Introduction Beech bark disease is an insect-disease complex responsible for causing significant mortality and defect in American beech (Fagus grandifolia) and European beech (Fagus sylvatica). Beech bark disease results when…
This is the second half of a two part series on red maple cultivars. Red maple is one of the most popular trees used for cultivation. Its rapid growth, aesthetic…
This is the first half of a two-part series on red maple cultivars. Red maple is one of the most popular trees used for cultivation. Its rapid growth, aesthetic qualities,…
This is the second half of a two part series on red maple. The following examines the tree's root development, soil and topography, damaging agents and pests, allergenic potential, and…
This is the first half of a two part series on red maple. The following examines the tree's developmental traits, distribution and habitat, longevity, height, leaves, twigs, flowers, fruit, and…
Dogwood anthracnose is a common tree disease of flowering and Pacific dogwood. The origin of the disease is unknown, but it is believed to have been introduced to the United…
Anthracnose is a general term used to describe various diseases that occur on many deciduous and evergreen tree species. The following examines the most common types of anthracnose, and the…
Anthracnose is a group of fungal diseases that affect many deciduous and evergreen tree species. It causes dark sunken lesions to appear on leaves, stems, twigs, flowers, and fruit. Prolonged…
As trees mature, they reach the pinnacle of their productive capabilities. But aging is not without its caveats. The older a tree gets, the more susceptible it becomes to environmental…
When attempting to diagnose a nutrient deficiency, trees should be inspected for visual symptoms. The following explores some of the symptoms associated with nitrogen, phosphorous, potassium, sulfur, and zinc deficiencies,…