Striga Among Corn (IMAGE) American Society of Agronomy Caption This is a flowering witchweed (<i>Striga asiatica L. O. Krantz</i>) in a conventionally-ploughed maize field on sandy soils in Madziwa, Zimbabwe. Credit Christian Thierfelder, 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.