The name northern tooth, Climacodon septentrionalis, a common trunk decay fungus of urban maples, is a misnomer. The decay fungus is actually widely distributed in North America east of the Rockies and is found as far south as the Gulf [...]

A dirty dozen or so families of sucking insects are key pests of woody plants. Who are these sucking insects? Suckers belong to a large clan of insects called Hemiptera. More than 10,000 species of Hemiptera are found in North [...]

A Dallas homeowner calls a local tree-service company to have a broken hanger removed and to get a pruning estimate for their backyard pecan tree. When the sales arborist arrives, the homeowner points out honey-bee activity around a cavity in [...]

The TreeRadar Unit (TRU™), manufactured by Tree Radar, Inc., of Silver Spring, Maryland, is a novel application of ground-penetrating radar (GPR) that can be used to assess trees noninvasively. The TRU can be used to assess the trunks and roots [...]

The notion of “organic” with respect to plant culture dates back to 1940, when Lord Northbourne (Walter Ernest Christopher James), a visionary agriculturalist, coined the term “organic farming” in his book Look to the Land. His concept of organic farming [...]