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Washington State University

Tree Fruit

New Alternatives Fruit Crops for Western Washington (pdf)
Many of the alternative fruit crops presented in this bulletin were initially tested for suitability to the home grower. There are several questions to be answered when looking for new crops that have the potential to be profitable; this bulletin will help answer some of those questions. Washington State University, January 2006

Nutrient Disorders in Tree Fruits (pdf)
Nutritional problems often can be diagnosed by the appearance and status of the plant, its blossoms, flowers, or fruits. A Pacific Northwest Extension Publication, February 1994

Orchard Soil Sampling
Soil characteristics such as pH, nutrient levels, and salts are important in managing orchards and establishing new ones. Washington State University Extension, January 1991



Pruning Apple Trees: Basic Concepts Video
This DVD follows a tree fruit specialist who prunes a dormant tree and revisits it in subsequent seasons. Topics covered include fruiting habit, apical dominance, branch spreading, and use of thinning and heading cuts in pruning your orchard. 24 Minutes, English & Spanish. Washington State University, January 1989

Growing Jonagold in Western Washington
This new apple is gaining popularity in cooler western Washington climates. Researchers offer helpful guidelines on nutrition and culture for best results. Evaluation of different strains, pollination requirements, site selection, training, pruning, pest control, thinning, and harvest are covered.Washington State University, September 1995

Apple Scab (pdf)
Apple scab is a fungal disease that is most common in areas of high rainfall and relative humidity. Spots and lesions develop on leaves and fruit. Illustrations identify symptoms and describe the fungus life cycle, while tables provide detail susceptible conditions and cultivars. Control consists of sprays and proper culture. Color photos Washington State University, December 2005


Stone Fruit

Choosing Pear Rootstocks for the Pacific Northwest (pdf)
Both seed derived and clonal rootstocks are reviewed for their susceptibility to pear decline, fire blight, cold damage, root aphids, and iron chlorosis. Climate and soil conditions are noted. Washington State University, January 1995

Brown Rot of Stone Fruits
This disease can destroy blossoms, fruit, and stems of peaches, plums, cherries, and apricots. Symptoms include brown rot cankers and mummified fruit. Control involves sanitation and fungicides. Washington State University, October 1996

Cherry Training Systems: Selection and Development (pdf)
Author discusses training system options, and provides pruning and training techniques for the first and subsequent seasons in text and diagrams. Washington State University, 2001