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
