<I>Phytopthora infestans</I> Invading Potato Leaf (IMAGE) Norwich BioScience Institutes Caption This is a closeup on P. infestans (cyan) growing out of a dead tissue lesion and invading living (red) tissue on a potato leaf. Credit Sebastain Schornack and Sylvain Raffaele, The Sainsbury Laboratory 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.