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Tree diseases
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Tree diseases

  • All resources in tree diseases 256
  • Environmental factors and damage 117
  • Fertilization and soil management 3
  • General information 9
  • Insects and pests 122
  • Plant health care 171
  • Tree management and consulting 18

Is my leaning twin-trunk tree still structurally sound?

If the angle of the lean of the tree appears to be changing, the tree could be in the process of failing structurally....

Plant health care
Tree diseases

Is my white pine leaking again due to a bug infestation?

This could be woodpecker damage, which is usually not an issue, or it could be borer damage that could be very...

Plant health care
Insects and pests
Tree diseases
Environmental factors and damage

Is peeling bark on my elm or ash a sign the tree is dying?

If indeed it is an Elm or an Ash, then we're in trouble: the Elms and Ashes are leafing out in some areas. We would...

Plant health care
Insects and pests
Tree diseases
Environmental factors and damage

Is there a way to stop fruit from growing on my tree?

In short, the answer is no. Florel was thought to be the cure for fruit, but it has failed. The best means is to...

Plant health care
Tree diseases

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…

Tree diseases

Keithia blight

Canada, United States

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

Tree diseases

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…

Tree diseases
General information

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…

Tree diseases

Laurel wilt (West Coast)

Canada, United States

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

Tree diseases

Lethal bronzing of palm

Canada, Great Britain, Ireland, United States

Lethal bronzing of palm (formerly Texas Phoenix Palm Decline) is a vascular disease caused by a specific type of phyt…

Tree diseases
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