Beech Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Beech diseases.

Bacterial Wetwood Or Slime Flux

Many mature trees, including elms, oak, tulip poplar, and maple, exhibit large light or dark vertical streaks on their trunks resulting from slimy liquid oozing out of crack or wounds and running down

Bacterial Leaf Scorch

Leaf scorch, sometimes called marginal leaf burn, describes the death of tissue along the edge of the leaf. This symptom develops when sufficient water does not reach the leaf margin cells.

Ash Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Ash diseases.

Armillaria Root Rot Of Trees

Armillaria root rot, sometimes called shoestring root rot, is caused by various species of the fungus Armillaria. Susceptible plants include most deciduous and coniferous species.

Arborvitae Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Arborvitae diseases. Disease Symptoms Pathogen/Cause Management Branchlet The oldest branchlets turn brown in autumn and fall off. Nor

Anthracnose On Shade Trees

Ash (Fraxinus), oak (Quercus), sycamore (Platanus), maple (Acer), dogwood (Cornus), and many other deciduous hardwoods are susceptible to a leaf disease called anthracnose that is caused by various sp

Amelanchier Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Amelanchier diseases. (Shadbush, Serviceberry)

Abiotic Diseases Of Woody Ornamentals

Biotic diseases involve fungi, bacteria, viruses, nematodes, etc., and abiotic diseases involve non-living things. Of the two major types of disease, abiotic diseases are by far the most important one

Tulip Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Tulip diseases.

Statice Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Statice diseases.

Rudbeckia Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Rudbeckia diseases.

Pansy Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Pansy diseases.

Narcissus Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Narcissus diseases.

Lily Of The Valley (Convallaria) Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Lily Of The Valley (Convallaria) diseases.

Iris Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Iris diseases.

Hemerocallis (Daylily) Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Hemerocallis (Daylily) diseases. Disease Symptoms Pathogen/Cause Management Colletotrichum leaf spot or leaf scorch Leaf tissue dies i

Gypsophila Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Gypsophila diseases.

Goldenrod (Solidago) Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Goldenrod (Solidago) diseases.

Gladiolus Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Gladiolus diseases.