Washington State University; guidelines for crop protection for fruit, including recommendations. TFREC is the research and extension center of Washington State University dedicated to the tree fruit sciences. Located in the primary fruit producing region of the world, the center features a cooperative, multidisciplinary approach to tree fruit production in the 21st century.

Address: 1100 N Western Ave, Washington State University, Wenatchee WA 98801
Telephone: 509-663-8181
Website: http://jenny.tfrec.wsu.edu/eb0419/