Superior Ag Blog > June 2020 > Fungicides Continue to Prove Value

Fungicides Continue to Prove Value

June 26, 2020

Megan Hasenour | Marketing Communications Manager

Even in the absence of disease, fungicides continue to prove their value. Here are some things to keep top of mind when considering a fungicide application for your farm.


1. Fungicides can help optimize your seed investment.

A hybrid with a high response to fungicide (RTF) is especially deserving of comprehensive management, particularly where a fungicide is concerned. Even during a wet, humid season like 2019, with late planting and yields that weren’t as high as in previous years, we still saw a positive yield response when a fungicide was applied — even in such an average-yielding year. According to WinField United data, in 2019 the national average RTF between a corn plant that received a fungicide application at R1 and untreated control was an additional 16.1 bushels per acre for the fungicide application.

2. Fungicides contribute to plant health.

Fungicides do more than protect plants from disease: They’re the right type of management tactic to implement, especially on acres with high yield potential. Even with little or no disease present, we still tend to see a positive yield response with a fungicide. And we know what hybrids have a high RTF through the WinField® United Characterization Charts, so targeting applications to high-RTF hybrids makes sense.
Fungicides also promote ethylene suppression, which helps keep plant cells young and actively converts sunlight energy into sugars and, ultimately, plant matter and yield. They also help plants more efficiently assimilate nitrogen into plant cells to build protein. So although we call them fungicides, even if you don’t currently have fungal diseases in your corn or soybean fields, you may still see a benefit from a fungicide because they are effective at helping protect or increase yield.

3. Disease pressure you had in 2019 could carry over into 2020.

Anytime you have disease in a crop, you can assume that if the disease overwinters, there will be spores and fungal pathogens left on crop residue in the spring. If fall tillage wasn’t done, corn residue will likely be found on the soil surface. Since spring tillage is shallower than fall tillage, the root systems of whatever crops we plant in 2020 will be growing into what could be minimally incorporated, disease-infected residue, making 2020 corn crops more prone to becoming infected. Fall tillage would have buried residue 6 to 10 inches deep, where it could decompose more quickly.

4. An adjuvant in the tank protects your fungicide investment.

If you are going to invest in a fungicide application, you want to be sure that application reaches its target. Having a product like MasterLock® adjuvant by WinField United in the tank keeps more spray droplets in the ideal size range so they are big enough, heavy enough and have sufficient velocity to reach the target. Answer Plot® data has shown a 5.7-bushel-per-acre average yield increase in corn when MasterLock is added to the spray tank along with a fungicide, compared to using a fungicide alone.
If you are spraying a fungicide on corn, in addition to MasterLock you may also want to include MAX-IN® Boron or a foliar micronutrient in the tank. For soybeans, the fungicide can be mixed with an insecticide for aphids in early August or maybe with a late herbicide application.
Fungicides prove their value every year, and 2020 will be no exception. Talk with your local Superior Ag trusted Agronomist about making a fungicide application an essential part of your management plan this season.
Source: Mark Glady, Agronomist at WinField United
Posted: 6/26/2020 11:36:31 AM by Megan Hasenour | with 0 comments
Filed under: Fungicide, MasterLock, MaxIn

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