Resistance Management Insecticide Compatibility chart

Editor’s note: This article is from the archives of the MSU Crop Advisory Team Alerts. Check the label of any pesticide referenced to ensure your use is included.

To use the Resistance Management Insecticide Compatibility chart, find the cell that intersects the row and column from two compounds of interest.

The shaded code in the intersecting cell represents the compatibility of the two compounds for generational rotation.* (For example, if you plan to use Imidan for first generation codling moth, to check the compatibility of using Warrior for second generation you will follow the column of cells down from Imidan until you reach the cell in the row directly across from Warrior. This intersecting cell is “Shaded square” thus is NOT a good rotation partner, because of a history of known cross-resistance between these two classes of insecticides.)

Key

The following codes are relevant for lepidoperan pests of fruit crops, including codling moth, Oriental fruit moth, and obliquebanded leafroller:
Key

Resistance management chart
* - Recommendations are based on current published resistance studies from Michigan pest populations.
** Insecticides within a given chemical class have the same or similar mode-of-action (MOA).

Key to names of insecticide classes and associated MOA: