Currant and Gooseberry Pests

Developed by Kim Hummer and Joseph Postman
USDA/ARS National Clonal Germplasm Repository
Corvallis, Oregon - March 2000

 

Symptoms - Click on the most appropriate description for further information

Cane and Stem Symptoms

Leaf Symptoms

Flower and Fruit Symptoms

Gradual decline of the whole plant

Stems are wilted or dieing back

Stems exhibit extremely abnormal or stunted growth

Canes and shoots have scales on them

Canes lodge over from the crown

Dormant buds of black currants are swollen to big round balls

Dormant buds are "blind" and don't grow out in the spring

 

Leaves are unusually light colored or have yellow spots or flecks

Leaves have fewer jagged edges than normal

Leaves have black spots or black or brown necrotic areas.

Leaves have a white powder covering them

Leaves have yellow or orange powder on them

Leaves have a raised net-like russetting on upper surface

Leaves are curled, rolled, crinkled, or have red bubble-like blisters

Leaves are partially eaten or completely eaten to the midrib

 

Flower buds are smooth and not as hairy as normal

Flowers have 10 sepals instead of the usual five

Flowers turn brown

Fruit have gray splotches or black regions on them.

Fruit falls off the plant before ripening

 

Organism - Click on the pest or problem for photos and descriptions

Fungal Diseases

Virus and Virus-like Diseases

Insects

 

Eriophyid Mites

 

Environment or Physiology

last update 3/21/00

Return to NCGR-Corvallis / Return to Berry Diagnostic Tool