Ash Diseases

Ash: Anthracnose categories: Ash Ash Diseases Ornamental trees Ornamentals last review date: 2026-02-12 12:01 Ash anthracnosePhoto by: R.S. Byther Biology Anthracnose is a fungal disease of leaves and twigs of many ash species, including black, green, red, velvet, and white ash. Symptoms of anthracnose arise in spring on succulent, expanding shoots and leaves as water-soaked […]

Ash: Nectria canker categories: Ash Ash Diseases Ornamental trees Ornamentals last review date: 2026-02-12 08:06 Nectria canker fruiting bodiesPhoto by: R.S. Byther Biology Nectria canker is a fungal disease often found on twigs and branches that have been weakened by drought, frost damage, insect damage, or other diseases. Cankers are initially distinguished by discolored bark […]