College of Agricultural, Consumer & Environmental Sciences Illinois Extension

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white bleached out leaves on sweet corn seedling

Sweet corn sensitivity to tolpyralate

February 14, 2024

The information in this blog post was submitted by Marty Williams, USDA-ARS (217-244-5476; martin.williams@usda.gov). Severe sensitivity to a relatively new postemergence herbicide, tolpyralate (trade name Shieldex), has been documented in certain inbred lines of field corn and sweet corn....

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College of Agricultural, Consumer & Environmental Sciences Illinois Extension

101 Mumford Hall (MC-710)

1301 W. Gregory Dr.

Urbana, IL 61801

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Sweet corn sensitivity to tolpyralate