New Alternative Fruit Crops for Western Washington, by G.A. Moulton, and J. King, Washington State University, Mt. Vernon. EB 2002
Considerations in Organic Apple Production. By Guy Ames, NCAT Agriculture Specialist. July 2001. Appropriate Technology Transfer for Rural Areas (ATTRA).
Organic & Integrated Fruit Production. WSU Center for Sustainable Agriculture and Natural Resources.
Organic and Low-Spray Apple Production. By Richard Earles, Guy Ames, Radhika Balasubrahmanyam, and Holly Born, NCAT Agriculture Specialists. October 1999. Appropriate Technology Transfer for Rural Areas (ATTRA).
Growing Jonagold apples in Western Washington. September, 1995. Gary Moulton, Washington State University Mt. Vernon. EB1804. Thorough discussion, along with color plates.
2009 Crop Protection Guide for Tree Fruits in Washington. Washington State University. A 152-page PDF document covering all of the important diseases, insects, and weeds common on tree fruits.
Insect IPM in Apples – Kaolin Clay. By Rex Dufour, NCAT Agriculture Specialist. 2001. Appropriate Technology Transfer for Rural Areas (ATTRA).
Orchard Monitoring Manual for Pests, Natural Enemies and Diseases of Apple, Pear and Cherry: An Illustrated Guide For Washington State. 2004. The manual, which includes 51 pages of text and 22 sheets of color photos was compiled by Naná Simone, pest management consultant and director of Center for Agricultural Partnership Hispanic Orchardist IPM Education Program. The manual is available in both English and Spanish and can be downloaded in Adobe Acrobat (PDF) format.
Organic Orchards: Pioneer Spirit Lives On In Small Grower. By Deborah Stenberg.
Organic, What Is It? 2001. Joe Gabriel, Oregon Organic Marketing, Eugene, OR.
Thinking about growing and selling organic apples and pears? By Deborah Stenberg.
Washington Tree Fruit Research Commission, established by the Washington legislature in 1969 to promote and carry on research and administer specific industry service programs for the tree fruit industry.