Using the proven active ingredient metalaxyl, Vireo™ MEC gives you more great choices for systemic control of many common fungal diseases. Vireo MEC is available in two proprietary no-odor formulations: a convenient, concentrated 40% Water-Dispersible Granule and a liquid concentrate with excellent tank-mix compatibility. When used in a tank-mix or rotated with other pesticides, Vireo MEC enhances disease control and promotes economical resistance management.

Controls and prevents:
Pythium, phytophthora, yellow tuft, and a variety of other oomycete diseases on turfgrass, lawns, landscape plantings, nurseries and sod farms.


Vireo Label (Adobe Acrobat®/PDF)
Vireo MSDS (Adobe Acrobat

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