Leaf spot is a commonly used descriptor for identifying many plant diseases.
41+ Magnolia Leaf Spot Disease. There are more than 200 kinds of magnolias, but the majority of them are vulnerable to a variety of leaf diseases. Cause of leaf spot on magnolia leaves.
Tar Spots On Oaks Training At The Plant Clinic Part3 Texas Plant Disease Diagnostic Lab from plantclinic.tamu.edu
Leaf spot diseases should be taken seriously if they result in moderate to complete leaf loss two to four years in a row. Acervuli on leaf lesion under microscope. Magnolia trees may develop diseases like bacterial or fungal leaf spots that may worsen to leaf blight, verticillium wilt, sooty mold, powdery mildew, etc.
Purple/gray/black leaf spots, leaf discoloration.
The primary cause of white spots on a magnolia tree is the fungal disease called powdery mildew. Deciduous magnolia 'elizabeth' infected with a bacterial leaf spot disease. Leaves may fall off the tree if the problem is severe, but these pathogens rarely cause. Leaf spot diseases should be taken seriously if they result in moderate to complete leaf loss two to four years in a row.
