Skip to Left navigation Skip to Main content Skip to Footer

University of Minnesota Extension
www.extension.umn.edu
612-624-1222

Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Ribes > Leaves fall off prematurely

Print Icon Email Icon Share Icon

Ribes > Leaves > Leaves fall off prematurely

1 of 2
  • Image: 1
  • Image: 2
  • Image: 2

White Pine Blister Rust
Cronartium ribicola

  • Light yellow angular leaf spots on upper leaf surface
  • Hair like orange spore producing structures on lower leaf surfaces
  • Powdery orange spores may be present
  • In highly susceptible varieties infected leaves may drop
  • More information on White Pine Blister Rust
2 of 2
  • Image: 1
  • Image: 2
  • Image: 2

Mycosphaerella leaf spot
Mycosphaerella ribis (Septoria ribis)

  • Small, irregular brown spots with gray centers on leaves
  • Leaves turn yellow, brown and then drop prematurely
  • Symptoms often occur on bottom of plant first

Don't see what you're looking for?

© Regents of the University of Minnesota. All rights reserved. The University of Minnesota is an equal opportunity educator and employer.