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

Juniper scale (Carulaspis juniperi) and minute cypress scale (Carulaspis minima) are closely relate…

Juniper tip blight

Canada, United States

Tip blight of juniper is a fungal disease that causes tip dieback and twig cankers, which result in a weakened and di…

Junipers (Juniperus spp.) are among the hardiest and most versatile landscape plants. This genus is represented…

Keithia blight

Canada, United States

Keithia blight, a disease caused by the fungus Didymascella, leads to blighting, twig dieback, and branch de…

Lace Bugs

Canada, United States

Lace bugs are common insect pests on many deciduous and evergreen landscape plants. Common host plants include azalea…

Landscape protection from boxwood blight

Canada, Great Britain, Ireland, United States

Boxwood blight is a fungal disease that causes leaf spots, twig cankers, rapid defoliation, and eventual death of box…

By fall, many trees are preparing for dormancy, and the loss of leaves for photosynthesis has a lesser impact at that…

Laurel wilt

Canada, Great Britain, Ireland, United States

Laurel wilt is a vascular wilt disease caused by an invasive fungus that affects members of the plant family Lauracea…

Laurel wilt (West Coast)

Canada, United States

Laurel wilt is a destructive vascular wilt disease affecting members of the Lauraceae family (commonly refer…

Leafy mistletoe

United States

Kissing under the mistletoe at Christmas time is a long held tradition with its origins in old English folklore. Sinc…