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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.

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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,…

Managing Mites in Pears

Rebecca Schmidt Jeffris discussed spider mites, rust mites, and blister mites: how different active ingredients work, efficacy, pesticide effects on natural enemies, weed associations and pesticide impacts on outbreaks at NCW Tree Fruit Days. NCW…
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Powdery Mildew Best Management

Gary Grove, WSU Plant Pathology spoke at 2024 NCW Tree Fruit Days on powdery mildew management. Topics covered include: management starts with pruning; irrigation starts the infection cycle; importance of suckering; importance of timing products…
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Earwig Trapping, Releases and Pesticide Impacts

Aldo Hanel, WSU Entomology spoke at the 2024 NCW Tree Fruit Days on earwigs for biocontrol. Moving earwigs from stone fruit to pome fruit can improve control of woolly apple aphids and pear psylla, but…
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Meteorology Basics

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

Codling Moth Mating Disruption

Don Thomson spoke on codling moth mating disruption at the 2024 NCW Tree Fruit Days. He described the importance of point sources, weather impacts on risk and the potential for resistance. NCW Tree Fruit Days…

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…

Pre-emergent Herbicides-Timing Trials and Product

Mike discussed results from his multi-year pre-emergent herbicide timing trials at two field sites in New York. He provided some practical tips for fall herbicide applications to maximize product efficacy, and will briefly review some…
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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: Resistance Management

Historically, the availability of different chemical choices has been driven by regulations and pesticide resistance. Understanding how the over use of chemical classes leads to the loss of products should be the foundation of a…
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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: Predictive Modeling

Insect models are a mathmetical calculation to predict the expected development (phenology) of an insect, but do not always represent exact field populations. Interpretation of models will be discussed as well as the implementation within…
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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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Virtual Orchard Meetups: Heat Session Grower Panel with Garrett Henry, WA & Steve Frecon, PA

Managing the Uncontrollable: Resilience to extreme events. Heat session Grower Panel.
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Virtual Orchard Meetups: Heat Session with Randolph M Beaudry, Michigan State University

Managing the Uncontrollable: Resilience to extreme events. Heat Session with Randolph M Beaudry, Michigan State University.
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Virtual Orchard Meetups: Heat Session with Lee Kalcsits, Washington State University

Managing the uncontrollable: resilience to extreme events
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Virtual Orchard Meetups Series: Cold Session Grower Panel

Virtual Orchard Meetups: Cold Session Grower Panel
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Virtual Orchard Meetups Series: Cold Session with Jason Londo

Virtual Orchard Meetups Series: Cold Session with Jason Londo
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Virtual Orchard Meetups Series: Cold Session with Matthew Whiting

Virtual Orchard Meetups: Cold Session with Matthew Whiting
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Biopesticides: Efficacy and Use

With increasing organic acreage and scrutiny of antibiotics use, alternatives to antibiotics for the control of fire blight are necessary. Dr. Ken Johnson, Oregon State University, talked about biopesticide efficacy and their use for the…
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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 1, Episode 1

Terence Robinson – Updates on horticultural work, Flow chart for Precision Crop Load
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PACMAN Briefings: Session 1, Episode 2

Jon Clements – Predicting fruit set using the fruitlet growth rate model apps (Malusim & Fruit Growth)
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PACMAN Briefings: Session 1, Episode 3

Brent Arnoldussen – Pollen Tube Growth Model
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PACMAN Briefings: Session 1, Episode 4

Todd Einhorn – Fruit Growth Model (new method)
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PACMAN Briefings: Session 2, Episode 1

Pometa – Dave Brown and Patrick Plonski
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PACMAN Briefings: Session 2, Episode 2

Fruit Scout – Chris Hall and Matt King
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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 2, Episode 4

Orchard Robotics – Charlie Wu
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PACMAN Briefings: Session 2, Episode 5

Outfield–Oli Hilbourne and Andrew Schmack
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PACMAN Briefings: Session 3, Episode 1

Vivid Machines – Jenny Lemieux
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PACMAN Briefings: Session 3, Episode 2

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

Innov8 – Steve Mantle
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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 2

Crop Load Adjustment Based on Early Flower Bud Detection
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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…

Powdery Mildew and Shot Hole Management

Mildew update. Resistance management. Cherry leaf spots including shot hole. Presented at North Central Washington Tree Fruit Days 2023 co-hosted by WSU Extension, NCW Fieldmens Association, NW Cherry Growers and Pear Bureau Northwest.

