WSU Tree Fruit

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Expert Presentations

Featured below are links and a brief description to WSU YouTube videos with educational content that includes invited seminars, presentations at meetings, “how to’s” in the field, lab visits, field day events, etc. Items in the list are arranged chronologically with the newest video at the top.

New codling moth tools- NCW Tree Fruit Days 2025

Betsy Beers, WSU Entomology described efficacy information on new codling moth products at North Central Washington Apple Day. Part of North Central Washington Tree Fruit Days sponsored by WSU Extension, NW Cherry Growers, Pear Bureau…

Optimizing tree fruit nutrition for fruit quality

Bernardita Sallato described the basics of nutrient demand and their impact on fruit quality, tools to determine rate, and a review of monitoring strategies at NCW Stone Fruit Day 2025. Part of North Central Washington…
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Private Network Participation – the Hardware and Software

Presented by Field Meteorologist, Contezac Hill and Sean Hill, Applications Systems Analyst/Developer
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AgWeatherNet Web Portal

AWN portal use presentation by Sean Hill, Application Systems Analyst, WSU AgWeatherNet
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Technical Update for AWN

A presentation by Jonathan Contezac, Field Meteorologist at AWN Mount Vernon
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AWN Overview

An overview of the WSU AgWeatherNet. AWN collects and delivers high quality, site-specific weather data and products for effective agricultural decision-support, serving irrigated agriculture in central Washington and the rest of the state (farmers, gardeners,…
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Meteorology Basics

A 25-minute crash course/Weather 101 answering basic questions about how weather works in the atmosphere.

New Products and Approaches for Codling Moth Management

Betsy Beers, WSU Entomology spoke at the 2024 NCW Tree Fruit Days on codling moth management. She described factors influencing trap catch and two years of new product efficacy data. NCW Tree Fruit Days is…
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Codling Moth: Building a Strong IPM Program

Good IPM practices combine the knowledge of biology, models, and orchard management to implement numerous control strategies. Industry leader and consultant Byron Phillips has deeply considered the influence of all factors to achieve control and…
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Codling Moth: Bin Management

For decades, we have known that wooden bins are a site where codling moth can overwinter. Therefore bin management must consider the effect on IPM. Industry expert Brad Higbee shares his research and experience to…
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Codling Moth: Achieving Optimum Spray Coverage

Sprayer calibration and optimization per canopy architecture is achievable if it is prioritized by management and personnel have an understanding of the affect of air, nozzles, and rates on deposition. Extension Specialist, Gwen Hoheisel, provides…
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Codling Moth: Considerations When Building a Spray Program

Chemical choices are clear, but the challenge is how to build a spray program that incorporates “The Decision Triad”, resistance management, and takes advantage of the selectiveness (ovicides, larvicides) of new chemistries. WSU researcher Rob…
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Codling Moth: The Effects of Netting

Netting is commonly used for sun and wind protection, but it can also be used to exclude insects from an orchard. Adrian Marshall shares research and expertise on how to implement netting for IPM.
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Codling Moth: Importance of Sanitation

Orchard sanitation includes the use of tree banding and removing infested apples. While successful, they can be laborious. Washington state industry expert Mark LePierre shares his experience to ensure success.
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Codling Moth: New Zealand Experience

New Zealand has successfully implemented Sterile Insect Release programs. The industry values IPM tactics and uses sterile insects as another integral tool. Principal Scientist, Jim Walker, discusses the New Zealand apple industry and the sterile…
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Codling Moth: The Canadian Experience

Canada has a successful Sterile Insect Release (SIR) program that was government funded. SIR is area-wide which has disrupts mating of codling moths and allows for increased control. Melissa Tesche, General Manager of the SIR…
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Codling Moth: Mating Disruption

Essential to an IPM program is understanding the different pheromone mating disruption techniques and their unique strengths and weaknesses. In this presentation, Don Thomson discusses the differences between Oriental Fruit Moth and Codling Moth (CM)…
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Codling Moth: How Orchard Management and Socioeconomic Conditions Affect Codling Moth

