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Insecticide Programs to Consider for Onion Thrips Control in Onion in 2023

Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program

June 12, 2023

Insecticide Programs to Consider for Onion Thrips Control in Onion in 2023

Guidelines for using insecticides to manage onion thrips in onion fields in the Great Lakes region continue to evolve as we gain more experience using them under various situations. The following guidelines provide multiple scenarios for managing onion thrips over the season in New York. The major factors used to create these guidelines are efficacy of products under varying levels of thrips pressure and the desire to follow insecticide resistance management principles.

Disclaimer: There are other insecticides labeled for use on onion for onion thrips management that also may be effective, but that are not included in these guidelines. These guidelines have been developed based on our personal experience assessing the efficacy of many different products in commercial onion fields or by assessing their performance after application by New York onion growers in their fields.



Insecticide Programs to Consider for Onion Thrips Control in Onion, 2023 (pdf; 417KB)
  • also includes 'Scouting Tips for Onion Thrips in Onions'


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Upcoming Events

2024 Muck Onion Growers Twilight Meeting in Oswego

Event Offers DEC Credits

June 20, 2024
Oswego, NY

Open to all Onion Enthusiasts, the Muck Onion Growers Twilight Meeting will feature new fungicide recommendations for 2024, and onion insect pest management updates featuring seed treatment combinations for onion maggot control. View our onion herbicide trial with pre- and post-emergent control of marsh yellowcress, Lamb's quarters and ragweed. This educational event is immediately followed by a catered dinner; both are FREE thanks to generous sponsors!

2.0 DEC recertification credits available in categories 1A, 10 and 23, and 0.5 credits in category 5. CCA credits will also be available.

View 2024 Muck Onion Growers Twilight Meeting in Oswego Details

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