Decoys and Waxes – Potential New Tools for the SWD Toolbox

Information will be shared of the mechanism and efficacy of two non-toxic tools in the IPM toolbox against Drosophila suzukii, (Spotted-wing drosophila, SWD). Additional information will be shared of possible integrated strategies for using these…

Phenology-based integrated pear pest management step by step

Timing and efficacy of key cultural practices and insecticide applications through-out the season. Effectiveness in 2022. Presented at North Central Washington Tree Fruit Days 2023 co-hosted by WSU Extension, NCW Fieldmens Association, NW Cherry Growers,…

Rethinking Rootstock Tolerance to Replant Disease

How does rootstock tolerance differ according to genotype? Utilization of rootstocks with amendment-based disease control strategies. Improving our ability to utilize tolerant rootstocks. Presented at North Central Washington Tree Fruit Days 2023 co-hosted by WSU…

Fire Blight. Refinement of Nonantibiotic Spray Programs for Fire Blight

What have we learned from 29 trials between 2013 and 2021 in Oregon. Efficacy of combined non-antibiotic programs. Presented at North Central Washington Tree Fruit Days 2023 co-hosted by WSU Extension, NCW Fieldmens Association, NW…

Natural enemy conservation biological control – mitigating pesticide non-target effects

This talk will cover where to find information on pesticide non-target effects, overview pesticide non-target effects on apple natural enemies, and provide a brief research update on ongoing research. Presented at North Central Washington Tree…

The Role of Rootstocks in Plant Nutrition

How does rootstock tolerance differ according to genotype? Utilization of rootstocks with amendment-based disease control strategies. Improving our ability to utilize tolerant rootstocks. Presented at North Central Washington Tree Fruit Days 2023 co-hosted by WSU…

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…

Stone Fruit Viruses

In addition to little cherry virus a number of viruses affect sweet cherry. Cherry leafroll, prune dwarf virus, cherry mottle leaf, cherry rasp leaf, cherry twisted leaf, necrotic rusty mottle, rogose mosaic. Presented at North…

Apple IPM Reminders

Effective codling moth management as a basis for apple IPM. Mating disruption, monitoring, organic controls. New research. Presented at North Central Washington Tree Fruit Days 2023 co-hosted by WSU Extension, NCW Fieldmens Association, NW Cherry…

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…

Carbon models for organic soil amendments. Dr. Ball.

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…

Understanding the carbon footprint: Case studies in tree fruit. Dr. Arellano.

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.

Understanding the carbon footprint of tree fruit: Dr. Arellano

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…

2022 Virtual Orchard Meetup Series – Technology

This is the fourth presentation in the 2022 Virtual Orchard Meetup series, recorded on July 14, 2022. The 2022 series theme is Orchard Efficiencies: Labor and Technology. This fourth webinar focused on academic researchers with…

2022 Virtual Orchard Meetup Series – Labor session 2

This second webinar included legal considerations and labor efficiency, with emphasis on the H2a program. Panelist included Dr. Brooke Duer, Dr. Philip Martin, and Dr. John Van de Vegte

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.

Season Long IPM Management for Pear Psylla

Pear psylla phenology, pre‐bloom kaolin and insect growth regulators, summer pruning, timing honeydew washes, summer covers, fall kaolin. A presentation by Louis Nottingham, WSU Entomology at North Central Washington Tree Fruit Days.

Climate Outlook and Considerations for Washington Tree Fruit Production

Sonia Hall WSU CSANR. Expected changes in climate, ongoing research areas, including future chilling hours, sunburn and irrigation water availability. North Central Washington Tree Fruit Days.

Codling Moth Management Tools

The research and how to use it on SIR, netting and other tools to add to high pressure codling moth blocks. Presented by Betsy Beers, WSU Entomology at North Central Washington Tree Fruit Days January…

Insights from the Codling Moth Survey ‐ Where are We?

Summary of Codling Moth Task Force survey by Betsy Beers, WSU Entomology at North Central Washington Tree Fruit Days January 2022.
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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.

Honeycrisp Meetup: Post Harvest. Part 4. Brainstorming.

Honeycrisp Meetup: Post harvest session. Brainstorming session. Bernardita Sallato talks about a new problem WA growers are facing with Honeycrisp she has been investigating. Experts from Cornell University, Michigan State University, Washington State University and…

Honeycrisp Meetup: Post Harvest Part 3. Q&A

Honeycrisp Meetup: Post harvest session. Questions and Answers regarding Honeycrisp post harvest management. Include faculty experts from Cornell University, Michigan State University, Washington State University and experienced growers: Bruce Allen, Washington and Chris Kropf, Michigan….

Honeycrisp Meetup: Post Harvest. Part 2.

Honeycrisp Meetup: Post harvest session. Dr. Christopher Watkins, Cornell University. Shares a short overview about the effect of plant growth regulators (PGRs) on Post Harvest Management. Webinar series hosted by Mario Miranda Sazo, Cornell Cooperative…

Honeycrisp Meetup: Post Harvest. Part 1.

