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northern corn leaf blight

Corn Disease Updates

June 27, 2025lyndsie

Alyssa K. Betts, Extension Field Crops Pathologist; akoehler@udel.edu The earliest planted corn fields are reaching tassel this week. As tasseling begins, it is a good time to scout fields to decide if a fungicide will be applied. When considering the… Continue Reading →

Agronomic Crops 33:16, Curvularia leaf spot, diplodia leaf streak, field corn diseases, grey leaf spot, northern corn leaf blight, tar spot

Corn Disease Updates

July 7, 2023raharris

Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu I have been seeing the first tassels in corn over the past few days. As tasseling begins, it is a good time to scout fields to decide if a fungicide will be applied.… Continue Reading →

Agronomic Crops 31:15, diplodia leaf streak, grey leaf spot, northern corn leaf blight

Foliar Disease Scouting in Corn

July 16, 2021kgyoung

Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu   The Usual Suspects Grey Leaf Spot Consistently our most common disease of corn, GLS has been becoming more noticeable over the past week with the end of week/weekend rain and humid weather.… Continue Reading →

Vegetable Crops 29:17, Curvularia leaf spot, diplodia leaf streak, field corn, field corn diseases, grey leaf spot, northern corn leaf blight, tar spot

Decision Making for Fungicide Applications in Field Corn

July 22, 2016Emmalea Garver Ernest

Nathan Kleczewski, Extension Specialist – Plant Pathology; nkleczew@udel.edu Corn in many parts of the state is at approaching tasseling through silk. Now is a good time to scout fields to see if there are any disease issues that may need… Continue Reading →

Agronomic Crops 24:18, field corn, field corn diseases, grey leaf spot, northern corn leaf blight

Corn Disease Updates

July 1, 2016Emmalea Garver Ernest

Nathan Kleczewski, Extension Specialist – Plant Pathology; nkleczew@udel.edu Corn is starting to take off, and this means that the next set of diseases to keep an eye out for will be the foliar diseases. The most common diseases impacting corn… Continue Reading →

Agronomic Crops field corn, field corn diseases, grey leaf spot, northern corn leaf blight

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