Boxwood Diseases & Insect Pests
Boxwoods (Buxus spp.) are adapted to a wide range of light conditions and prefer fertile, moist, well-drained soil, which is amended with organic matter. For information on species, varieties, and...
Tag: IPM
Powdery Mildew
Introduction Powdery mildew is the name given to a group of diseases caused by several closely related fungi. Their common symptom is a grayish-white, powdery mat visible on the surface of leaves,...
Crapemyrtle Bark Scale
The crapemyrtle bark scale (Acanthococcus lagerstroemiae) is a recently introduced pest from Asia that initially infested crapemyrtles (Lagerstroemia spp.) in Texas during 2004. Since then, it has...
Cranberry Rootworm Beetle
The Cranberry rootworm beetle (Rhabdopterus picipes) is one of several leaf-feeding beetles and weevils that consume the foliage of woody landscape plants in South Carolina. These nocturnal-feeding...
Black Twig Borer
Black Twig Borer (Xylosandrus compactus) is a species of a scolytid beetle and is one of the few ambrosia beetles that will infest healthy or stressed plants. The adult beetle is solid black, shiny,...
Armored Scale Insects & Control
Many armored scales are serious pests of ornamental shrubs, trees, groundcovers, and turfgrasses in South Carolina. Almost 40% of the Clemson Plant Problem Clinic sample submissions for home...
Sycamore Diseases & Insect Pests
Of the 10 species of sycamore (Platanus species), one species, American sycamore (Platanus occidentalis), and one hybrid, London plane tree (Platanus x acerifolia) are common in South Carolina. Both...
Leyland Cypress Diseases, Insects & Related Pests
Leyland cypress (x Cupressocyparis leylandii) has grown in popularity in the Southeast over the last few decades, especially in its use as a fast-growing screening plant. With the increased planting...
Maple Diseases & Insect Pests
Diseases Leaf Scorch: On maple (Acer species) trees, a number of problems cause symptoms that are generally classified as leaf scorch. Scorch symptoms are light brown or tan dead areas between leaf...
Dogwood Diseases & Insect Pests
The flowering dogwood (Cornus florida) is a small, deciduous ornamental tree native throughout the eastern United States. Although dogwoods are well adapted to South Carolina, they can be affected...
Crape Myrtle Diseases & Insect Pests
Crape myrtles (Lagerstroemia indica) are essentially trouble-free small trees. The most common problems include powdery mildew, Cercospora leaf spot, aphids, Japanese beetles, and sooty mold. More...
Apple & Crabapple Insects
Homeowners and small producers can produce useable apples in South Carolina with minimal insect damage if they know the potential pest problems. Some insecticide applications may be necessary even...