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Why are Oaks Declining? Dr. Dave Describes 3 Oak Diseases

We’ve recently received inquiries about oak trees declining and dying. People usually want to know if this is caused by oak wilt. Importantly, oak wilt is not known to occur widely in Maryland. Two common leaf diseases of oaks in…

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Wilted Plants? Check for Signs of Southern Blight

Southern blight is a plant disease that is active now in hot summer weather. It is caused by a fungus called Sclerotium rolfsii. This fungus has a wide host range including woody plants, vegetables and herbs, and ornamental perennials such as…

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Brown Patch in Maryland Lawns

Along with the start of summer time comes a common lawn disease for Maryland homeowners’ lawns called brown patch. The disease is caused by several fungal species of Rhizoctonia.  Rainy summers are worse, but even drier summers have brown patch…

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