Switzerland / Germany / Romania / Hungary / Netherlands / Italy / Algeria / Bulgaria / Cyprus / Albania / Iran / Sweden / Poland / Norway / Belgium / Turkey / France / Austria / United States / Syria / Soviet Union / United Kingdom / China / Yugoslavia / Finland / Spain / India / Denmark / Czech Republic / /
Facility
French National Institute / /
Movie
D. V / /
Organization
Michigan State University / Royal Horticultural Society / USDA / French National Institute for Agricultural Research / U.S. Department of Agriculture / National CAPS committee / Michigan Department of Agriculture / / /