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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

Pear Psylla Update and Soft Spray Strategies

Published on
Written by Louis Nottingham, WSU, May 2019 Greater densities of pear psylla adults have been observed this spring than in 2018. Many orchards in the…

Developing a cv. WA 38 starch scale for the Washington State apple industry

Published on
Written by Ines Hanrahan and Marcella Galeni, Washington Tree Fruit Research Commission, May 2019   At a Glance WA 38 develops two predominant starch patterns…

Honey Bee Management in Tree Fruit Orchards

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An update on honeybee management for tree fruit orchards from Tim Lawrence, WSU Extension, and Tory Schmidt, WA Tree Fruit Research Commission.

How to Effectively Manage Codling Moth

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Without any intervention, codling moth numbers increase about four-fold from generation to generation. Therefore, targeting the first generation is important to reset the population size…

Using dry matter to increase consumer liking and retail purchase price of d’Anjou pear

Published on
Written by Sara Serra, WSU, March 2019 Evaluating the fruit dry matter at harvest by the adoption of a NIR (near-infrared spectroscopy) technology can contribute…

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Featured Event

FSPCA Preventive Controls for Human Foods

Jun 4, 2019
This 3-day course has been designed by the Food Safety Preventative Controls Alliance (FSPCA) in collaboration with the FDA. It is a course recognized by FDA at present in meeting their requirements. By successfully completing…

Upcoming Events

4
Jun

FSPCA Preventive Controls for Human Foods

Event Details

6
Jun

Cherry Preharvest Tour – The Dalles, OR

Event Details

6
Jun

Pear IPM Discussion: Biological Control Releases

Mission Creek Community Club
Event Details

10
Jun

WSU Cherry Field Day – June 10

Hayden Farms
Event Details

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Featured Videos

Para mejorar la calidad de fruta, utilice el análisis de suelo

El análisis de suelo es fundamental para el manejo de la nutrición del huerto. En este video, Bernardita Sallato nos muestra cómo tomar la muestra de suelo en un huerto frutal. https://www.youtube.com

Netting for Apple Insect Management

Shade nets are becoming popular to reduce sunburn on apples, but what effect do they have on movement of insects? WSU graduate student Adrian Marshall is investigating the potential of mesh barriers to keep pests…

WA 38 Fruit Quality Update 2019

Dr. Ines Hanrahan, Executive Director for the WA Tree Fruit Research Commission, presents information about WA 38 fruit quality studies including recent results and future plans. This presentation was part of the 2019 Apple Day…

WA 38 Horticulture Update 2019

Dr. Stefano Musacchi, Endowed Chair of Tree Fruit Physiology & Management at WSU, discusses the most recent information about the best horticultural practices for WA 38 apple trees and updates on related research. There is…

Northwest Profiles: Cosmic Crisp® (New Washington State Apple)

Bred from the marriage of two apples, and over 20years in the making…a once in a generation pome is destined to make a huge splash in the apple industry. Dubbed the Cosmic Crisp®, this apple…

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Recent Publications

Use of Protective Netting in Washington State Apple Production

G Mupambi, D Layne, L Kalcsits, S Musacchi, S Serra, T Schmidt, and I Hanrahan. 2019. TB60E. WSU Extension Pubs. Washington State (WA) is the largest producer of apples in the United States. The major…

Protective Netting Improves Leaf-level Photosynthetic Light Use Efficiency in ‘Honeycrisp’ Apple Under Heat Stress

G Mupambi, S Musacchi, S Serra, L Kalcsits, D Layne, and T Schmidt. 2018. HortScience 53(10): 1416-1422. DOI: 10.21273/HORTSCI13096-18

Postharvest Dry Matter and Soluble Solids Content Prediction in d’Anjou and Bartlett Pear Using Near-infrared Spectroscopy

A. Goke, S. Serra, S. Musacchi. 2018. Hortscience 53(5):669-680.  https://doi.org/10.21273/HORTSCI12843-17

Characterization of a novel self-incompatibility allele in Malus and S– genotyping of select crabapple cultivars

R. Sheick, S. Serra, P. De Franceschi, L. Dondini, S. Musacchi. 2018. Scientia Horticulturae 240:186-195. https://doi.org/10.1016/j.scienta.2018.05.050

Optimization of Leaf Area Estimation in a High-Density Apple Orchard Using Hemispherical Photography

A. Knerl, B. Anthony, S. Serra, S. Musacchi. 2018. HortScience 53(6):799-804. https://doi.org/10.21273/HORTSCI12969-18

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