Striga Held Above Corn Field (IMAGE) American Society of Agronomy Caption This is a flowering witch weed (Striga asiatica L. O. Krantz) at Goromonzi district, Zimbabwe in maize field under conservation agriculture Credit Isaiah Nyagumbo, CIMMYT 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.