Welcome to the Apple IPM Training Series!
This collection is based on the annual Ontario Apple IPM workshop and is organized into focused modules to support in-season decision-making, scouting and pest management.
Follow the full workshop for a comprehensive overview, or jump to individual modules for specific topics.
Full Workshop Recording
Apple IPM Virtual Workshop – May 2026
The 2026 Apple IPM Workshop was held virtually in May 2026 and facilitated by Kristy Grigg-McGuffin, OMAFRA Horticulture IPM Specialist for apples. Over this 3 hour workshop, participants learned about the basics of apple IPM, common pests to look out for over the season as well as orchard scouting tips and tricks.
Module 1: Production
Ontario Apple Industry At A Glance
Apple Growth Stages
Parts of an Apple Tree
Types of Apple Orchards
Soil Diagnostics
Module 2: Monitoring
How To Scout
Guidelines for Using Traps
Scouting Calendars
DEGREE DAY TEMPLATE
How to Take a Photo for Crop Diagnostics
Module 3: Disease
Apple IPM Workshop: Part 1 Apple Scab & Powdery Mildew
Apple Scab
Relationship of Temperature & Leaf Wetness to Apple Scab Infection
Powdery Mildew
Apple IPM Workshop: Part 2 Fire Blight & Rusts
Fire Blight, Nectria & Phytophthora
RUST
Apple IPM Workshop: Part 3 Summer Diseases
Fruit Rot
Fly Speck & Sooty Blotch
Supplemental Information
Common Plant Disease Symptoms
Disease Susceptibility Ratings of Common Apple Cultivars
Insect & Disease Susceptibility Ratings of Common Apple Rootstocks
Module 4: Insects & Mites
Apple IPM Workshop: Part 4 Direct Insect Pests (Early Season)
Direct Insect Pests – Early Season
Apple IPM Workshop: Part 5 Direct Insect Pests (Summer)
Direct Insect Pests – Summer
Oriental Fruit Moth & Codling Moth
Apple IPM Workshop: Part 6 Indirect Insect Pests
Indirect Insect Pests – Foliar
Indirect Insect Pests – Trunk
Aphids
Mites
Beneficial Insects
Beneficial Insects & Mites
Beneficial Insect Activity
Supplemental Information
Brown Marmorated Stink Bug
Specialty Crops At Risk to Brown Marmorated Stink Bug Damage
What You Should Know About Spotted Lanternfly
Pest Alert: Spotted Lanternfly
Module 5: Nutritional Disorders & Weeds
Nutrient Deficiencies & Herbicide Injury
Checklist for Weed Scouting
Scouting for Weeds
The Importance of Scouting for Weeds After a Herbicide Application
Resources for Weed Management
Pigweed Species Identification Guide
Module 6: Pesticide Safety
Pesticide Safety Training for Scouts
Farm Visit Biosecurity
Pesticide Safety 101
Understanding Restricted Entry Intervals for Pesticides
Module 7: ADDITIONAL RESOURCES
Ontario Crop Protection Hub
Ontario Crop IPM
Ontario Crop Protection Hub – Apples (print COPY)
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