Witches' broom in Arabidopsis (IMAGE) John Innes Centre Caption Phytoplasma effector SAP05 induces witches' broom in Arabidopsis Credit John Innes Centre Usage Restrictions Attribution is required. You may not use the material for commercial purposes. You cannot distribute any derivative works or adaptations of the original work. License Original 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.