Emasculation in Pigeonpea (IMAGE) American Society of Agronomy Caption Researchers remove the anthers (emasculation) in cultivated pigeonpea to ensure accurate breeding. 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.