silverleaf disease
(Chondrostereum purpureum)
A fungal wilt disease of susceptible species including Prunus spp., apple (Malus spp.) and other roseaceous trees, Rhododendron spp. and laburnum (Laburnum anagyroides), associated with a silvery look to the leaves and causing wilt and premature defoliation.
This definition is abridged from A – Z of tree terms: A companion to British arboriculture.
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