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Grain Protectant Options & Application Systems

Grain protectants play a critical role in preventing stored product insect infestations in corn, wheat, milo, rice, and finished animal feed. Selecting the right formulation depends on commodity type, storage duration, insect pressure, and application method. FSS offers dry, IGR, and residual grain protectant options to help elevators, farms, and feed mills reduce shrink, preserve quality, and protect commodity value during storage and transport.

Talk to a Grain Protection Specialist

Grain Protectant Application Video

Explore grain protectant options by formulation type—DE, IGR (methoprene), residual insecticides—and recommended application systems.

Grain Protectant Formulations & Equipment

Insecto® Diatomaceous Earth (DE) Grain Protectants

Insecto® Diatomaceous Earth provides mechanical insect control by abrading the insect cuticle and causing desiccation within the grain mass. DE formulations are well suited for long-term storage, resistance management programs, and operations seeking reduced chemical residue while maintaining residual protection.

Insect Growth Regulators (IGR) for Grain & Feed

Diacon® and Diacon®-D (methoprene) prevents immature insects from developing into reproductive adults, breaking the infestation cycle before populations establish. IGRs are widely used in corn, wheat, rice, and finished animal feed where continuous protection is required during storage and distribution.

Residual & Combination Grain Protectants

Gravista® and Gravista®-D provides residual contact control and adult knockdown when higher insect pressure is present. These formulations are commonly used in grain elevators and feed mills where faster suppression and extended protection are necessary.

Grain Protectant Application Systems

Proper application is essential for effective control. FSS supports dry applicators, tank-mix systems, and chemical injection systems designed for conveyors, augers, and load-out points. Systems can integrate with PLC controls for automatic activation during grain flow, ensuring consistent distribution and accurate application rates based on bushels per hour.

Resources

Pest Management Guides

Rodents damage grain and gnaw through equipment, wiring, and packaging, creating major losses. See our resources on bait stations, placement, and monitoring for complete rodent control.

Our Customers Love Us

"The FSS team has helped me in many tough situations and continued to be a great business partner in identifying solutions to our many pest pressures. They are my first email/phone call when I have a pest concern and need creative solutions. They are helping drive change in how we, and the industry, think about pest control."

Krista Ankrom

Bayer U.S. LLC

"It has given us more time to analyze, investigate, discuss, and plan corrective actions around pest activity. I think we are doing a better job of engaging with the plant and looking at how activity in different areas is connected from a product flow standpoint and theorizing and pursuing root causes."

Grant Welton

Quality and Food Safety Manager, PepsiCo / Quaker Oats

"Very happy and satisfied with how smooth the process worked. After purchasing Gravista from the online store, I took a load of grain and after testing, it came back completely bug-free."

Ivan

Farmer - Rockville, IN