John E. Preece

Supervisory Research Leader/Horticulturist
USDA-ARS
National Clonal Germplasm Repository
One Shields Ave.
University of California
Davis, CA
USA 95616-8607
Email: John.Preece@ars.usda.gov

Papers:
Figs: An Old California Industry in Transition Luther Burbank’s Contributions to Walnuts