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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

New Organic Courses through USDA-NOP

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The USDA National Organic Program (NOP) is offering two new courses focused on 1) “Residue Sampling and Testing,” designed to provide insights for those overseeing…

New Pear Psylla Project Initiation: Precision Management using pear psylla degree-day model

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Pear psylla has been a top challenge to pear growers in the PNW since it first arrived in the 1940s. Chemical insecticides have never been…

New Resources for Sprayers

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The goal for all pesticide applications should be to get every drop to the crop. Calibration ensures that the appropriate product rate is applied by…

Welcome! New Extension ITT Coordinator Specialist in Post-harvest Systems

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Chris Hedges has been hired to work with the WSU Tree Fruit Extension Team and the Carolina Torres post-harvest systems program. Chris is a native…

Dendrometers in the apple industry in Washington – Five Facts

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Dendrometers are sensors that can be used in the apple industry to improve orchard management. This infographic presents five facts that you should know about…

Dendrómetros en la industria de la manzana en Washington – Cinco Aspectos

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Los dendrómetros son sensores que pueden ser usados en la industria de la manzana para mejorar el manejo de la huerta. En esta infografía se…

New USDA Projects Funded to Support the Washington Tree Fruit Industry

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Members of the Tree Fruit Extension team have been working hard to secure federal funding for challenges facing the industry. They are part of national…

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Announcement

Winter Educational Opportunities

WSU Tree Fruit Extension will provide a variety of learning opportunities this fall and winter in order to continue to bring growers research-based information while maintaining your safety from Covid19. Opportunities will include webinar series,…

Upcoming Events

19
Jan

Mating Disruption as a Basis for Apple IPM & Coverage is Key in Apple IPM: Webinar

Webinar
Event Details

19
Jan

Codling Moth Apple IPM – Don’t Forget the Basics, SIR Update: Webinar

Webinar
Event Details

19
Jan

The Labor Piece of the Production Puzzle: Webinar

Webinar
Event Details

20
Jan

Pear IPM: Webinar

Webinar
Event Details

20
Jan

Using Honeydew Washing to Improve Pear IPM: Webinar

Webinar
Event Details

20
Jan

Irrigating Pears for Quality: Webinar

Event Details

21
Jan

X-disease and Little Cherry Virus: Webinar

Event Details

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Featured Videos

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Enfermedad de la cereza pequeña en cerezos

Bernardita Sallato comparte información respecto a la enfermedad de la cereza pequeña, síntomas para su identificación, medidas de prevención y control de vectores.
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Nutrient differences in WA 38 apples with and without green spot

Bernardita Sallato explains nutrient composition differences between WA 38 apples with and without green spot, and how rootstock and growing systems can influence green spot development.
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Rootstock Differences in WA 38

Bernardita Sallato talks about a two-year project on root growth differences between WA 38 trees grown on G 41 and M9-Nic 29 rootstock and possible relation with green spot development.

Manejo del vigor en huertas y su relación con el rendimiento

Esta presentación, dada en español, provee información general acerca del vigor, factores que influyen en el manejo de la huerta y la influencia de los portainjertos en el vigor y producción de la huerta. This…

Identifying Strategies for Pear IPM Success

Recorded presentation from WSU-OSU Pear IPM Webinar on December 2, 2020, hosted by Chris Strohm and Tianna DuPont, WSU Extension. In this recording, Chris Strohm discusses various IPM strategies for pear. This project was funded…

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Recent Publications

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.

RosBREED: bridging the chasm between discovery and application to enable DNA-informed breeding in rosaceous crops

This review presents a synopsis of the approach, deliverables, and impacts of RosBREED, highlighting synergistic global collaborations and future needs. Enabling technologies and tools developed are described, including genome-wide scanning platforms and DNA diagnostic tests.

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