Silver leaf

Silver leaf (Chondrostereum purpureum) is a world-wide fungal disease found in temperate climates. Apple, pear, cherry, plum, poplar, willow, hawthorn, laburnum, rhododendron and rose species are all susceptible to attack. In addition, the fungus can move between different host plants. For example, silver leaf on peach will also cross-infect apple, etc.