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Pseudomonas syringae pv. syringae causes a leaf spot, which looks similar to bacterial leaf spot on magnolia.
Pseudomonas syringae pv. syringae causes a leaf spot, which looks similar to bacterial leaf spot on magnolia.
The disease causes small necrotic spots with a yellow halo on both sides of the leaves.
The disease causes small necrotic spots with a yellow halo on both sides of the leaves.
It is difficult to separate out the symptoms of syringae leaf spot from bacterial spot. However, Pseudomonas sp. is much more an issue during cooler and wet weather conditions combined with heavy overhead irrigation.
It is difficult to separate out the symptoms of syringae leaf spot from bacterial spot. However, Pseudomonas sp. is much more an issue during cooler and wet weather conditions combined with heavy overhead irrigation.

Bacterial causal agent: Pseudomonas syringae pv. syringae; P. cichorii

Magnolia diseases

BACTERIAL BLIGHT