Corn Diseases

Jun 22, 2020

Early Season Benefits
Early corn fungicide applications often occur between V4 and V7 growth stages. Typically, these are thrown in the tank with a post emerge herbicide application, lessening application costs and alleviating an extra pass across the field. We have seen the best results when spraying at V6 or V7. Protecting the corn from stress and potential disease at this stage can provide yield and plant performance benefits. Increased stalk strength, and delayed disease progression can result.

Don't Forget the Adjuvant
Adjuvants work effectively with fungicides and insecticides and may be used with herbicides and other crop protection products. Combined technologies in one crop-based adjuvant can enhance your spray coverage. When in the mix, adjuvants helps ensure that droplets are the right size, which reduces the amount of fine particles in the spray pattern and helps drive droplets deeper into the canopy for better deposition.

Data from 2019 Answer Plot trials showed a fungicide yield response averaging 16.1 bushels per acre across tested hybrids when MasterLock® adjuvant was included in the tank mix. 

Adjuvants help optimize droplet adhesion, which reduces bounce and increases droplet spreading for improved contact and coverage. It also helps to get the droplets down in the canopy. The combination of increased adhesion, reduction in bounce and increased canopy penetration leads to more fungicide and insecticide where it is needed the most.

Talk with your MWF agronomist today to discuss your acres or if you need help scouting fields. 

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  Click here to learn more about various corn diseases.