A fungal disease of plums but can also affect cherries, apples and peaches. Fungal spores enter the tree through wound or pruning sites. Initially the leaves have a sliver appearance, shoots dieback along the branch and the wood of these branches is stained brown.
Cut out dead and infected branches, at least 15cm below the level of infection. Prune trees with silver leaf during June when the tree is growing strongly to reduce the further spread of further infection. Avoid pruning in the winter.
Product Solution: Paint wounds with Arbrex Seal & Heal.