Tree Diseases: Lophodermium Needle Cast
Introduction Lophodermium needle cast is a fungal disease that affects two and three needled pines, as well as some five needled pines. The disease is caused by the fungus, Lophodermium…
Tree Diseases: Elytroderma Needle Cast
Introduction Elytroderma needle cast, also known as Elytroderma disease, is a fungal disease of pine trees. It is especially common on ponderosa pine. Elytroderma needle cast is caused by the…
Tree Diseases: Dothistroma Needle Blight of Pines
Introduction Dothistroma needle blight, often referred to as red band disease in the western United States, is a devastating foliar disease of pines. The causal agent of the disease is…
Tree Profiles: Saucer Magnolia Cultivars, Part 2
This is the second half of a two part series on saucer magnolia cultivars. Introduction Saucer magnolia is a popular selection for cultivation. Numerous cultivars have been developed, and are…
Tree Profiles: Saucer Magnolia Cultivars, Part 1
This is the first half of a two part series on saucer magnolia cultivars. Introduction Saucer magnolia is a popular selection for cultivation. Numerous cultivars have been developed, and are…
Tree Diseases: Pine Wilt Disease
Introduction Pine wilt disease is an affliction of pine caused by the pine wood nematode, Bursaphelenchus xylophilus. The pine wood nematode is a microscopic parasite. It is transmitted to susceptible…
Tree Diseases: Pine Needle Rust
Introduction Pine needle rust is a fungal disease that affects many species of pine. The disease is caused by over twenty species of Coleosporium fungi. Coleosporium asterum is the most…
Tree Diseases: Brown Spot Needle Blight
Introduction Brown spot needle blight is a fungal disease of pine trees. The disease is caused by the pathogen, Mycosphaerella dearnessii. The damage produced by brown spot needle blight resembles…
Insect Profiles: Japanese Beetle (Popilla japonica)
Introduction Japanese beetle (Popilla japonica) is a long, green beetle that is native to Japan. It is considered one of the most devastating pests of turfgrasses, and urban landscape plants…
Insect Profiles: Bagworm (Thyridopteryx ephemeraeformis)
Introduction Bagworm (Thyridopteryx ephemeraeformis), also referred to as eastern bagworm, common bagworm, common basket worm, North American bagworm, or evergreen bagworm, is a native insect that infests many deciduous and…
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