Safeguarding Corn Crops (IMAGE) University of Delaware Caption A new study has improved understanding of genetic diversity among tropical maize varieties - information that can be used to guide future breeding efforts to safeguard corn crops. Credit University of Delaware Usage Restrictions Must credit University of Delaware License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.