ONvegetables

Information for commercial vegetable production in Ontario

  • Weather Dashboard
  • Podcast
  • Vegetables
    • Alliums
      • Garlic
      • Onions
    • Asparagus
    • Brassica Vegetables
    • Carrot
    • Cucurbits
      • Cantaloupe
      • Cucumber
      • Pumpkins
      • Squash
    • Leafy Vegetables
      • Celery
    • Legume Vegetables
      • Lima Beans
      • Peas
      • Snap Beans
    • Peppers
    • Potato
    • Specialty Root Vegetables
    • Sweet Corn
    • Tomatoes
    • Transplants
  • Pest Management
    • Crop Protection
      • Fungicides
      • Herbicides
      • Insecticides
      • Resistance
      • Spray Drift
    • Diagnostics
    • Disease
      • Bacterial Wilt
      • Downy Mildew
      • Late Blight
      • Powdery Mildew
    • Disorders
    • Insects
    • Nematodes
    • Weed Management
  • Soil & Water
    • Cover Crops
    • Nutrients
      • Micronutrients
    • Water Management
      • Irrigation
  • Minor Use
  • Events
  • Other Topics
    • Business Management
      • Labour
      • Marketing
    • Food Safety
    • High Tunnel
    • ONveg in The Grower
    • Organic
    • Pollination
    • Post-Harvest
    • Programs/Funding
    • Research
    • Resources
    • Seasonal Topics
    • Weather

ONvegetables

  • Weather Dashboard
  • Podcast
  • Vegetables
    • Alliums
      • Garlic
      • Onions
    • Asparagus
    • Brassica Vegetables
    • Carrot
    • Cucurbits
      • Cantaloupe
      • Cucumber
      • Pumpkins
      • Squash
    • Leafy Vegetables
      • Celery
    • Legume Vegetables
      • Lima Beans
      • Peas
      • Snap Beans
    • Peppers
    • Potato
    • Specialty Root Vegetables
    • Sweet Corn
    • Tomatoes
    • Transplants
  • Pest Management
    • Crop Protection
      • Fungicides
      • Herbicides
      • Insecticides
      • Resistance
      • Spray Drift
    • Diagnostics
    • Disease
      • Bacterial Wilt
      • Downy Mildew
      • Late Blight
      • Powdery Mildew
    • Disorders
    • Insects
    • Nematodes
    • Weed Management
  • Soil & Water
    • Cover Crops
    • Nutrients
      • Micronutrients
    • Water Management
      • Irrigation
  • Minor Use
  • Events
  • Other Topics
    • Business Management
      • Labour
      • Marketing
    • Food Safety
    • High Tunnel
    • ONveg in The Grower
    • Organic
    • Pollination
    • Post-Harvest
    • Programs/Funding
    • Research
    • Resources
    • Seasonal Topics
    • Weather

OMAFRA Vegetable Crop Specialists

Elaine Roddy
Ridgetown
519-401-5890
elaine.roddy@ontario.ca
sweet corn, cucumbers, melons, pumpkins, squash, beans, peas, asparagus

Amanda Tracey
Ridgetown
519-350-7134
amanda.tracey@ontario.ca
tomatoes, peppers, eggplants, sugarbeets, red beets

Travis Cranmer
Guelph
519-835-3382
travis.cranmer@ontario.ca
Alliums (onions, garlic, leeks), Brassicas (cabbage, broccoli, cauliflower, brussel sprouts, Asian vegetables), Leafy vegetables

Dennis Van Dyk
Guelph
519-766-5337
dennis.vandyk@ontario.ca
potatoes, carrots, rutabaga, turnip, parsnips, radish, horseradish

Kris McNaughton
Guelph/Ridgetown
519-835-9149
kristen.mcnaughton@ontario.ca
Integrated Pest Management Systems Specialist

Disclaimer

PLEASE NOTE : We provide ONvegetables.com (Blog) free of charge and for information purposes only to individuals interested in commercial vegetable production.
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ONvegetable archives

Tag: alternaria

Broccoli plant with Alternaria lesions on the older leaves.
by Travis Cranmer March 5, 2025 Number of comments0
Brassica Vegetables Crop Protection Disease Featured Fungicides ONveg in The Grower Research Resistance

Alternaria is becoming a major concern for Brassica growers

Alternaria leaf spot and head rot has become increasingly difficult to manage in Brassica vegetable crops grown in Canada. Brassica… Continue Reading Alternaria is becoming a major concern for Brassica growers

Alternaria leaf spot on head brassica leaf
by Travis Cranmer July 8, 2024 2
Brassica Vegetables Disease Featured Fungicides Minor Use Pest Management Powdery Mildew

Switch 62.5 Foliar Fungicide label expanded via Minor Use Program for Suppression of Alternaria leaf blight and powdery mildew on Brassica Vegetables in Canada

J. Mosiondz, OMAFRA, Minor Use Coordinator, Guelph The Pest Management Regulatory Agency (PMRA) recently announced the approval of an URMULE… Continue Reading Switch 62.5 Foliar Fungicide label expanded via Minor Use Program for Suppression of Alternaria leaf blight and powdery mildew on Brassica Vegetables in Canada

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