The citrus collection at Riverside is our current source of material, and we have been strategically selecting high-priority materials for the California industry from that collection as some of the first to be cryopreserved here at NCGRP
," says Volk.
Abbreviations: CA, cold acclimation or cold acclimated; ED, encapsulation and dehydration; KT, kinetin; LN, liquid nitrogen; MS, Murashige and Skoog; NCGR, National Clonal Germplasm Repository: NCGRP
, National Center for Germplasm Resources Preservation.
This work also has benefits for conservators of genetic resources, like the NCGRP
, that gather and store genetic materials.
Storage Information Form: The NCGRP storage information form (SIF) has been modified to require the submitter of such seed to sign the form allowing the seed to be distributed.
Proprietary Nature of Germplasm: Henry Shands conveyed that ICRISAT would no longer register germplasm in Crop Science because of the requirement to submit seed to NCGRP for distribution.
Fortunately, genetic materials at NCGRP
are stored under optimal conditions and are at lower risk for degradation.
But the plants don't always make seeds, so NCGRP
plant physiologist Gayle Volk and ARS colleagues developed cryopreservation methods for shoot tips that will form new plants.
NCGRP provides long-term, backup storage for about 78 percent of the more than 470,000 plant germplasm accessions within the National Plant Germplasm System and about 300,000 units of semen, embryos, and blood from about 120 livestock breeds collected by the U.
Nass and NCGRP curator David Ellis are coordinating the international germplasm exchange from Fort Collins, but it includes all the curators within the U.
Before the advent of the NPGS, collections basically belonged to individual researchers and depended on whether and how they kept records and on what they had collected," explains NCGRP
director Henry Shands.
We are one of the largest, most effective genebanks in the world," says NCGRP director Henry L.
Seeds at the NCGRP are stored at either -18[degrees]C (0[degrees]F) or -150[degrees]C (-238[degrees]F).