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

Most need to be in warm areas and brought inside during the cold weather. Outside, they need to be protected and get...

The fungus you are referring to may actually be Lichens that are growing on the tree. This will not harm the tree if...

It sounds like a bacterial leaf spot disease. Suppression requires fungicide applications (3-4) in the spring. It is...

The treatment for Phytophthora Canker is applied directly to the bark at and surrounding the site where the canker is...

It is likely that it will get larger and grow faster in soil than in a pot. However, genetically, it will remain...

If you look at the outer portion of the canopy, you will see that these are normally dense and little sunlight...

This can be managed with sterile pruning practices and systemic insecticide applied at precise timing.

Southern Magnolias are a fantastic tree, but need to be grown in certain culturally correct conditions. There could...

It is hard to say what is causing the limb to turn black. If it is dead, it could be decay. If it is still alive,...

Sounds like you have an oak with a heartrot problem. The fungus you see is the mushroom typically confirming some...