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Dr. George F. Knowlton, at the USAC Agricultural Experiment Station, holding up two drawings of pea aphids, a common pest of pea, alfalfa and of certain clovers, 1950s

 Item — item: USU A-0845

Scope and Contents

Aphids spread virus diseases to celery, potatoes, beans, and various other farm crops. These tiny pests were investigated by Dr. George F. Knowlton for a number of years. He spent many years in research, teaching, and extension activities dealing with the insect pests of crops and livestock in the Intermountain area.

Dates

  • Creation: 1950s

Language of Materials

From the Collection:

Collection materials are in English.

Restrictions

Open to public research.

Extent

From the Collection: 3.0 linear ft. (2 filing cabinets)

Repository Details

Part of the Utah State University, Merrill-Cazier Library, Special Collections & Archives Repository

Contact:
Merrill-Cazier Library
Utah State University
3000 Old Main Hill
Logan Utah 84322-3000 United States
435 797-8248
435 797-2880 (Fax)