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

It all depends on the size of the tree. If it is a mature specimen, then attempts to straighten the tree will likely...

It is not recommended to top any tree, however some specific reduction cuts could be of benefit in certain situations...

What you describe sounds like one of many different types of wood decay fungi. These attack the heartwood, not the...

Typically not. These are weak pathogens that take advantage of an already weakened tree. It would be best to improve...

It is highly unlikely that the accumulated seed hulls would cause the maple tree to die back. There are probably other...

Small (1/4" diameter) branches can be sucessfully grafted on to larger spruce trees if there are live branches...

Yes, we are able to prune evergreen trees. If you are interested in an estimate, please feel free to make an...

In recent years, a pattern of diseased European hornbeam (Carpinus betulus) has been …

Common oak scales

Canada, Great Britain, Ireland, United States

Oak species are used as the primary or secondary host by a large number of scale insects. High populations of any one…

Conifer care

Canada, Great Britain, Ireland, United States

Conifers are commonly planted in North America to provide year-round screening, as windbreaks, or as focal trees in t…