Tree Diseases: Brown Rot (Monilinia fruiticola, M. laxa, and M. fructigena)
Introduction Brown rot, also called European brown rot, is a fungal disease that infects the blossoms and fruit of stone fruit trees, almond, and occasionally…
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Tree Diseases: Verticilium Wilt (Verticilium)
Introduction Verticilium wilt (Verticilium) is a fungal disease that infects over 400 plant species. It is caused by six species of the Verticilium genus: V.…
Insect Profiles: Snow Fly (Chionea)
Introduction The snow fly (Chionea) is a wingless crane fly in the genus Limoniid. It is notable for being one of the few insects to…
Tree Profiles: Kousa Dogwood Cultivars, Part 4 (Cornus Kousa)
This is the fourth and final part of a series on Kousa dogwood cultivars. Introduction Kousa dogwood (Cornus kousa), also referred to as Benthamia kousa,…
Tree Profiles: Kousa Dogwood Cultivars, Part 3 (Cornus Kousa)
This is the third part of a series on Kousa dogwood cultivars. Introduction Kousa dogwood (Cornus kousa), also referred to as Benthamia kousa, Cynoxylon kousa,…
Tree Profiles: Kousa Dogwood Cultivars, Part 2 (Cornus Kousa)
This is the second part of a series on Kousa dogwood cultivars. Introduction Kousa dogwood (Cornus kousa), also referred to as Benthamia kousa, Cynoxylon kousa,…
Tree Profiles: Kousa Dogwood Cultivars, Part 1 (Cornus Kousa)
Introduction Kousa dogwood (Cornus kousa), also referred to as Benthamia kousa, Cynoxylon kousa, Chinese dogwood, Kousa, Korean dogwood, and Japanese dogwood is a popular ornamental…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 10
This is the tenth and final part of a series on fall tree diseases. This article examines thousand cankers disease and verticilium wilt. Introduction During…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 9
This is the ninth part of a series on fall tree diseases and disorders. This article examines maple tar spot and oak wilt. Introduction During…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 8
This is the eighth part of a series on fall tree diseases and disorders. This article examines powdery mildew and sooty mold. Introduction During fall,…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 7
This is the seventh part of a series on fall tree diseases and disorders. This article examines leaf scorch and lophodermium needle cast. Introduction During…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 6
This is the sixth part of a series on fall tree diseases and disorders. This article examines diplodia tip blight and Dutch elm disease. Introduction…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 5
This is the fifth part of a series on fall tree diseases and disorders. This article examines black rot of apple and dothistroma needle blight. …
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 4
This is the fourth part of a series on fall tree diseases and disorders. This article examines bacterial wetwood and black knot. Introduction During fall,…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 3
This is the third part of a series on fall tree diseases and disorders. This article examines bacterial leaf scorch and bacterial leaf spot. Introduction…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 2
This is the second part of a series on fall tree diseases and disorders. This article examines armillaria root rot and apple scab. Introduction During…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 1
This is the first part of a series on fall tree diseases and disorders. This article examines annosum root rot and anthracnose. Introduction During fall,…
Tree Diseases: Thousand Cankers Disease (Geosmithia morbida)
Introduction Thousand cankers disease (Geosmithia morbida) is a disease complex that affects walnut trees. The complex begins with the infestation of vulnerable walnut trees by…
Insect Profiles: Peachtree Borer (Synanthedon exitiosa)
Introduction Peachtree borer (Synanthedon exitiosa) , also called peach crown borer, is the most destructive pest of cherry, peach, plum, and other stone fruits. The…
Insect Profiles: Larder Beetle (Demestes lardarius)
Introduction Larder beetle (Demestes lardarius) is a species of beetle in the family Dermestidae. It is is recognized as a commercial and household pest. For…