This collection contains publications, photographs, and other material regarding pest control research and services during the early-mid 1900s. Primarily includes publications pertaining to plant disease and pest control in the citrus industry by researchers such as Henry J. Quayle and R.S. Woglum. Additional material regarding the pest control services of Washburn & Sons in Riverside, California and surrounding areas is also included.

Washburn & Sons is a pest control service located in Riverside, California that worked closely with local citrus growers and the University of California, Riverside Citrus Research Center and Agricultural Experiment Station (formerly Citrus Experiment Station) in the early-mid 1900s regarding plant disease and insect control in citrus orchards.

2.13 linear feet (3 boxes)

Copyright Unknown: Some materials in these collections may be protected by the U.S. Copyright Law (Title 17, U.S.C.). In addition, the reproduction, and/or commercial use, of some materials may be restricted by gift or purchase agreements, donor restrictions, privacy and publicity rights, licensing agreement(s), and/or trademark rights. Distribution or reproduction of materials protected by copyright beyond that allowed by fair use requires the written permission of the copyright owners. To the extent other restrictions apply, permission for distribution or reproduction from the applicable rights holder is also required. Responsibility for obtaining permissions, and for any use rests exclusively with the user.

This collection is open for research.