Tree issues

Bagworms, Webworms, and Tent Caterpillars

Many caterpillars that feed on trees produce webs, tents or bags, which provide the insects protection from predation and poor weather. This publication will discuss the identification and management of these common pests.

Chlorosis of Trees in Central and Western Nebraska

Chlorosis describes any condition in which leaves or needles develop an abnormally light green or yellow color. The most common cause of chlorosis in trees is a deficiency of iron in the tissues. Other causes of chlorosis include over-watering, over-fertilizing, damage to roots, and deficiencies in manganese or other micronutrients.

Chlorosis of Trees in Eastern Nebraska

Chlorosis describes any condition in which leaves or needles develop an abnormally light green or yellow color. The most common cause of chlorosis in trees is a deficiency of iron in the tissues. Other causes of chlorosis include over-watering, over-fertilizing, damage to roots, and deficiencies in manganese or other micronutrients.

Decline in Ash Trees: Diseases & Environmental Stresses An Identification Guide

Many diseases and environmental stresses contribute to the decline of ash trees in Nebraska. This publication describes the common characteristics of these problems.

Diplodia Blight (Tip Blight) of Pines

Diplodia blight is a common disease affecting pines throughout Nebraska. Trees in landscapes, windbreaks, plantations and native pine stands may sustain damage. This brochure discusses Diplodia blight (also known as tip blight or Sphaeropsis blight) and provides suggestions for management and control.

Recognizing & Correcting Tree Hazards

Trees should be inspected for defects and hazardous conditions after a severe storm. Some trees are in danger of falling and have a high immediate potential for serious injury or property damage. Others may have a lower immediate potential risk, but the long-term risk of significant injury or damage may still be too great to allow the questionable branch or tree to remain. Hazards in trees need to be eliminated either by removing the tree or the affected branches or by some kind of corrective treatment. Following are descriptions of