Bacterial Leaf Scorch: Identifying Characteristics
Identifying the injury: | Foliage with marginal chlorosis, followed by necrosis. The necrosis is usually closer to the leaf margins. Leaves turn completely brown. Stunting, dieback and sometimes tree death. |
Identifying the pathogen: | X. fastidiosa is a microscopic rod-shaped bacterium that is not easily cultured on artificial media. |
Susceptible trees: | Wide host range including: oaks (especially laurel and turkey oak), sycamore, sweetgum and elms. |