Project Number: 5402-21000-006-01
Project Type: Specific C/A

Start Date: Jul 01, 2000
End Date: Jun 30, 2005

Objective:
To determine the rate of seed deterioration of various plant species stored in the base collection at the National Center for Genetic Resources Preservatio(NCGRP). To obtain seed viability information at prescribed intervals after initial storage. To analyze data to develop predicted deterioration rates for seed stored at -18C. Data will be used to develop seed monitoring schedules and help seed producers and merchandisers in the handling of their inventory.

Approach:
Seed samples of accessions which have been placed in long term storage at the NCGRP will be selected for evaluation at the Colorado State University Seed Laboratory (CSU) to determine seed viability. Results of these tests will be entered into the GRIN data base and a report of all viability test results on an accession will be prepared and evaluated to determine how well the seed retains viability. Accessions which have a sufficient number of germination results to evaluate seed longevity will be used to develop a data base to predict seed deterioration of the species or subspecies. Critical factors in selecting accessions to evaluate will be decline in viablity and that an accession has sufficient viability readings to plot a seed deterioration curve.

Project Team

Wiesner, Loren James Stanelle - Director, Colorado Seed Growers Laboratory (970)495-3223

Project Annual Reports

FY 2003   FY 2002   FY 2001

Related National Programs

Plant, Microbial & Insect Genetic Res., Genomics, & Genetic Improv. I (301)