 Agronomy Corn & Soybean Fungicide · 2026 Season Three Modes. | ||
Why Three Modes of Action Changes the Math
Most corn fungicides rely on one or two modes of action. That works, until conditions shift against you. Disease populations adapt. Environmental stress opens new infection windows. A single mode leaves gaps.
Delaro® Complete was built on a different idea: three distinct biological pathways working simultaneously. If pressure shifts, protection holds. That consistency is what shows up in your yield.
What Each Mode Does for Your Crop
1 | Mode One Consistent Disease Control |
Three biological pathways hitting pathogens simultaneously. If resistance develops against one, two more remain active. It's why Delaro® Complete delivers consistent control across a wider range of disease conditions, not just the easy ones.
2 | Mode Two More Energy Into the Ear |
Delaro® Complete reliably boosts photosynthesis efficiency, keeping leaves active longer through the critical grain fill window. The plant stays productive, routes more energy to the kernel, and delivers higher yields, even in low-disease-pressure years.
3 | Mode Three A Crop That Can Take a Hit |
Strong stalks aren't just about standing at harvest. They're about staying productive when hail, wind, or dry spells apply pressure mid-season. Delaro® Complete strengthens corn stalks and improves nutrient flow throughout the plant, so stress events cost you less.
The Numbers Back It Up
1,251 side-by-side corn yield comparisons. One consistent result.
1,251 Side-by-Side Comparisons | #1 vs. Miravis® Neo & Veltyma® in University Trials |
Data represents 1,251 corn yield comparisons, single application 8-12 fl oz/acre at VT/R1-R3 vs. untreated check. Multiple U.S. locations, 2025. University trials: 5 locations, IL, IN, MO, MI. Disease pressure low to moderate.
9 Diseases. One Application.
Delaro® Complete controls the full spectrum of corn's most economically damaging diseases, including tar spot and gray leaf spot, which have proven increasingly difficult to manage with single-mode programs.
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"The VT/R1 window is narrow, and it's the most important fungicide timing in corn. If you haven't decided on your program yet, now is the time to make that call."
Dan Griffin, Division Agronomist
Delaro® Complete Works in Soybeans Too
The same three-mode-of-action chemistry that protects your corn is also registered for soybeans. In 2025 trials, Delaro® Complete delivered +10 bu/acre over untreated across 72 side-by-side comparisons, and outperformed Miravis® Top, Lucento®, and Revytek® in replicated strip trials. Apply at R1 through R4.
+10 bu/A | Over untreated in 72 side-by-side soybean yield comparisons, 2025. Top performer vs. leading competitive fungicides in replicated strip trials. |
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Program Benefit Delaro® Complete is Bayer Plus EligibleYour Delaro® Complete purchase through Heritage qualifies for Bayer Plus program benefits. Ask your Heritage agronomist for details on how to maximize your Bayer Plus earning this season. Ask About Bayer Plus |
Delaro® Complete Corn Sell Sheet Full performance data, application rates, and disease control details. View PDF → |
Delaro® Complete Soybean Sell Sheet Full performance data, application rates, and disease control details. View PDF → |
Ready to Put Three Modes to Work?
Your Heritage agronomist can help you time your application and fit Delaro® Complete into your fungicide program before the window closes.
Contact Your AgronomistAlways read and follow pesticide label directions. Performance may vary from location to location and from year to year, as local growing, soil, and environmental conditions may vary. Bayer, Bayer Cross, and Delaro® are registered trademarks of Bayer Group. Miravis is a registered trademark of Syngenta. Veltyma is a registered trademark of BASF. All other trademarks are the property of their respective owners. ©2026 Bayer Group. All rights reserved.