Category: Resistance

by Travis Cranmer May 1, 2023 0

Herbicides Resistance Weed Management

Resistant Weed Testing Is Available for the 2023 Field Season

By: Kristen Obeid, OMAFRA Weed Management Specialist Resistant weeds are becoming the new norm in weed management for many Ontario… Continue Reading Resistant Weed Testing Is Available for the 2023 Field Season

by Travis Cranmer June 28, 2021 1

Featured Fungicides Onions ONveg in The Grower Resistance

Using fungicides for Stemphylium leaf blight in onions

Stemphylium leaf blight (caused by a fungus, Stemphylium vesicarium) of onion was first identified in Ontario in 2008 and has… Continue Reading Using fungicides for Stemphylium leaf blight in onions

by Travis Cranmer December 18, 2020 0

Featured Fungicides Herbicides Insecticides Pest Management Resistance Weed Management

Pesticide Resistance Management Seminars

Lunch and Learn Series for fruit, vegetable and specialty crops Presented by OMAFRA horticulture specialists: Hannah Fraser – EntomologistKatie Goldenhar… Continue Reading Pesticide Resistance Management Seminars

by Cassandra Russell December 10, 2020 0

Crop Protection Featured Fungicides Insecticides Podcast Resistance

New Episode of ‘What’s Growing ON?’

Season 2, Episode 3: Managing Pesticide Resistance In this episode, Kristy sits down with OMAFRA’s Katie Goldenhar (Plant Pathologist) and… Continue Reading New Episode of ‘What’s Growing ON?’

by Cassandra Russell August 17, 2020 0

Featured Herbicides Insecticides Insects Pest Management Podcast Potato Resistance Tomatoes Vegetables Weed Management

What’s Growing ON? – Episode 8

Episode 8: Resistant Weeds and Colorado Potato Beetles In this episode, we are joined by Kristen Obeid, Weed Specialist for… Continue Reading What’s Growing ON? – Episode 8

by Dennis Van Dyk June 29, 2020 0

Diagnostics Resistance Resources Vegetables Weed Management

Suspect you have herbicide resistant weeds? Participate in a genetic testing sampling project.

Kristen Obeid, OMAFRA Weed Management Specialist – Horticulture Do you suspect that you have herbicide resistant weeds on your farm? … Continue Reading Suspect you have herbicide resistant weeds? Participate in a genetic testing sampling project.

by Dennis Van Dyk April 14, 2020 0

Resistance Vegetables Weed Management

Waterhemp: A Spreading Invasive Weed in Ontario and Canada

Kristen Obeid1, Peter Sikkema2, Christian Willemse2, Nicole Langdon2, David Westerveld 2, Marie-Josée Simard3, Martin Laforest3, David Miville4 and Tammy Jones5… Continue Reading Waterhemp: A Spreading Invasive Weed in Ontario and Canada

by Dennis Van Dyk May 24, 2019 0

Diagnostics Herbicides Resistance Vegetables

Resistant Weed Testing Is Available for Horticulture Growers

Kristen Obeid – OMAFRA Weed Management Specialist Herbicide resistant weeds are not unique anymore, they are the norm. When I… Continue Reading Resistant Weed Testing Is Available for Horticulture Growers

by Travis Cranmer April 24, 2018 0

Alliums Asparagus Brassica Vegetables Carrot Celery Cucurbits Diagnostics Disease Disorders Events Garlic Insects Leafy Vegetables Nematodes Onions Peppers Pest Management Resistance Resources Sweet Corn Vegetables Weed Management

OMAFRA IPM SCOUT TRAINING WORKSHOPS FOR 2018 – Updated

These workshops are available for those who will be scouting horticultural crops this year. To register, please contact OMAFRA’s Agricultural… Continue Reading OMAFRA IPM SCOUT TRAINING WORKSHOPS FOR 2018 – Updated

Bacterial spot lesions on processing tomato fruit

by Elaine Roddy April 19, 2018 0

Crop Protection Disease Fungicides Late Blight Pest Management Resistance Tomatoes

Fungicide Efficacy Summary Tables for Management of Diseases in Field Tomatoes

By: Cheryl Trueman, Ridgetown Campus – University of Guelph About these tables: These tables were created using results from replicated… Continue Reading Fungicide Efficacy Summary Tables for Management of Diseases in Field Tomatoes