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Storage Rots Management: from Orchard to Packing

March 4, 2020 @ 8:00 am - 5:00 pm

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Who Should Attend

Pome fruit growers, packers, field and warehouse workers, extension specialists, industry representatives, consultants and others interested in learning about best management practices in orchards and packinghouses to reduce the impact of postharvest rots and increase pack-out.

What to Expect

Six hours of training and interactive activities:

  • Introduction to pre and postharvest rot pathogens and their occurrence in the PNW;
  • Timeline of infections from bloom to packing;
  • Best management practices in conventional systems
  • Fungicide resistance occurrence and mitigation.
  • Cultural controls.


Each participant will leave with digital and hard copies of new factsheets for each of the major post harvest rots: grey mold, blue mold, speck rot, bulls eye rot and mucor.

Benefits of Attending

  • Build a foundation for best management of major postharvest rots.
  • Learn the latest research-based information for effective management.
  • Understand how and when major pathogens infect flowers and fruit.
  • Better understand the risks of fungicide resistance.
  • Develop strategies to minimize resistance development.


  • Achour Amiri, Post Harvest Pathologist, Assistant Professor, WSU Plant Pathology
  • Tianna DuPont, Tree Fruit Extension Specialist


$25 to register. Register at



09:00 am           Welcome: Objectives and overview of the program

MODULE 1: Know your foes

09:10 am           Overview of the biology of major pathogens

09:30 am           Sources and timeline for infections: bloom to postharvest

10:15 am           BREAK

10: 30 am          Activity 1: Assess the Risks and Anticipate the Problem

MODULE 2: Best Management Practices (11:00 am – 01: 30 pm)

11: 00 am          Current disease management tactics

12: 00 pm          LUNCH BREAK

01:00 pm           Activity 2: Know the Problem and Develop the Right Management

MODULE 3: Fungicide Resistance: Risks and Mitigation (01:30 – 02:40 pm)

01:30 pm           Fungicide resistance development and management

02:10 pm           Activity 3: Select an Optimal Fungicide Spray to Minimize Resistance

02: 40 pm          Final thoughts, Survey, Pesticide credits, Adjourn


March 4, 2020
8:00 am - 5:00 pm
Event Tags:


Confluence Technology Center
285 Technology Center Way
Wenatchee, WA 98801
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Washington State University