Environmental factors and damage

  • All resources in environmental factors and damage 168
  • Fertilization and soil management 17
  • General information 19
  • Insects and pests 117
  • Plant health care 126
  • Tree diseases 117
  • Tree management and consulting 26

Fireblight symptoms do not always include cankers at the tips of the tree. The symptoms can appear as water-soaked and...

It's difficult for us to formally know the demise of the tree without a Certified Arborist inspecting the tree. Make...

The resin (sap) production generally occurs due to wounds created on the developing cones. The most common wounding...

Several issues could be causing this problem. Leaf curling and browning could be fungal related considering the...

There are many different factors that could be negatively affecting your tree. The sap bleeding from the tree can be a...

This tree could be suffering from multiple issues. The best way to assess this tree with regard to health, is to set...

There are many factors that go into a proper diagnosis of potential biological or environmental conditions which can...

Yellowing of the leaves and leaf drop could be symptoms of heat stress, aphids, psyllids, or nitrogen deficiency. If...

What you are describing on the autumn blaze maple are likely two different pests. The bumps on the leaves are galls...

Collar lesions on maples are often the result of Phytophthora infections, particularly those with soil or heavy mulch...