Honeycrisp Meetup: Post harvest Session. Dr. Randy Beaudry, Michigan State University professor, gives an overview of Honeycrisp problems during storage. Meeting hosted by Mario Miranda Sazo, Cornell Cooperative Extension, Anna Wallis, Michigan State University and…

Honeycrisp Meetup: Nutrient Management. Grower video clip

This video is a clip of the 2021 IFTA Virtual Honeycrisp Tour, in which nutrient management was discussed. It should be watched as a ‘teaser’ for the 2021 Honeycrisp Virtual Meetup, Webinar #3 on nutrient…

Honeycrisp Meetup: Nutrient management part 4

Honeycrisp Meetup: Nutrient management Part 4. Panel discussion with the participation of grower panel: Rod Farrow (NY), Chris Kropf (MI) and Bruce Allen (WA), researchers: Lailiang Cheng, Cornell University, Essie Fallahi, University of Idaho, Lee…

Honeycrisp Meetup: Nutrient management Part 3

Honeycrips Meetup: Nutrient management Part 3. Lee Kalcsits, Washington State University, talks about influence of rootstock, crop load, and calcium sprays on Honeycrisp apples

Honeycrisp Meetup: Nutrient Management Part 2

Honeycrips Meetup: Nutrient management. Professor Essie Fallahi, University of Idaho shares key findings on the influence of rootstock and crop load management on Honeycrips apples.

Honeycrisp Meetup: Nutrient Management Part 1

Honeycrisp Meetup: Lailiang Cheng, Cornell University, highlight the importance of nitrogen management on Honeycrisp and fruit sampling for bitter pit prediction.

Honeycrisp Meetup: Rootstock Part 1

Honeycrisp Meetup: Rootstocks Part 1. Hosted by Mario Miranda Sazo, Cornell Cooperative Extension, Anna Wallis, Michigan State University Extension and and Bernardita Sallato, Washington State University Extension. Part 1: Terence Robinson, Cornell University talks about…

Honeycrisp Meetup: Crop Load Part 4. Q and A

Honeycrisp Meetup: Crop Load Part 4. Questions and Answers, Hosted by Mario Miranda Sazo, Cornell Cooperative Extension, Anna Wallis, Michigan State University Extension and and Bernardita Sallato, Washington State University Extension.

Honeycrisp Meetup: Crop Load Part 3.

Honeycrisp Meetup: Crop Load Part 3. Video clip with WA grower Bruce Allen, MI grower Chris Kropf, and NY growers Jason Woodworth and Jose Iñiguez talking about crop load management strategies. Supported by IFTA and…

Honeycrisp Meetup: Crop Load Part 2.

Honeycrisp Meetup: Crop Load Part 2. Stefano Musacchi, Washington State University explains the relation between crop load and roostock with fruit quality parameters.

Honeycrisp Meetup: Crop Load Part 1

Honeycrisp Meetup: Crop Load Part 1. Introduction to the Honeycrisp Meetup Series developed in collaboration with Cornell Cooperative Extension, Michigan State University Extension and Washington State University Extension. Part 1. Terence Robinson, Cornell University talks…
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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.

X-disease and Little Cherry Virus Extent and Impact in the Pacific Northwest

X-disease and Little cherry virus cause small, light colored cherries. More than 238,856 trees equivalent to 974 acres of sweet cherries have been removed due to X-disease and Little Cherry Disease between 2015 and 2020…

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.

Q&A with Dr. Gary Grover on Sweet Cherry Powdery Mildew

Questions and answers between the growers and industry members and Dr. Gary Grove addressing the current state of pesticide resistance in Washington State.

2021 WSU Review of Cosmic Crisp® C.v. WA 38 Planting Trends and Rootstock

Part 1 of 5 from the WA 38/Cosmic Crisp® 2020/2021 season updates webinar. In this video, Kevin Brandt (PVM) talks about planting trends and rootstocks, including number of trees planted and projected numbers, rootstocks used,…

Cosmic Crisp® Marketing Program for the 2020/2021 Season

Part 2 of 5 from the WA 38/Cosmic Crisp® 2020/2021 season updates webinar. In this video, Kathryn Grandy (PVM) covers the current information on the marketing program and strategies for 2021. There is a Q&A…

Overview of 2020 WA 38 Crop Season

Part 3 of 5 from the WA 38/Cosmic Crisp® 2020/2021 season updates webinar. In this video, Jill Burbery (PVM) covers updates on the crop including fresh market production numbers and export program information. There is…

Cosmic Crisp® WSU Royalty Update

Part 4 of 5 from the WA 38/Cosmic Crisp® 2020/2021 season updates webinar. In this video, Scot Hulbert (WSU) talks about the royalties collected over the past four years and future projections. There is a…

Cosmic Crisp®: International Updates

Part 5 of 5 from the WA 38/Cosmic Crisp® 2020/2021 season updates webinar. In this video, Lynnell Brandt (PVM) gives an update on current international agreements for growing and marketing of WA 38/ Cosmic Crisp®….

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.
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