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John from Gulf Coast writes

Is Mefenoxam 2 AQ a good option to rotate with Group 3 and 11 fungicides to treat for Grey Leaf Spot?

My St. Augustine has developed a resistance to group 1, 3 and 11 fungicides


Quali-Pro Mefenoxam 2 AQ Fungicide is a Group 4 fungicide that is labeled to target pythium, phytopthora, yellow tuft and downy mildew. This fungicide is not labeled for grey leaf spot.  Daconil Ultrex Turf Care Fungicide which uses the active ingredient Chlorathonil (Group M5) is labeled for grey leaf spot on Golf Courses (Tees, Fairways, Greens), Commercial Turf-grass; Ornamental Turf-grass including Sod Farms; Fruit & Nut Tree. This is not for residential lawns. 

Answer last updated on: 11/29/2021

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Mefenoxam 2 AQ Fungicide

Mefenoxam 2 AQ Fungicide

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