Orchard pest management, like pruning and thinning, is expensive and conducted on viable blocks. Abandoned or neglected orchards can lead directly to high populations of codling moth infesting neighboring blocks. Industry leader and consultant Jill…
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Codling Moth: Using Traps Properly

Trap placement, density, and lure type are affected by the biology and dispersion of codling moth. Knowing how to interpret counts in relation to prior experience is key in pest management.
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Codling Moth: Biology and Ecology

Successful codling moth management must begin with a a fundamental understanding codling moth history, host ranges, reproduction, and how temperature influences development. This presentation discusses critical components of biology and ecology of codling moth.
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Managing Fire Blight Infections: Pruning, Sanitation

Is it important to quickly prune out fire blight infected materials soon after an infection occurs? How we remove them effectively? And what about sanitizing or not our tools? Tianna DuPont, Washington State University Extension,…
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PACMAN Briefings: Session 2, Episode 3

LaGasse/Aurea/Munckhof – Ross Kranz and Tim Cromwell
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PACMAN Briefings: Session 3, Episode 2

AgerPix – Karina Lau
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PACMAN Briefings: Session 3, Episode 4

Mauricio Guerra Funes – How’s your adoption going?
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PACMAN Briefings: Session 4, Episode 1

3D Imaging and Digital Twin for Specialty Crops
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PACMAN Briefings: Session 4, Episode 3

Improving Apple Harvest with the Latest in AI Yield Estimation for Specialty Crops
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PACMAN Briefings: Session 4, Episode 4

Moog’s Autonomous Journey: “Agriculture Is the Lynch Pin”

Pollination with Blue Orchard Bees – Benefits and Management

The life history and unique characteristics of blue orchard bees will be highlighted along with research on their efficacy in cherry pollination and bee reproduction in the Washington cherry environment. Presented at North Central Washington…

Understanding Carbon Footprint in Tree Fruit: Industry Panel

These video series correspond to an educational forum hosted by WSU Tree Fruit Extensio, Washington Soil Health Initiative (WaSHI) and the Washington Tree Fruit Research Commission (WTFRC). We bought in global, national, and regional expertise…

Proposing a system to measure carbon fluxes in apple orchards. Dr. Andrew Bierer

These video series correspond to an educational forum hosted by WSU Tree Fruit Extensio, Washington Soil Health Initiative (WaSHI) and the Washington Tree Fruit Research Commission (WTFRC). We bought in global, national, and regional expertise…

Consumer Preferences for Pears

Carolyn Ross, Ann Colonna, and Karina Gallardo will discuss extensive research conducted last winter with over 20 pear varieties aimed at understanding which characteristics consumers in the Pacific Northwest prefer.

Importance of Sanitation for Codling Moth

This interview was conducted as part of the 2022 Codling Moth Summit. It features expert advice from Mark LePierre, a consultant and farm manager who has 30+ years of experience. Specifically, he discusses the practices…

Codling Moth Orchard Management and Socioeconomic Considerations

A Codling Moth Summit was held in February 2022 to highlight and capture known research and best practices for IPM programs in codling moth control. This interview with Jill Tonne from Nutrien highlights essential practices…

Root Health, Fertility, Water, and Crop load Effects on Bitter Pit

Bernardita Sallato, WSU Extension reviews factors contributing to bitter pit in WA and targeted management at North Central Washington Tree Fruit Days.
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La importancia del análisis foliar

Para mantener un huerto saludable, Bernadita Sallato recomienda monitoreo del estado nutricional del huerto usando la herramienta del análisis foliar.
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Symptoms of X-disease Phytoplasma in Stone Fruit

X-disease in peaches, plums and nectarines causes yellow leaves, shot hole and small deformed fruit.
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Symptoms of Little Cherry Virus and X-disease Phytoplasma

X-disease phytoplasma and Little cherry virus 2 cause small, pale deformed fruit in cherries. This video shows symptoms in a number of varieties.

Sweet Cherry Powdery Mildew Updates by Dr. Grove

Dr. Gary Grove presents an update on sweet cherry powdery mildew with an introduction of the disease, epidemiology, and current situation regarding pesticide resistance in Washington State.

