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

Hedge pruning

Canada, Great Britain, Ireland, United States

Hedges provide valuable screening, green fencing and elegant architectural features in many landscapes. Maintaining hedg…

Hemlock Woolly Adelgid

Canada, United States

Infestations of the hemlock woolly adelgid are conspicuous due to the white, woolly cove…

Hemlock rust mite

Canada, Great Britain, Ireland, United States

Hemlock rust mite is an Eriophyid mite that feeds on hemlock needles causing foliar symptoms that are often mistaken …

Hemlocks are widely used in the landscape because they retain attractive foliage year-round and are shade tolerant. A…

Holly leaf and twig blight

Canada, United States

Leaf and twig blight on holly (Ilex spp.) is a fairly common disease in the Pacific coastal region of Canada…

Honeylocust (Gleditsia triacanthos) is a long-lived, deciduous hardwood tree commonly planted along city str…

IPM for landscape plants

Canada, Great Britain, Ireland, United States

Maintaining the health and vigor of trees and ornamental plants is the best defense against insects, mites, disease, …

IPM of clearwing borers

Canada, Great Britain, Ireland, United States

Integrated pest management (IPM) of clearwing borer moths (Family Sesiidae) is based on the following control strateg…

Iron is an essential element for the growth and development of trees. It is utilized in chlorophyll for the manufactu…

Irrigation technical report

Canada, United States

Moisture stress from drought periodically affects landscape plants. Irrigation to prevent drought stress must be prop…