★ Key Takeaways
To Control Magnolia Scale, Remove and Destroy Heavily-Infested Branches. Treat with a Contact Insecticide (Horticultural Oil, Insecticidal Soap, Other Synthetic Insecticide) or a Systemic Insecticide (Imidacloprid) in Late August or Early September.
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To Control Magnolia Scale, Remove and Destroy Heavily-Infested Branches. Treat with a Contact Insecticide (Horticultural Oil, Insecticidal Soap, Other Synthetic Insecticide) or a Systemic Insecticide (Imidacloprid) in Late August or Early September.
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