Technical reports

Scales insects are an unusual group that look and behave very differently than most insect pests encountered on trees…

Growing degree days (GDD) are a measure of accumulated heat units. For a physiological change to occur, such as insec…

Properly maintained shrubs and hedges contribute aesthetic value to commercial landscapes. Because of how they are us…

Properly maintained shrubs and hedges contribute aesthetic value to residential landscapes and provide other services…

Managing trees in ways that promotes growth and results in large, mature trees is often desirable because these speci…

Managing trees in ways that promotes growth and results in large, mature trees is often desirable because these speci…

Rust diseases on woody ornamental plants are caused by several fungal genera with Gy…

Rust diseases on woody ornamental plants are caused by several fungal genera with Gy…

Hawthorns (Crataegus) are widely used as a small landscape tree. They are selected for their showy spring flowers and…

Hawthorns (Crataegus sp.) are widely used as specimen trees and shrubs in mass plantings and as hedges. They…