NC Cooperative Extension   Service

Master Gardener Decision Support Guide

Woody Ornamentals

Dogwood


Short cuts for Dogwood Answers

The following problems are listed for this plant and considered when developing the diagnostic key. If the caller provides accurate answers to the questions, the ones that are linked should key out to that specific problem. The unlinked problems are expected to key to the point where the caller is asked to submit a sample. These samples will often require diagnostic procedures such as soil testing, pathogen culture, Elisa or other test beyond the resources of the average Master Gardener Volunteer or County Extension Agent.

Insects:
Caterpillars:
Choristoneura rosaceana (obliquebanded leafroller)
Lithophane antennata (green fruitworm)
Lymantria dispar (gypsy moth)
Schizura concinna (redhumped caterpillar)

Borers:
Oberea sp.
O.tripunctata (dogwood twig borer)
Synanthedon scitula (dogwood borer)

Scale:
Aspidiotus nerii (oleander scale)
Chionaspis corni (dogwood scale)
C.lintneri
Eulecanium cerasorum (calico scale)
Fiorinea theae (tea scale)
Lepidosaphes ulmi (oystershell scale)
Melanaspis obscura (obscure scale)
Pseudaulacaspis pentagona (white peach scale)
Pulvinaria acericola (cottony maple leaf scale)
P.innumerabilis (cottony maple scale)
Quadraspidiotus juglansregiae (walnut scale)
Q.perniciosus (San Jose scale)
Duplaspidiotus claviger (camellia mining scale)
Lecanium scale eggs

Other:
Resseliella clavula (dogwood club gall midge)
(Seed corn maggot adult)

Diseases:
Botryosphaeria dogthidea (Dieback)
B.obtusa(Dieback)
B.rhodina(Dieback)
Microsphaera pulchra (powdery mildew)
Phyllactinia guttata (powdery mildew)
Cristulariella moricola (Leaf spot)
Elsinoe corni (Spot Anthracnose)
Phytophthora cactorum (Root rot)
Septoria sp. (Septoria leaf spot)
Discula sp. (Anthracnose)
Decline due to old age
Moss, algae, lichens

Return to Dogwood, Woody Ornamentals, Master Gardener Decision Support Guide


Designed by David Goforth on December 30, 1997.
Contents modified on August 21, 1998.
Contents checked on February 17, 1998.