Skip to Main navigation 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? > Vegetable > Sweet corn > Stunted plant

Print Icon Email Icon Share Icon

Sweet corn > Whole plant > Stunted plant

1 of 5
  • Image: Aphid 1
  • Image: Aphid 2
  • Image: Aphid 3

Nitrogen Deficiency

2 of 5
  • Image: Aphid 1
  • Image: Aphid 2

Potassium Deficiency

3 of 5
  • Image: Aphid 1
  • - CLICK PHOTO TO ENLARGE -

Phosphorus Deficiency

4 of 5
  • Image: Fusarium Wilt 1
  • Image: Fusarium Wilt 2

Virus
Dwarf mosaic and maize chlorotic dwarf

  • Leaves have light and dark green mottling or streaks
  • Infected plants are stunted and may produce many tillers
  • Plants may not produce an ear, or ear is poorly developed
  • More information on Virus...
5 of 5
  • Image: Aphid 1
  • Image: Aphid 2

Stewart's Wilt
Pantoea stewartii

  • Plants infected early in the season wilt, remain stunted, and may die
  • Plants infected late season have pale-green to yellow streaks with wavy edges run parallel to the leaf veins
  • Older leaves may have scorched brown edges
  • Cut stalks exude a yellow sticky bacterial slime
  • Occurs rarely in Minnesota
  • More information on Stewart's Wilt...

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. Privacy