Fusarium Crown & Root Rot

Fusarium Crown & Root Rot - image 1

Causal Agent:

Fusarium oxysporum f. spp.

Susceptible Crops:

Affects all turfgrass, Aster, Astilbe, Begonia, Carnation, Chrysanthemum, Cyclamen, Dahlia, Dianthus, Eggplant, Gladiolus, Lily, Liriope, Palm, Peppers, Tomatoes, Tulip

Symptoms:

  • Leaves turn yellow and may have a scorched appearance
  • Brown, lesions or streaks may appear on the lower part of the stem
  • Lower stem may be girdled
  • Rotted and discolored roots
  • Reddish- brown discoloration of the vascular tissue can be seen when the stem is cut lengthwise
  • Affected plants may display a “one-sided wilt” with the foliage being light green in color
  • Wilting from the bottom up
  • Reddish-brown discoloration of the vascular tissue can be seen when the lower stem is cut lengthwise
  • Roots may be discolored
Fusarium Crown & Root Rot - image 2
Fusarium Crown & Root Rot - image 3