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Agronomy Talk

CENTRAL IOWA - WADE KENT, CCA

Fungicide Timing for Maximum Yield

Published on Wednesday, July 13, 2016

July is a great month for crop growth. Corn and soybeans are beginning to move into those vital reproductive stages and seed development. Both are rapidly absorbing light for photosynthesis to maintain high levels of energy for growth. Maintaining a healthy leaf surface is critical for plant health and seed production. Many farmers have been asking when is the best time to apply a fungicide to maximize yield and plant health. A three-year, multi-location study in corn from Beck’s Practical Farm Research (PFR)® found that a single application at VT provided a 15.2 Bu./A. increase compared to the control treatment with no fungicide. The single VT application also provided greater yield response and ROI when compared to a single fungicide application at V5, and the V5+VT treatment.

Similarly, in soybeans, five different fungicides were tested in 2015 at Beck’s Indiana PFR site, and all showed an average yield increase of 2.3 Bu./A. compared to the control. A two-year summary of data from the same Indiana location found a $34/A. advantage when fungicide was applied at R3. Timing a fungicide application is important, but it’s also important to be diligent and properly scout your fields throughout the remainder of the crop season to actively manage any pests that may be present.

 

Practical Farm Research (PFR)® is a registered trademark of Beck's Superior Hybrids, Inc.

Author: Wade Kent

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