Phobos® FC
Elevated Disease Protection
Phobos® FC is a high-performance fungicide that, when used in foliar applications, delivers uniform leaf coverage through even active ingredient distribution, helping growers achieve consistent disease control and protect yield potential. It dries stronger, resisting rain wash-off to maintain coverage through tough, unpredictable weather and reduce the need for re-sprays.
Active Ingredient Content
Prothioconazole - 3 lb /gal
Group - 3 Fungicide
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Delivers even leaf coverage to provide reliable, broad-spectrum disease control in high-pressure environments
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Maximizes protected leaf area to improve performance in high-pressure conditions
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Dries stronger on the leaf surface to resist rain wash-off and hold up in unpredictable weather
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Protects yield potential through critical crop growth stages
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Mixes easily with liquid fertilizers, micronutrients, and other crop inputs for efficient, single-pass applications and less downtime
*See label for specific uses, crop registrations, and groups. Not all products are registered in all states.
Watch Phobos® FC in Action
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play_circleBetter Coverage, Better Performance: Phobos® FC vs. Proline®
Not all fungicides perform the same in the field. Phobos® FC is built differently to deliver uniform leaf coverage, stronger drying, and resistance to rain wash-off. In these videos, you can see the difference. Proline® shows a coffee ring effect where active ingredient particles migrate to the edges as droplets dry, leading to uneven distribution. Phobos® FC maintains a more consistent spread of active ingredient across the leaf surface.
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play_circleSuperior Sugarbeet Fungicide
Sugarbeet growers have seen the success that Phobos® FC fungicide has had to stop Cercospora leaf spot and create an eaiser and more efficent foliar spray operation. -
play_circleSugarbeet grower uses Vive fungicides
Sugarbeet grower Lee Gudajtes uses AZteroid® FC 3.3, AZterknot®, and Phobos® FC fungicides. He has seen a significant improvement in disease protection and sugar content. -
play_circleFoliar Excellence
Discover the nanotechnology behind Phobos FC's powerful application advantages.
- Product Portfolio Brochure Download PDF
- Phobos® FC Sell Sheet Download PDF
- Phobos® FC Corn Sell Sheet Download PDF
- Phobos® FC Peanut Sell Sheet Download PDF
- Phobos® FC Sugarbeet Sell Sheet Download PDF
- Corn Solution Guide Download PDF
- Peanut Solution Guide Download PDF
- Soybean Solution Guide Download PDF
- Sugarbeet Solution Guide Download PDF
- AZterknot / Phobos FC Corn & Soybean Sell Sheet Download PDF
- Dairy Sell Sheet Download PDF
Additional Articles to Learn More
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Cercospora Leaf Spot in Sugarbeets: What Every Grower Needs to Know
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CBR and Leaf Spot in Peanuts: Two Diseases, Two Battles
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Fight Back Against White Mold in Beans and Chickpeas
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Culprits Behind Blueberry Packout Losses: Key Insects and Diseases
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Building Blocks for a Stronger Sugarbeet Program
April 10, 2026
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When Corn Stalks Fail: Understanding and Managing Stalk Rot in Corn
March 27, 2026
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Upgrade Your Peanut and Cotton Programs
March 13, 2026
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Vive Announces Canadian Registration of Phobos™ FC 360 Fungicide
TORONTO, Ontario (March 5, 2026) – Vive Crop Protection is ecstatic to announce the Canadian...
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Season-Long Pest & Disease Management Solutions for Corn and Soybeans
February 23, 2026
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Armor Against Mycotoxins in Corn Silage
January 30, 2026
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Phobos® FC Case Study: Optimizing Fungicide Performance & Application
November 7, 2025
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Laying the Groundwork: The Power of In-Furrow Disease and Pest Protection in Corn
April 22, 2025 - Corn growers know better than anyone: success starts underground. From the moment a...
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