Technical reports

The year-round visual appeal of white, peeling bark makes birches popular specimen plants in the landscape. A descrip…

Whiteflies are a group of true bugs more closely related to aphids than to flies. Large populations of whiteflies can…

Trees and shrubs require 17 different elements. If they lack one or more of these nutrients, the tree may become less…

Willow-Conifer rust caused by the fungus Melampsora epitea is widely distributed throughout North America. The diseas…

Low temperatures, heavy snows, and ice storms can result in a variety of plant damage. Droughts that weaken landscape…

The winter moth (Operophtera brumata) was introduced to North America from Europe. Winter moth has been note…

In urban landscapes, trees are subject to damage that predispose them to wood decay. Damage may result from construct…

Yews (Taxus) are among the most popular evergreens for foundations, hedges, and group plantings. They are pr…

Once established, a young tree is capable of rapid growth. Its high leaf surface area compared to its total biomass g…

Zoysiagrass (Zoysia sp.) is a highly dense, warm-season turf that spreads by rhizomes (underground running s…