Showing Collections: 71 - 80 of 101
USDA and National Cancer Institute Plant Collections Records
USDA Animal and Plant Health Inspection Service Veterinary Services Records
USDA Bureau of Entomology and Plant Quarantine Collection
USDA Bureau of Entomology and Plant Quarantine Photograph Collection
USDA Bureau of Plant Industry Horticultural and Pomological Investigations Records
USDA Bureau of Plant Industry Records
USDA Bureau of Plant Industry Wine Research Collection
USDA Chestnut Tree Research Records
The USDA Chestnut Tree Research Records documents chestnut tree seed distribution and growth across the United States, England, and Canada in the early-to-mid-twentieth century. The program served to reintroduce and monitor the progress of various species of chestnut trees following the introduction of Cryphonectria parasitica, or chestnut blight, from East Asia to North America and Europe in the early 1900s.
USDA Crop Fiber Research Collection
USDA Division of Cereal Crops and Diseases Photograph Collection
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