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Tree Fruit

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

Washington and Oregon State Extension Announce a New App for Little Cherry and X-disease Symptom and Insect Scouting

Published on
Download a new phone application designed to help orchardists scout, sample and identify symptoms and insect vectors of X-disease phytoplasma and Little cherry virus now…

Real-Time In-Orchard Apple Heat Stress Monitoring System

Real-Time In-Orchard Apple Heat Stress Monitoring System

Published on
Sunburn is a major issue in apple production, resulting up to 40% yield loss. Sunburn adversely affects the fruit aesthetics and reduces marketability. For several…

The ‘Honeycrisp’ Playbook: Bitter Pit Response to Rootstock and Region in Eastern New York State

Published on
Written by by Daniel J. Donahue 1*, Gemma Reig Córdoba 2, Sarah E. Elone 1, Anna E. Wallis 3 and Michael R. Basedow 4 1…

Using Soil Moisture Sensors in Pears

Published on
Irrigation sensors help you make more informed irrigation decisions based on soil moisture conditions in the root zone.

Survey: Natural Enemy Releases for Apples and Pears

Published on
Please respond to the following survey, which is designed to determine what current grower practices are regarding releasing beneficial insects for pest control in orchards…

Recursos para el manejo de la Enfermedad de la Cereza Pequeña (LCD)

Recursos para el manejo de la Enfermedad de la Cereza Pequeña (LCD)

Published on
Multiple resources are available for scouting and sampling of X-disease and Little Cherry disease during the 2021 season.

IPM for spotted wing drosophila (SWD)

Published on
There is renewed interest nationwide in improving IPM for spotted wing drosophila (SWD).  This pest has been present in the continental US for over a…

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Featured

2021 Codling Moth Survey
Codling moth has been the key pest of pome fruits across the growing regions of Washington and Oregon for over a hundred years. Over that time, pest management programs regularly evolved as key pesticides were phased…

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Upcoming Events

28
Jul

Okanogan Horticultural Society Summer Field Day

31883 Hwy 97 Tonasket WA
Event Details

30
Jul

WA Fruit Smart Orchard Field Day

3142 N. County Line, Grandview, WA
Event Details

4
Aug

Día de campo en WA38 WSU- Huerta Sunrise, TFREC. (WA38 Field Day in Spanish – Sunrise, TFREC)

WSU Sunrise Orchard
Event Details

9
Aug

WSDA Cull Cutter Training

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11
Aug

WSDA Cull Cutter Training

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Featured Videos

Honeycrisp Meetup: Post Harvest. Part 4. Brainstorming.

Honeycrisp Meetup: Post harvest session. Brainstorming session. Bernardita Sallato talks about a new problem WA growers are facing with Honeycrisp she has been investigating. Experts from Cornell University, Michigan State University, Washington State University and…

Honeycrisp Meetup: Post Harvest Part 3. Q&A

Honeycrisp Meetup: Post harvest session. Questions and Answers regarding Honeycrisp post harvest management. Include faculty experts from Cornell University, Michigan State University, Washington State University and experienced growers: Bruce Allen, Washington and Chris Kropf, Michigan….

Honeycrisp Meetup: Post Harvest. Part 2.

Honeycrisp Meetup: Post harvest session. Dr. Christopher Watkins, Cornell University. Shares a short overview about the effect of plant growth regulators (PGRs) on Post Harvest Management. Webinar series hosted by Mario Miranda Sazo, Cornell Cooperative…

Honeycrisp Meetup: Post Harvest. Part 1.

Honeycrisp Meetup: Post harvest Session. Dr. Randy Beaudry, Michigan State University professor, gives an overview of Honeycrisp problems during storage. Meeting hosted by Mario Miranda Sazo, Cornell Cooperative Extension, Anna Wallis, Michigan State University and…

Honeycrisp Meetup: Nutrient Management. Grower video clip

This video is a clip of the 2021 IFTA Virtual Honeycrisp Tour, in which nutrient management was discussed. It should be watched as a ‘teaser’ for the 2021 Honeycrisp Virtual Meetup, Webinar #3 on nutrient…

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Recent Publications

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…

Recent Achievements and New Research Opportunities for Optimizing Macronutrient Availability, Acquisition, and Distribution for Perennial Fruit Crops

Lee Kalcsits et al. 10/2020. Here, we highlight recent advancements and identify knowledge gaps in nutrient dynamics across the soil–rhizosphere–tree continuum for fruit crops.

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