What Is Wrong With My Tree? Apple Scab On Crabapple

Apple scab is caused by the fungus Venturia inaequalis and is the most common disease of crabapple trees. In spite of severe leaf drop, apple scab rarely kills a tree and severity depends upon that year’s weather conditions. If infection occurs for several years, the tree could be weakened enough [...]

What Is Wrong With My Tree? Rhizosphaera

Is A Fungus The Rhizosphaera fungus attacks spruce trees in Missouri. The disease is encouraged by poor air circulation and high humidity. This disease does not usually kill trees, but they may become largely defoliated and unsightly.

Take Action Now To Prevent Oak Wilt

Oak wilt is an aggressive fungal disease that attacks the water-conducting tissues of oak trees. This disease, caused by the pathogen Ceratocystis fagacearum, is one of the most serious diseases to affect oak trees in the United States. Up Next: 5 Common Tree Diseases & How To Protect Your Trees [...]

What Is Wrong With My Tree? Basal Tree Rot

What Is Basal Tree Rot? Decay in trees is often a hidden problem that takes place inside the trunk or roots and may be difficult to see.  Many homeowners see a tree with a full canopy of green leaves and assume the tree is “healthy”.  A tree can have large [...]

Managing Tree Root Diseases

Tree root diseases can be scary to deal with as a homeowner. You may be wondering if your tree can be saved, or if these diseases can spread to your other trees. Up Next: What Should I Do If My Tree Roots Are Damaged? The best way to manage tree [...]