Tree Diseases: American Chestnut Blight
Introduction Chestnut blight, also called chestnut bark disease, is a fungal infection that has significantly reduced the chestnut population in North America. The fungus is…
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Abiotic Disorders of Trees: Water Stress and Storm Damage
Introduction During spring and summer, trees can be impacted by a number of heat related disorders. The following examines the effects of those wrought by…
Tree Diseases: Sooty Mold
Introduction: Sooty mold is a collective term applied to several species of dark fungi. The fungi grow on honeydew excreted by insects, or exudates from…
Abiotic Disorders of Trees: Drought Stress and Heat Injury
Climate shifts and extreme temperatures present a slew of environmental challenges for trees. The following examines two of the most common heat related disorders, and…
Tree Diseases: Diplodia Tip Blight of Pines
Introduction: Diplodia tip blight, also known as Sphaeropsis tip blight, is a common fungal disease caused by two species of Diplodia: Diplodia pinea and Diplodia…
Tree Diseases: Beech Bark Disease
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).…
Tree Profiles: Red Maple Cultivars, Part 2
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…
Tree Profiles: Red Maple Cultivars, Part 1
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.…
Tree Profiles: Red Maple (Acer rubrum), Part 2
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…
Tree Profiles: Red Maple (Acer rubrum), Part 1
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,…
Common Tree Diseases: Dogwood Anthracnose
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…
Gypsy Moth Outbreak in Massachusetts
Earlier this year, Massachusetts, Rhode Island, and Connecticut were beset by the most severe outbreak of gypsy moth since 1981. The rapacious insects were especially…
Common Tree Diseases: Types of Anthracnose
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…
Common Tree Diseases: Anthracnose
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,…
ANSI A300 Standards for the Tree Care Industry Parts 7-9: Integrated Vegetation Management, Root Management Standard, and Tree Risk Assessment
The tree care industry has its own set of voluntary consensus standards called the ANSI A300 standards. They are generally accepted to be the industry…
ANSI A300 Standards for the Tree Care Industry Parts 4-6: Lightning Protection Systems, Management of Trees and Shrubs During Site Development, and Planting and Transplanting
The tree care industry has its own set of voluntary consensus standards called the ANSI A300 standards. They are generally accepted to be the industry…
ANSI A300 Standards for the Tree Care Industry Parts 1-3: Pruning, Soil Management, and Supplemental Support Systems
The tree care industry has its own set of voluntary consensus standards called the ANSI A300 standards. They are generally accepted to be the industry…
ANSI Z133 Safety Standard for the Tree Care Industry
The ANSI Z133 Safety Requirements for Arboricultural Operations, often referred to as the Z133 Safety Standard, are the accepted safety standards for the tree care…
ANSI Standards
The American National Standards Institute (ANSI) was founded in 1918 as a private, non-profit membership organization dedicated to promoting voluntary consensus standards. The purpose of…
Twelve Most Frequently Cited OSHA Standards
In the United States, the Occupational Safety and Health Administration (OSHA) is a federal agency responsible for establishing safety standards within various industries. Their mission…