Several fungi cause leaf spots on Russian olive but are not serious enough to warrant chemical control.
Several canker diseases attack the branches and trunk. The most common of these diseases is Fusicoccum elaegni. The leaves on infected branches turn brown and persist on the tree. Usually, only the branch tip is affected. There is no chemical control for canker diseases.
Eleagnus may be attacked by verticillium wilt. The disease causes wilting and browning of leaves on affected branches. There is no chemical control. Fertilize infected trees and prune out dead branches.
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|Fusicoccum canker on eleagnus - 27K||Fusicoccum canker on eleagnus, close up - 33K|