The Reporting Arborist

Wow Truly Amazing

Top 4 Common Tree Diseases in the Pacific Northwest. Phytophthora Root Rot. ... Most common root and stem rot, usually caused by poorly drained soils.... Verticillium Wilt. ... Caused by 6 species of fungi and will block nutrient and water uptake to the tree causing it to wilt and eventually die. Anthracnose. ... Fungal bacteria that grows on the leaves and twigs of many species of tree's. Causes death to the leaves and twigs it infects. Control starts with good disposal of infected leaves every year. Bronze Birch & Emerald Ash Borers. Boring Grubs or Larvae infected the inner bark of a tree by creating little mines. This restricts water and nutrient up take. These insects are usually secondary pest and attack trees that are already suffering.

Climate Change and our Urban Forest