Inocculated corn (IMAGE) Penn State Caption Researchers inoculated seeds of corn with spores of Metarhizium robertsii fungus and subsequently evaluated corn plants for fungal colonization of leaves and roots. Credit Imtiaz Ahmad, Penn State Usage Restrictions non commercial use only 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.