How to Identify Anthracnose: Symptoms and Treatment

Posted by on Mar 4, 2020 in News, Tree Care Tips |

This week, we return with our series on the common tree diseases and insect pests in Illinois with a discussion of a fungal diseases that can affect many different trees and shrubs; anthracnose.  Anthracnose is a term used to describe a variety of similar fungal diseases that cause lesions to appear on the leaves, branches, and fruit of affected trees.  These lesions typically appear as wet, dark spots on leaves and twigs and they can cause...

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Oak Wilt: Recognizing and Managing the Symptoms

Posted by on Nov 4, 2019 in Tree Care Tips |

We are back this week with our series on the common tree diseases and insect pests in Illinois with a close look at a serious disease that threatens all types of oak trees; oak wilt.  Oak wilt is a dangerous vascular wilt disease caused by the fungus Bretziella fagacearum that oak trees can contract over land or through their roots.  The main symptoms of oak wilt include discoloration and wilting of the leaves and defoliation, and it can kill...

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Emerald Ash Borer: Identification and Prevention

Posted by on Sep 30, 2019 in News, Tree Care Tips |

This week, we are returning with our series covering the common tree diseases and insect pests in the Chicago area to take a closer look at an especially destructive pest; the emerald ash borer.  The emerald ash borer is one of the most feared tree pests because they can kill formerly healthy trees in just one to two years after infestation.  Once an ash tree is infested with the emerald ash borer, there is often little that can be done to save...

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Dutch Elm Disease: Symptoms and Management

Posted by on Aug 6, 2019 in News, Tree Care Tips |

At Hendricksen Tree Care, we have helped you get to know the trees in the Chicago area, and possibly the trees on your own property, through our blog series on the native trees of the Chicago area.  While we certainly believe it is important to know about and appreciate the trees in our area for their natural beauty, it is also important to understand the threats to our trees.  There are many tree diseases and pests that can cause serious...

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