Tree Diseases: Annosum Root Rot
Introduction Annosum root rot, also referred to as annosus root rot, is a fungal disease of pine, spruce, and fir trees. The causal agent of the disease is the fungus,…
Introduction Annosum root rot, also referred to as annosus root rot, is a fungal disease of pine, spruce, and fir trees. The causal agent of the disease is the fungus,…
Introduction Southern pine beetle (Dendroctonus frontalis) is a small insect that is native to North America. The insect is considered one of the most destructive pests of conifers. It often…
Introduction Rhizosphaera needle cast is a fungal disease that affects many spruce trees, particularly Colorado blue spruce, and Engelmann spruce. The causal agent of the disease is the fungus, Rhizosphaera…
During the winter season, trees must endure a slew of unique challenges, many of which are influenced by the frigid climate, and harsh, dry weather. One of the more common…
Introduction Winter is an ideal period to care for your fruit trees. Performing general maintenance on fruit trees, and ensuring that they are protected from winter damage will help them…
Introduction Winter is an ideal period for maintaining trees and shrubs. As cool temperatures prevail, many plants enter a dormant state. However, the frigid temperatures, coupled with the inclement weather,…
Introduction Asian lady beetle (Harmonia axyridis) is an exotic beetle in the family Coccinellidae. The insect is native to Asia, where it is widespread. In the 1960s, the United States…
This is the first part of a series on summer tree insects. This article examines ailanthus webworm, Asian long-horned beetle, and bagworm. Introduction As spring transitions into summer, temperatures gradually…
Mulching is one of the best ways to maintain a healthy landscape. When properly applied, mulch can serve as an excellent substitute to the organic materials and other living organisms…
This is the final part of a series on spring tree diseases. This article examines oak wilt. Introduction In spring, as the growing season commences, trees become vulnerable to infection…