Case Studies Matching Rootstocks to Scions and Soils

Three case studies where growers discuss their rootstock, soil, scion combinations.

Matching Rootstocks to Scions and Soils

Jenny Bolivar, WSU Extension discusses getting a good rootstock-scion-soil-system combination.

Tree Removal for X-disease and Little Cherry Disease

General tree removal recommendations and new trial results presented by Cody Molnar, WSU ITT Extension and Tianna DuPont, WSU Extension. Cherry Institute 2021. Sponsored by NW Cherry Growers and WSU Extension. Videography and production Nick…

WSU Virtual Cherry Field day: Cherry Harvest Efficiency Trials

Dr. Matthew Whiting describes several years of studies on sweet cherry harvest efficiency.

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.

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.

Síntomas de Fitoplasma X en Frutas de Hueso

X-disease in peaches, plums and nectarines causes yellow leaves, shot hole and small deformed fruit.

Stemilt Bi-axis Pear Block Virtual Tour

WTFRC’s Tory Schmidt hosts this virtual tour of the Stemilt pear block that utilizes the bi-axis technique.

WSU Virtual Cherry Field day: Q&A with Dr. Whiting on Harvest Efficiency Trials

Questions and Answers on Sweet Cherry Harvest Efficiency trials with Matthew Whiting, Luke Anderson and Suzanne Bishop.

Using Irrigation Sensors – Troy Peters

WSU Biological Systems Engineering’s Troy Peters describes common types of irrigation sensors and how to use them. Part of ‘Virtual Fielday’ May 2020. Virtual Field Day hosted by Tianna DuPont, WSU Extension, Troy Peters, WSU…

Irrigation Sensors with Jac LeRoux – Improving Irrigation Efficiency in Pears Virtual Field Day

Jac LeRoux, Wilbur Ellis company discusses irrigation sensors at WSU Extension ‘Virtual Field Day’ May 2020. Virtual Field Day hosted by Tianna DuPont, WSU Extension, Troy Peters, WSU Biological Systems Engineering, Lee Kalcsits, WSU Horticulture….

Scouting and Sampling for Little Cherry Disease – Part 1 – WSU-OSU Webinar Session 3

Scott Harper, WSU Plant Pathology, and Tianna DuPont, WSU Tree Fruit Extension, will discuss scouting and sampling for X Phytoplasma and Little Cherry Virus including recognizing symptoms, what to sample, where and when to sample….

Long Case Study Improving Irrigation Efficiency in Pears

Tianna DuPont, WSU Extension discusses with grower Brandon Long the results of a case study plot they implemented in a pear block with a history of cork. Watering using data from irrigation sensors reduced cork…

Improving Irrigation Efficiency in Pears Caudle Case Study

Pear irrigation systems can have challenges such as low pressure, run off, too much or too little water and clogging filters resulting in pears with cork or small size. Larry and Renee Caudle in Dryden…

WSU – OSU Webinar: Artificial Intelligence, Cyber-Physical Systems and Robotics for Agriculture

Decreasing availability and increasing cost of farm labor is a critical challenge faced by the agricultural industry around the world. Robotics has played a key role in reducing labor use and increasing productivity in farming….

How to build a soil pit to evaluate and improve your apple orchard

Bernardita Sallato demonstrates how to create and use soil pits to better manage, and improve the health of commercial apple orchards. Sallato is a Washington State University tree fruit extension specialist in Prosser, Washington.

Como construir una calicata para evaluar y mejorar tu huerto de manzana

Bernardita Sallato demuestra como crear y utilizar una calicata para mejorar la salud de los huertos de manzana comerciales y la administración de los mismos. Sallato es una especialista de la extensión de fruta de…

Flowering Fruit Set & Pollination

Flowering is a critical time for growers because fertilization rate has a fundamental relationship to yield and there is a short window of opportunity to set the crop for the year. The processes of pollination…

Taking time when testing WA 38 (COSMIC CRISP®) maturity

Ines Hanrahan, executive director of the Washington Tree Fruit Research Commission, shows differences in testing apple maturity between Granny Smith and WA 38 (COSMIC CRISP®) using an iodine starch test. Learn more about the recently…

