WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Monday, February 18, 2019

Pest Management

 This web site has been relocated to  and will no longer be available in the future.  Please bookmark the new page. Thank you.

Diseases of Tree Fruits and Grapes. Home page for the fruit pathology program at WSU. Includes information on many diseases present in the soil.

Using Mulches to Improve Efficacy and Persistence of Insect Specific Nematodes for Control of Overwintering Codling Moth. by L.A. Lacey, D. Granatstein, H.L. Headrick, R. Fritts Jr., and S. Arthurs. 2004. A poster summarizing the 2004 results of using entomopathogenic nematodes in conjunction with mulch to enhance mortality of codling moth larvae.

Peshastin Creek Areawide Organic Project. Using areawide pest management in conjuction with organic insect pest control techniques in pears.

Wenatchee Valley Pear IPM Project. The final report (2001) report by Ted Alway describes in detail the findings, both biological and economic, after the third season of bio-intensive pest management in selected pear orchards. A PDF file.

Building a Stable IPM System for Western Orchards. The report for the first year of the multi-tactic pheromone-based pest management project, a follow-up to the Areawide Mating Disruption projects from the late 1990s.

Organic Tree Fruit Management in the West

New concepts and techniques are featured in Organic Tree Fruit Pest Management in the West: Bringing New Science to Old Problems. The presentations from this symposium are now available on-line at

Tree Fruit Research & Extension Center, 1100 N Western Ave, Washington State University, Wenatchee WA 98801, 509-663-8181, Contact Us