Northeast Research and Demonstration Farm

Effectiveness of Foliar Fungicides by Timing on Gray Leaf Spot on Hybrid Corn

Authors: Alison E. Robertson (Iowa State University) , Ken T. Pecinovsky (Iowa State University)

Abstract

Foliar fungicides remain an input on hybrid corn that many farmers consider. New fungicides for use on corn are registered annually. The goal of this project is to provide data to help farmers determine the need for foliar fungicides in their production. The objectives of this project were to 1) assess the effect of timing of application of fungicides on disease, 2) evaluate the yield response of hybrid corn to foliar fungicide application, 3) discern differences, if any, between fungicide products, and 4) detect and observe fungicide and application timing performance for tar spot disease control, if detected.

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How to Cite: Robertson, A. E. & Pecinovsky, K. T. (2020) “Effectiveness of Foliar Fungicides by Timing on Gray Leaf Spot on Hybrid Corn”, Iowa State University Research and Demonstration Farms Progress Reports. 2019(1).