2025 WSU / WSGS Viticulture Field Day

July 24 @ 8:30 am - 12:00 pm

Join the Washington State Grape Society and WSU Viticulture Extension for a morning of vineyard and IPM education! This field day will focus on management of grafted vines and rootstocks for soil-borne pest control, as well as grape mealybug mating disruption, monitoring for grape mealybug, and new sensor technologies that can improve spray applications!

Date: Thursday, July 24, 2025

Where: Starting at Inland Desert Nursery – Main Office

Cost: $20

Registration: Registration coming soon.

Registration will be capped at 80 people.

*2 WSDA Pesticide Applicator Recertification credits

Event Agenda

8:30 AM – Registration

8:45 AM – Introduction to Field Day

9:00 AM – Demonstration #1 – Managing Grapevines on Rootstocks – Presented by Inland Desert Nursery

9:35 AM – Carpool to second location

10:00 AM – 12:00 PM – Demonstrations #2-4. This will be presented in a rotation format, to allow for smaller-group interaction. Participants will be divided into groups, and each group will spend 30 minutes at each station.

Stations include:

Grape Mealybug Mating Disruption – Presented by Hayden Lanz and Sarah Chapman, Suterra
- Information on general mating disruption techniques, as well as lure density and placement will be discussed
Grape Mealybug Monitoring – Presented by Michelle Moyer, WSU
- Information on the differences between mating disruption and monitoring will be discussed, as well as a demonstration on how to ID male mealybugs in pheromone traps.
Sensor Technologies for Spray Applications – Presented by Gwen Hoheisel, WSU
- Different sprayer technology sensors will be presented, and with a discussion on how to integrate them for improved spray applications.

Host Organizations

This event is co-hosted by the Washington State Grape Society, and Washington State University Viticulture Extension.

Thank you to Wilbur-Ellis for sponsoring snacks for this event!

Contact the host of WSU and Washington State Grape Society 2025 Viticulture Field Day

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