Choosing the Right HVAC Company for Your Home
February 12, 2026
The Role of HVAC in Indoor Air Quality and Energy Efficiency
February 13, 2026
Trees can play a key role in shaping the overall appearance and atmosphere of residential properties, contributing to improved soil and air conditions. When trees appear vibrant and free of visible issues, a property may look more maintained and cohesive. Professional arborists are trained to assess tree health, identify potential diseases, and recommend appropriate care strategies for your landscape. Here are a few tree diseases that an arborist will identify and address:
Oak Wilt
Oak wilt is a fungal disease that targets oak species, such as white and red oaks. It invades and clogs the xylem vessels, which are core components of a tree’s vascular system. This disrupts water movement within the tree, leading to wilting and decline. Red oaks often decline rapidly, while white oaks may experience a slower progression. The fungus responsible for oak wilt spreads underground through root systems that connect nearby oaks. It also spreads above ground through sap-feeding beetles, which are attracted to fresh wounds.
Vascular blockage caused by oak wilt leads to leaf discoloration and wilting, often beginning at the leaf margins and progressing inward, particularly in red oaks. White oaks may show branch-by-branch dieback, while red oaks often exhibit rapid wilting, leaf curling, and drooping. Other signs that trees in your landscape have this disease include fungal mats beneath the bark and dead upper crown branches. Professional arborists treat this disease by injecting preventative fungicides directly into the tree’s vascular system. This treatment can slow disease progression and is most effective when applied preventatively or during early stages of infection, particularly in white oaks.
Chlorosis
Chlorosis is a condition in which leaves turn yellow or pale green due to insufficient chlorophyll. Chlorosis is a symptom often associated with soil issues, such as pH imbalances or deficiencies in iron or manganese. Mechanical injury to roots or prolonged drought may contribute to chlorosis by limiting water and nutrient uptake. Chronic chlorosis also contributes to stunted growth and dieback at branch tips, and in severe cases, can be associated with minor bark stress symptoms. A tree doctor conducts soil testing to determine nutrient deficiencies and pH levels. They perform deep root fertilization, applying nutrients directly to the roots. This supports nutrient uptake and helps restore healthy green foliage more quickly.
Anthracnose
Anthracnose is a fungal disease that affects many hardwood species. The fungus thrives in cool, wet conditions, which promote infection. Fungal infection is most active in spring when new leaves and shoots are particularly susceptible. Spring conditions, such as rain-splash dispersal of spores from overwintered leaves and prolonged leaf wetness, further promote infection.
To help manage anthracnose, an arborist may apply fungicides preventatively and perform pruning or canopy thinning to improve airflow and reduce infection risk. They also recommend seasonal debris management, particularly removing fallen leaves and twigs in late fall, to reduce overwintering fungal spores and limit infection in spring. Some signs your trees is infected with anthracnose include:
- Premature leaf drop
- Small, irregular brown or tan spots along leaf veins
- Twisted, curled, or cupped leaves
- Twig diebacks and cankers
Dothistroma Needle Blight
Dothistroma needle blight is a fungal disease that primarily affects pines and other conifer species. Warning signs of this disease include yellow or dark-green water-soaked bands on needles, premature needle drop, and browning of older needles, typically starting on lower branches and progressing upward. Arborists inspect trees for these symptoms and apply fungicides to help manage the infection. They may also recommend practices such as pruning infected needles and improving airflow to reduce disease spread.
Contact Professional Arborists Today
Unaddressed tree diseases can rapidly spread through airborne spores or interconnected root systems. A skilled arborist detects and treats these conditions early, helping maintain your trees’ structural stability. Contact a specialist today for reliable tree maintenance solutions.
