Erysiphe pisi, the pathogen that causes powdery mildew in peas, first becomes visible in spots on the upper surface of leaves, particularly those in the lower canopy. Once the fungus infects its host, it is quick to spread, coating the surfaces of plant tissue with a fine, blue-white powder. Powdery mildew in peas is largely… Read more »
Tag: Deng-Jin Bing
