Tree Fruit Research and Extension
WSU Tree Fruit Research and Extension develops and applies research-based information for sustainable tree fruit production in Washington and the world.
Recent News
Orchard Bee Association Annual Meeting
Please join us for our annual meeting to learn about the latest mason bee research and industry news. Virtual attendance will also be made possible…
NOSB Fall 2022 Meeting Comment Period Open
Comments due September 29 for National Organic Standards Board. Critically important materials up for review this October include: Fixed coppers and copper sulfate, sticky traps…
Honeycrisp Starch Chart
The following honeycrisp starch scale was developed by the Washington Tree Fruit Research Commission. Honeycrisp Starch Scale
2022 Commercial Harvest and Storage Criteria for WA 38
Use this guide in addition to the published marketing and quality standards for the 2022 crop year. First ship date for fruit produced in the…
2022 Update: Additional WA 38 Harvest and Storage Considerations
The compound 1-methylcyclopropene (1-MCP) has been used as a postharvest storage treatment to slow fruit ripening. The 1-MCP binds to ethylene receptors and hinders ethylene-depended…
Cost Share Funds Available to Cherry and Stone Fruit Producers through Grant for X-disease and Little Cherry Disease Tree Removal
Washington State University Extension in partnership with county Conservation Districts and Pest Boards announce the availability of cost-share funds for the removal and testing of…
Upcoming Events
11
Oct
Oct
Next Generation Network: IRRIGATION STRATEGIES AND TECHNOLOGY
WSU Sunrise Orchard
Featured Videos
WSU Weather School Video
Meteorologic Basics by Jon Boomgard-Zagrodnik
Consumer Preferences for Pears
Carolyn Ross, Ann Colonna, and Karina Gallardo will discuss extensive research conducted last winter with over 20 pear varieties aimed at understanding which characteristics consumers in the Pacific Northwest prefer.
Understanding the carbon footprint of tree fruit
These video series correspond to an educational forum hosted by WSU Tree Fruit Extensio, Washington Soil Health Initiative (WaSHI) and the Washington Tree Fruit Research Commission (WTFRC). We bought in global, national, and regional expertise…
2022 Virtual Orchard Meetup Series – Technology
This is the fourth presentation in the 2022 Virtual Orchard Meetup series, recorded on July 14, 2022. The 2022 series theme is Orchard Efficiencies: Labor and Technology. This fourth webinar focused on academic researchers with…
2022 Virtual Orchard Meetup Series – Technology panel
This is the third presentation in the 2022 Virtual Orchard Meetup series, recorded on June 30, 2022. The 2022 series theme is Orchard Efficiencies: Labor and Technology. This third webinar focused on grower experiences with…
Recent Publications
Soil Health Indicators for Central Washington Orchards
To help growers in Central Washington orchards, Washington State University scientists demonstrated that all soil health indicators should include measurements of water availability and root health in addition to standard fertility indicators to meet stakeholder…
Field scale application of Brassica seed meal and anaerobic soil disinfestation for the control of apple replant disease.
Study published June 2021 in Applied Soil Ecology shows potential of anaerobic soil disinfestation and biorenovation with mustard meals for mitigation of replant disease.
Towards rapid detection and mapping of powdery mildew in apple orchards
Chandel, Khot, Sallato Dec 2020. Powdery mildew (PM) in apples is a critical fungal disease that adversely affects yield and fruit quality. Conventional PM identification techniques are laborious. This study evaluated the suitability of non-destructive…
Photoselective Protective Netting Improves “Honeycrisp” Fruit Quality
Sara Serra et al. Dec 2020. High temperatures, wind, and excessive sunlight can negatively impact yield and fruit quality in semi-arid apple production regions. Netting was originally designed for hail protection, but it can modify…
Sweet Cherries
L. Long, G. Lang & C. Kaiser Dec 2020. This new book provides comprehensive coverage of the history, genetic improvements, production physiology of growth and cropping, orchard establishment and management, and harvest considerations for sustainable…
