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Cornell College of Agriculture and Life SciencesCornell University
Berry Diagnostic Tool
Find out what's wrong with your berry plants
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Raspberries
HomeRaspberries

Raspberries

What symptoms do you see?

Whole plants

  • Gradual decline in plant vigor

Canes and/or laterals

  • Canes, fruiting laterals, or tips are wilting and collapsing
  • Canes are unusually colored, spotted, or necrotic

Leaves

  • Leaves are unusually colored, spotted, or necrotic
  • Leaves are curled, rolled, or crinkled
  • Leaves are physically damaged (chewed, holes, etc.)

Flowers

  • Flower buds turn brown prior to opening
  • Flowers or buds are physically damaged (cut buds, chewed, holes, etc.)

Fruit

  • Fruit is small, deformed, or crumbly
  • Fruit is rotting prior to harvest
  • Individual drupelets are white
  • Fruit is physically damaged (chewed, holes, etc.)
  • Premature softening and wrinkling before berries are fully ripe. Small holes may be visible sometimes with small breathing tubes. Sap may ooze out of these holes. Small larvae are found inside berries.

Solutions

Use these resources if you need additional help with diagnosis and to find solutions to your problem.

Visit the Cornell Fruit Resources: Berries website

The Berry Diagnostic Tool
was developed by:

Marvin Pritts, Professor
Horticulture Section
School of Integrative Plant Science
mpp3@cornell.edu

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