserved—that is, plunged into liquid nitrogen for long-term cold storage.