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
How to Effectively Manage Codling Moth
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
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…
Apply Mating Disruption for Codling Moth
Mating disruption dispensers should be in place before the start of bloom.
Getting Ready for Fire Blight Prevention
As Fire Blight season approaches make sure you have your fire blight plan in place. Most products work best when applied within the 12-24 hour…
Featured Event
FMSA PSA Grower Training – ENGLISH
May 2, 2019
The Washington State Tree Fruit Association will hold a Produce Safety Alliance Grower Training course on May 2, 2019 in Union Gap, WA. This one-day class fulfills the FSMA Produce Safety Rule requirement for Produce…
Upcoming Events
2018 Impact Report: Tree Fruit Endowment Advisory Committee (pdf)
Featured Videos
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…
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
