Symptoms of Pythium root and stem rot (IMAGE) American Phytopathological Society Caption Symptoms of Pythium root and stem rot caused by Pythium spp.: Credit Sean M. Toporek and Anthony P. Keinath Usage Restrictions Publish with this press release 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.