Corn Fungicide & Things to Consider for 2020

Jul 18, 2019


Corn Fungicide & Things to Consider for 2020

Agronomic Reality:


While late-season moisture is a valid concen when considering management decisions, WinField United agronomic axperts are highly supportive of a late-season fungicide application.  Here's why:
  • Warm temperatures in many regions may help speed maturity and provide an opportunity for the crop to catch up
  • In-season decisions are still paramount to help get and keep plants on track for harvest
  • The addition of a fungicide with MasterLock­® adjuvant can help optimize yeilds and boost ROI, which can also help pay for the application
  • Fungicies can help improve stalk integrity, standability, and harvestability

Check out the Delaro yield advantage over an untreated check.






MasterLock® adjuvant enhances deposition to deliver fungicies and insecticides lower in the canopy for improved coverage of the plant.

MasterLock® is also NPE free, therefore it will not contribute to arrested ear.





2019 NutriSolutions® tissue sample data from WinField United supports that over 85% of 2019 corn tissue samples are defisient in or responsive in boron.

Boron plays a key role in flowering, pollen development and viability, the pollination process, and helps optimize photosynthesis and sugar transport.  Peak accumulation of boron occurs just before pollination to support reproductive growth in tassels and ears. 


Economic Impact:


240 hybrids test in 2018 at the Answer Plot had a range from -3.5 to 39 Bu.  A medium RTP score averaged 15 bu from the application

15bu x $.00/bu = $45. 

Using a premium fungicide + MasterLock® + Max-IN™ Boron + application is around $30 which is a 1.5:1 ROI.

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