Last Updated: 8/5/2026

LegumeStar™ Fungicide ST

Active Ingredient: Metalaxyl-M + Fludioxonil

2 x 2.5 gal, 30 gal., 130 gal, 265 gal

LegumeStar™ Fungicide Seed Treatment is a dual-mode-of-action product that provides protection from the cool, wet conditions that are common during the first few weeks after planting. LegumeStar protects against damping-off and seed rots due to Pythium, Phytophthora, Fusarium, and Rhizoctonia spp., and early season Phytophthora root rot. It also suppresses seed-borne Sclerotinia and Phomopsis spp., especially in soybeans.

Compare to: ApronMaxx®, RTA®

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- Metalaxyl-M (mefenoxam) delivers performance against Pythium, damping-off and early season Phytophthora when the temperatures are still cool, and the weather is usually wet.
- Systemic seed-to-leaf activity of metalaxyl-M allows healthy seed germination and consistent stands that get plants off to a strong and hearty start.
- Fludioxonil is a broad-spectrum fungicide that offers enhanced early-season disease protection in legume crops with activity against key plant pathogens, including Fusarium and Rhizoctonia.