Diseases and Insect Pests of Hardwoods (Broadleaf trees) – by species

Apple/Crabapple (Malus): Aphids on Deciduous Trees and Shrubs Apple Maggot Management Apple Scab Disease Management Recommendations for Trees and Shrubs (Black Rot Canker, Cedar-Apple Rust, Fireblight, Frog-eye Leaf Spot, Powdery Mildew, and Apple Scab) Fireblight Forest Tent Caterpillars in Minnesota Forest Tent Caterpillar (USFS) Gypsy Moth (USFS) Gypsy Moth in Minnesota (MNDNR) Insecticide Suggestions to Manage Landscape Tree and Shrub […]

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Saps and Syrups in Minnesota

Maple Syrup It’s time to start tapping the sugarbush when we start to have warm days (above freezing) paired with cold nights (below freezing). Tapping Maple trees (Acer spp.) is a great spring activity for individuals, families, and friends. The ratio of sap to syrup is determined by the rule of 86 (86 / % sugar in the sap), and […]

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Diseases and Insect Pests of Hardwoods (Broadleaf trees)

General Information: Disease Management Recommendations for Trees and Shrubs Specific Diseases/Insects: Anthracnose and Other Leaf Spot Diseases of Maples Anthracnose Diseases of Eastern Hardwoods (USFS) Anthracnose of Shade Trees Aphids on Deciduous Trees and Shrubs Aphids on Trees and Shrubs Apple Scab Armillaria Root Disease USFS Carpenter Ants-can affect any standing wood/lumber Damping-off of Seedlings Emerald Ash Borer Environmentally Conscious […]

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