Pollen Fertility and Sterility Studies (IMAGE) American Society of Agronomy Caption A researcher (Sriniwas) records data on groundnut crosses. Credit PS Rao. Usage Restrictions Please use with story 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.