The University of Delaware 2021 hybrid corn performance test report is posted online. Use the following links to view the report.
Here is a link to the Corn Crops page:
https://www.udel.edu/academics/colleges/canr/cooperative-extension/sustainable-production/commercial-crops/field-crops/corn/
Here is a direct link to the pdf:
https://www.udel.edu/content/dam/udelImages/canr/pdfs/extension/sustainable-agriculture/Commercial_Crops/cornhybridtrials-2021.pdf