Technical reports

  • All 320
  • Environmental factors and damage 50
  • Fertilization and soil management 34
  • General information 106
  • Insects and pests 82
  • Plant health care 91
  • Tree diseases 81
  • Tree management and consulting 15

Wildfires (also known as forest or brush fires) are both naturally and accidentally occurring fires that can pose a s…

Flowering dogwood disorders

Canada, United States

Flowering dogwood (Cornus florida) thrives in areas with morning sun and afternoon shade, and well-drained, slightly …

Flowering dogwood (Cornus florida) is a small native tree that provides year-round interest in the landscape…

Forest tent caterpillar

Canada, United States

The forest tent caterpillar, Malacosoma disstria, is a native pest to North America and is found throughout …

Formosan subterranean termite

Canada, United States

The Formosan subterranean termite is considered to be the most aggressive and destructive species of termite in the w…

Fresh wood chip mulch

Canada, Great Britain, Ireland, United States

There are many materials that are used for mulching trees and shrubs. One of the most economical is fresh woodchip mulch…

Fusarium wilt of palms

Canada, Great Britain, Ireland, United States

Date palm wilt, caused by the fungus Fusarium oxysporum f. sp. canariensis, is the most serious and…

Ganoderma butt rot

Canada, Great Britain, Ireland, United States

Palms are an extremely important group of plants for the landscape industry in many of the coastal areas in the south…

Gas injury

Canada, United States

Gases in the soil have been damaging trees and shrubs along streets ever since the first illuminated gas transmission li…

Girdling roots

Canada, Great Britain, Ireland, United States

Girdling roots are usually lateral roots at or slightly below the soil line that cut into at least one side of the ma…