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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

Video: Perfil de maduración de WA38 en tres sistemas de producción y dos portainjertos. Años 2020-2021

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Esta presentación muestra los resultados de un caso estudio donde se evaluo la maduración de la fruta de WA38 a través de diferentes zonas de…

Videos: seguridad en el uso de escaleras y plataformas en la huerta

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La Washington State Tree Fruit Association (WSTFA) se enorgullece en anuciar la publicación del video de Seguridad en el uso de Escaleras y Plataformas en…

El desarrollo de green spot en WA 38 se ve afectado por desequilibrio nutricional y portainjerto

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Green spot es un desorden que puede afectar al cultivar ‘WA 38’. En este artículo resumimos los resultados de un estudio realizado por Bernardita Sallato…

Rootstock and Nutrient Imbalance Leads to ‘‘Green Spot’’ Development in ‘WA 38’ Apples

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Green spot is a disorder that can lead to considerable losses for growers of ‘WA 38’ apples, here we summarize key findings on GS in…

Orchard Ladder and Platform Safety Video

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The Washington State Tree Fruit Association (WSTFA) is pleased to announce the release of a Ladder and Platform safety training video, which is part of…

Fiscal Technician 3 (Civil Service Position)

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Washington State University’s Tree Fruit Research and Extension Center is seeking a full-time Fiscal Technician 3 (civil service position) for our Wenatchee, WA location. In…

Soil Health Indicators for Central Washington orchards

Soil Health Indicators for Central Washington orchards

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To help growers in Central Washington orchards, Washington State University scientists demonstrated that Washington orchard soil health indicators should include measurements of water availability and…

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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

18
Jan

Apple Day – North Central Washington Tree Fruit Days

Wenatchee Convention Center
Event Details

19
Jan

Stone Fruit Day – North Central Washington Tree Fruit Days

Wenatchee Convention Center
Event Details

19
Jan

Manejo de Frutales

Wenatchee Convention Center
Event Details

20
Jan

Pear Day – North Central Washington Tree Fruit Days

Wenatchee Convention Center
Event Details

25
Jan

Next Generation Tree Fruit Network on Soil Fertility

Pybus Event Center
Event Details

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Featured Videos

Perfil de maduración de WA38 en tres sistemas de producción y dos portainjertos. Años 2020-2021

Estudio caso desarrollado en la huerta experimental del Centro de Investigación y Extensión, IAREC (por sus siglas en Inglés), Prosser, WA.

WA38 maturation profile on three production systems and two rootstock types. Years 2020-2021

Case study carried out at the WA39 demo orchard at the Irrigated Agriculture Research and Extension Center (IAREC), Prosser, WA.

ISHS Orchard Systems Symposium – Pear

Bob Gix, Rudy Prey, and Ray Schmitten are the hosts on the pear tour.

ISHS Orchard Systems Symposium – Cherry

The cherry video is a tour of several blocks with Cherry King, Kyle Mathison.

ISHS Orchard Systems Symposium – Apple

In the apple video, Suzanne Bishop, Dave Gleason, Mike VanPelt, and Dale Goldy host an orchard stop.

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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…
image shows a tractor pulling a rototiller attachment making individual tilled rows.

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…

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