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

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…

WA 38 ‘Cosmic Crisp™’ Fall Field Visits – Part 2

The WA 38 (or Cosmic Crisp™) trial compares vertical spindle, bi-axis and V-trellis training systems and both the M9-Nic29 and Geneva 41 rootstocks. Trial results are discussed by trial participants. Topics discussed include pruning and…

WA 38 ‘Cosmic Crisp™’ Fall Field Visits – Part 1

Drs. Bruce Barritt, Ines Hanrahan and Mr. Tom Auvil describe WA38 ‘Cosmic Crisp™’ cultivar characteristics, tree handling, rootstocks, pollination, thinning, the issue of stem punctures, stem clipping, fruit size, shape, color and post harvest performance.

Photoselective Anti-hail Netting Trial for ‘Honeycrisp’ Apple

An evaluation of the use of photoselective anti-hail netting is underway to reduce sunburn and improve productivity of ‘Honeycrisp’ apple in trials a commercial orchard in Quincy, WA. This video describes the methods used and…
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Pruning Bartlett Pears to Optimize Fruit Quality

Dr. Stefano Musacchi provides a tutorial on pruning Bartlett pear trees to optimize fruit quality. This includes using the concept of dynamic or renewal pruning, and the techniques of girdling, notching and limb bending. He…

Integrated Management of Postharvest Diseases of Pome Fruit

Dr. David Sugar (Oregon State University) emphasizes the management of postharvest diseases caused by fungi that enter pears through wounds (particularly during the harvest process).

A Tale of Two Mites: Ambyldromella caudiglans and Galendromus occidentalis in Washington Apple

Ms. Schmidt-Jeffris discusses predatory mite biodiversity in Washington apple orchards. She offered a brief history of integrated mite management in apple in the Pacific Northwest.

Root Physiology and Function in the Orchard

Dr. Lee Kalcsits provides an educational presentation reviewing root function and physiology in the orchard during the program “Roots: Foundation of Your Orchard’s Success” at the 2014 WSHA Annual Meeting, Kennewick, WA, December 3, 2014.

Roots and Soil Biology: Managing the “Microherd” for Maximum Tree Performance

More Video presentation by Speaker #4 – Dr. Mark Mazzola, USDA-ARS (Wenatchee, WA), as part of the program “Roots: Foundation of Your Orchard’s Success” at the 2014 WSHA Annual Meeting, Kennewick, WA, December 3, 2014. To see…

Characteristics of Tree Root Systems

More Video presentation by Speaker #3 – Dr. David Eissenstat, Penn State Univ. (University Park, PA), as part of the program “Roots: Foundation of Your Orchard’s Success” at the 2014 WSHA Annual Meeting, Kennewick, WA, December 3,…

Optimal Tree Nutrition and Fruit Production Begins Underground – The Apple Rootstock Story

Dr. Gennaro Fazio provides an educational presentation reviewing the role of rootstock in apple tree nutrition and fruit production during the program “Roots: Foundation of Your Orchard’s Success” at the 2014 WSHA Annual Meeting, Kennewick,…

Fruit Testing at the WSU Apple Breeding Program

More Dr. Kate Evans and her apple breeding team take us on a tour during a typical day in her Fruit Quality Evaluation Laboratory. Specifically, Kate will speak about the broader goals of the apple…

The Hows and Whys of Soil Testing

More This video captures an invited seminar by Dr. Joan Davenport, WSU Crop and Soil Sciences Dept. (IAREC-Prosser, WA), presented at WSU-TFREC in Wenatchee on October 29, 2014.  This seminar focuses on four main topics:…

Cosmic Crisp™ WA 38 Field Days

More This video was recorded at two commercial grower field days on September 17 and 30, 2014. It provides the viewer with a look at the Cosmic Crisp™ WA 38 apple both at Washington State…

The Future of IPM in Orchard Crops

More Speaker: Dr. Vince Jones, Professor of Entomology and Director of WSU-DAS. Affiliation: Washington State University, Tree Fruit Research and Extension Center, Wenatchee, WA 98801. Synopsis: Dr. Vince Jones was invited to give his unscripted opinion about the future of…