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Expert Presentations

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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.

PACMAN Briefings: Mauricio Guerra Funes – How’s your adoption going?

PACMAN Briefings: Innov8 – Steve Mantle

PACMAN Briefings: AgerPix – Karina Lau

PACMAN Briefings: Vivid Machines – Jenny Lemieux

PACMAN Briefings: Outfield–Oli Hilbourne and Andrew Schmack

PACMAN Briefings: Orchard Robotics – Charlie Wu

PACMAN Briefings: LaGasse/Aurea/Munckhof – Ross Kranz and Tim Cromwell

PACMAN Briefings: Fruit Scout – Chris Hall and Matt King

PACMAN Briefings: Pometa – Dave Brown and Patrick Plonski

PACMAN Briefings: Todd Einhorn – Fruit Growth Model (new method)

PACMAN Briefings: Brent Arnoldussen – Pollen Tube Growth Model

PACMAN Briefings: Jon Clements-Predicting fruit set using the fruitlet growth rate model apps (Malusim & Fruit Growth)

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

Pre-emergent Herbicides-Timing Trials and Product

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

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.

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…

Symptoms of X-disease Phytoplasma in Stone Fruit

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

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.

Apple Thinning

How PGRs and PGR-like compounds can manipulate two of the most common practices: fruit thinning and flower formation. Current and new products.

Using Honeydew Washing to Improve Pear IPM

Chris Strohm, WSU Extension shares recent case studies and research trials describing the use and efficacy of honeydew washing systems to improve IPM in Pear.

Pear IPM Webinar

Louis Nottingham, WSU Entomology discusses key components to successful pear IPM programs and his latest research results.

New technology for reducing cold damage

This is the third of a four-part video series from the sweet cherry cold hardiness webinar held on Oct 29, 2020. In this video, New technology for reducing cold damage, Brent Arnoldussen, WSU PhD candidate…

X-disease and Little Cherry Disease Introduction and Importance

A brief introduction to X-disease and Little Cherry Disease pathogens, symptoms, vectors, distribution and economic impacts by Tianna DuPont, WSU Extension at Cherry Institute 2021. Sponsored by NW Cherry Growers and WSU Extension. Videography and…

X-disease Vector Management Part 1

Tobin Northfield, WSU Entomology describes ID, trapping, and recent research for leafhopper vectors of X-disease phytoplasma. Cherry Institute 2021. Sponsored by NW Cherry Growers and WSU Extension. Videography and production Nick Dirk.

Symptoms and Biological Effects of X-disease and Little Cherry Disease on Sweet Cherry Varieties

Scott Harper, WSU Plant Pathology describes symptom progression of X-disease and Little Cherry Disease on different sweet cherry varieties.

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…

Marketing Cherries Internationally During a Pandemic

In the foreign markets, the 2020 Northwest cherry crop found itself faced with numerous challenges such as closed borders, city lockdowns, lack of air transportation, a strong US dollar, limitation on retail promotion activities, import…

Cold damage in tree fruit: An Overview

This is the first of a four-part series from the sweet cherry cold hardiness webinar held on Oct 29, 2020. In this video, Overview of cold damage in tree fruit, Dr. Matthew Whiting, WSU professor, presents…

2020 Northwest Cherry Season by the Numbers

B.J. Thurlby, Northwest Cherry Growers describes the 2020 Cherry Marketing Season at NW Cherry Institute 2021.

The Pandemic Powerhouse

A guided walk through of the North American consumer and retail promotion programs for the 2020 cherry season, including new research looking at the rise of online shopping and the possibilities of digital marketing. This…

Orchard Systems for Cherry Efficiencies and Profits

Presentation by Greg Lang, Michigan State University, Cherry Institute 2021. The introduction of vigor-controlling rootstocks for sweet cherries in the late 1990s led to a decade of physiological research to understand how to successfully grow…

Blue Orchard Bees for Improving Cherry Pollination

Drs. Theresa Pitts-Singer and Lindsie McCabe will talk about pollination using the blue orchard bee (Osmia lignaria) in Washington cherry orchards. Dr Pitts-Singer will introduce the blue orchard bee’s biology and foraging pattern that makes…

Organic Powdery Mildew Management

Dr Achour Amiri, WSU Plant Pathology describes recent research and recommendations for apple powdery mildew management.

