Raceway pond experiments (IMAGE) University of California - San Diego Caption Large-scale algae crops are grown in open raceway ponds that leave them vulnerable to invading viruses, bacteria and fungi that can quickly devastate crops. Credit UC San Diego Usage Restrictions Must be used in conjunction with PNAS paper on algae crop health technology. License Original 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.