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Industry Leading Cereal Seed TreatmenT

No Yield Left Behind

Emergent ST Guardian™ is the most complete protection for your seed investment. With Teraxxa, the only seed-applied insecticide that causes direct wireworm mortality in winter wheat.

protect against the hidden yield robber

  • Premier disease control paired with industry-leading wireworm protection makes Emergent ST Guardian the most comprehensive seed treatment blend on the market, exclusively available at The McGregor Company.
  • Emergent ST Guardian has an exclusive disease package with multiple modes of action targeting over 20 early season root-rot diseases such as rhizoctonia, fusarium, pythium, and dwarf bunt.
  • Fall plantings with Emergent ST Guardian provide unrivaled wireworm protection throughout the entire spring feeding season, leaving no winter wheat bushels
Adding Teraxxa to sites with no known wireworm presence increased net income by an average of $35 per acre, indicating wireworms were present.

frequently asked questions

What diseases will Emergent ST Guardian protect against?

Along with superior wireworm control, Emergent ST Guardian contains a unique disease protection package guarding against rhizoctonia, fusarium, pythium, and dwarf bundt. This is the most complete comprehensive Teraxxa blend product on the market and is exclusively available through The McGregor Company.

Why are wireworms more prevalent in spring wheat crops?

They’re not! Wireworm presence is more noticeable in spring wheat because the crop has fewer tillers making wireworm damage easier to see. Wireworms do not retreat with different crop rotations. They are simply, and quite literally, robbing your crop blind across all rotations.

When and where should I scout for wireworms?

Look in fields that have excessive weed pressure and water pathways in the soil. Wireworms are attracted to decaying organic matter and CO2 gas given off by respiring plants, so scouting after herbicide applications when soil temperatures are between 55-75°F is ideal.

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