Weed Science issue 67.6 (IMAGE) Cambridge University Press Caption Photo shows the effect of wheat crop competition on the growth habit of ripgut brome grass (Bromus diandrus) (left), which without competition displays a prostrate growth habit (right). Credit Photo by Dr. Michael Walsh Usage Restrictions None 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.