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

Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Tomato > Wilting/drooping leaves

Tomato > Leaves > Wilting/drooping leaves

1 of 6
  • Image: Stalk Borers 1
    Credit: Jeff Hahn
  • Image: Stalk Borers 2

    Credit: Eric Burkness

  • - CLICK PHOTOS TO ENLARGE -

green arrowStalk Borers

  • Damage occurs June to early August
  • Leaves wilt
  • Entrance hole where the caterpillar bores into the stem near ground level
  • Caterpillar can sometimes be found in stem
  • 3/4 to 2 inches long
  • Reddish brown head, brownish purple body with whitish stripes
  • More information on Stalkborers...
2 of 6
  • Image: Aphids 1
    Credit: Dept. of Entomology, University of Minnesota
  • Image: Aphids 2

    Credit: Dept. of Entomology, University of Minnesota

  • - CLICK PHOTOS TO ENLARGE -

green arrowAphids

  • Active during spring and summer
  • Feeding by small or moderate numbers of aphids usually does not cause visible symptoms; feeding by larger numbers of aphids can cause curling, stunting, and wilting of leaves
  • 1/10th inch long
  • Small insects, pear-shaped, usually greenish; clustered on leaves
3 of 6
  • Image: 1

    Credit: FLDPIA, FL Dept. of Ag. and Consumer Services, Bugwood.org

  • Image: 2

    Credit: FLDPIA, FL Dept. of Ag. and Consumer Services, Bugwood.org

  • Image: 3

    Credit: E. Wiggins, University of Minnesota Extension

  • - CLICK PHOTOS TO ENLARGE -

green arrowVerticillium Wilt
Verticillium albo-atrum, Verticillium dahlia

  • A yellow wedge shaped lesion on leaf often with a brown center
  • Leaves yellow and wilt, often one side only
  • Lower leaves wilt first, eventually whole plant wilts
  • In a lengthwise cut of the stem near the soil line, veins are tan, center is green
  • Common in cool temperatures 68° to 75° F
  • More information on Verticillium Wilt...
4 of 6
  • Image: Fusarium Wilt 1
    Credit: Michelle Grabowski
  • Image: Fusarium Wilt 2

    Credit: Michelle Grabowski

  • Image: Fusarium Wilt 3

    Credit: William M. Brown, PDIS Copyright notice

  • - CLICK PHOTOS TO ENLARGE -

green arrowFusarium Wilt
Fusarium oxysporum

  • Problem in heirloom varieties; most modern cultivars are resistant
  • Leaves yellow and wilt, often one side only
  • Lower leaves wilt first, eventually whole plant wilts
  • In a lengthwise cut of the stem near the soil line, veins are brown, center is green
  • Occurs when air and soil temperature are above 80° F
  • More information on Fusarium Wilt...
5 of 6
  • Image: White Mold 1
    Credit: Michelle Grabowski
  • Image: White Mold 2

    Credit: Michelle Grabowski

  • Image: White Mold 3

    Credit: Michelle Grabowski

  • - CLICK PHOTOS TO ENLARGE -

green arrowWhite Mold
Sclerotinia sclerotiorum

  • Dark, firm water-soaked lesion on stem
  • Girdled stems die and turn bone white
  • Inside dead stems are black mouse poop shaped sclerotia
  • Fruit are soft and rotted
  • Cottony white mycelia inside and outside infected stems when humidity is high
  • Favored by cool humid conditions
  • More information on White Mold...
6 of 6
  • Image: Cold injury 1
    Credit: Sue Morris
  • Image: Cold injury 2

    Credit: Sue Morris

  • - CLICK PHOTOS TO ENLARGE -

green arrowCold injury

  • Leaves look water-soaked and soft, then turn black
  • Fruit becomes soft water-soaked and rots
  • Leaves show injury immediately, fruit may not show symptoms for 5 to 7 days
  • Occurs at temperatures below 50° F

Don't see what you're looking for?

  • © 2014 Regents of the University of Minnesota. All rights reserved.
  • The University of Minnesota is an equal opportunity educator and employer. Privacy