WSU Virtual Cherry Field day: Cherry Harvest Efficiency Trials

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

Enfermedad de la cereza pequeña en cerezos

Bernardita Sallato comparte información respecto a la enfermedad de la cereza pequeña, síntomas para su identificación, medidas de prevención y control de vectores.

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.

Manejo del vigor en huertas y su relación con el rendimiento

Esta presentación, dada en español, provee información general acerca del vigor, factores que influyen en el manejo de la huerta y la influencia de los portainjertos en el vigor y producción de la huerta. This…

Identifying Strategies for Pear IPM Success

Recorded presentation from WSU-OSU Pear IPM Webinar on December 2, 2020, hosted by Chris Strohm and Tianna DuPont, WSU Extension. In this recording, Chris Strohm discusses various IPM strategies for pear. This project was funded…

Particle Films to Control Pear Psylla

Recorded presentation from WSU-OSU Pear IPM Webinar on December 2, 2020, hosted by Chris Strohm and Tianna DuPont, WSU Extension. In this recording, Louis Nottingham, WSU Entomology, presents his research on using particle films to…

Codling Moth & BMSB Management without Disrupting Biocontrol

Recorded presentation from WSU-OSU Pear IPM Webinar on December 2, 2020, hosted by Chris Strohm and Tianna DuPont, WSU Extension. Some of the work Richard Hilton, OSU, shares here is funded by a USDA-SCRI grant.

Assessing Cold Damage – a Demonstration

This is the last of a four-part series from the sweet cherry cold hardiness webinar held on Oct 29, 2020. In this video, Assessing cold damage, Dr. Matthew Whiting, WSU professor, demonstrates how to assess…

Sweet cherry cold tolerance, dormancy & floral development

This is the second of a four-part video series from the sweet cherry cold hardiness webinar held on Oct 29, 2020. In this video, Jonathan Magby, WSU PhD candidate in the Horticulture Department, gives a…

Webinar recording: Co-Robotic harvest-aid platforms can aid harvesting speed

In this installment of the WSU-OSU Tree Fruit Extension seminar series, Dr. Vougioukas discusses how co-robotic harvest-aid platforms can aid harvesting speed by eliminating some of the issues faced by using fixed-zone platforms. Audience Q&A…

WA 38 Cosmic Crisp® Grower/Manager Q&A Meeting 9/23/2020

This WA 38 Q&A session, hosted by Bernardita Sallato, focused on all issues related to production, preharvest, conditions of the crop, crop load volume and yield, size and color, fruit finish, weather and smoke related…

WA 38 Cosmic Crisp® Packer/Shipper Q&A Meeting 9/30/2020

This WA 38 Q&A session, hosted by Karen Lewis, focused on storage and shipping, and anything that happens at harvest going forward. Topics included marketing and quality standards, clarifications to color definitions, starch evaluation, shape…

Síntomas de Fitoplasma X en Frutas de Hueso

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

WA 38 / Cosmic Crisp® Pre-Harvest Virtual Field Day

The WA 38 / Cosmic Crisp® Pre-Harvest Virtual Field Day covered discussion on defects and disorders, PVM guidelines and recommendation, harvest and storage criteria, using the starch chart, crop load and dry matter considerations, and…

The Role of Dendrometers for Irrigation Management in Apple

This video is a recording of the webinar “The Role of Dendrometers for Irrigation Management in Apple” presenting information on the types and uses of dendrometer sensors and the data they collect. Includes discussion on…

Pear Rootstock & Systems Virtual Field Tour Webinar

“Pear Rootstocks & Systems Virtual Field Tour” webinar recording featuring the pre-recorded demonstrations, live presentations of research results, and live Q&A sessions with presenters and webinar attendees.

Quince Rootstock on Bartlett Pear Trial Virtual Tour

WSU’s Dr. Stefano Musacchi gives a virtual tour of his quince-Bartlett rootstock trial and discusses the research results and which combinations show the most promise for commercial orchards.
Washington State University