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,…
Insect Profiles: Southern Pine Beetle (Dendroctonus frontalis)
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…
Tree Diseases: Rhizosphaera Needle Cast
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…
In the Northeast: Winter Desiccation of Evergreens
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…
Winter Care for Fruit Trees
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…
Tree Care in Winter: Winter Tree Care Recommendations
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,…
Insect Profiles: Asian Lady Beetle (Harmonia axyridis)
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…
Summer Tree Care: Identifying Common Tree Insects in Summer, Part 1
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…
To Mulch or Not to Mulch: The Benefits of Proper Mulching
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…
Spring Tree Care: Identifying Common Tree Diseases in Spring, Part 8
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…
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