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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Eggplant > Discoloration on stems

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Eggplant > Stem > Discoloration on stems

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  • White Mold 1
  • White Mold 2
  • White Mold 3

White Mold
Sclerotinia sclerotiorum

  • Dark, firm water soaked lesion on stem
  • Girdled stems die and turn bone white
  • Inside dead stems are black mouse poop like 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...
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  • Image: 1
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Phomopsis Blight
Phomopsis vexans

  • Stems develop dark sunken lesions just above the soil line
  • Seedlings may collapse and die
  • Leaves develop circular, gray to brown lesions with a light center
  • Severely infected leaves become torn, yellow, wilt and drop
  • Fruit develops pale, sunken, oval spots
  • Concentric rings of tiny black dots can be seen in fruit infection
  • More information on Phomopsis Blight...
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  • Image: 1
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Phytophthora Blight
Phytophthora capsici and Phytophthora parasitica

  • Entire plant wilts and turns brown
  • Soft, dark, water soaked spots form on fruit
  • Water soaked to tan bleached spots may form on leaves
  • Fruit wither but remain attached and become coated in white fungal growth
  • Dark sunken spots form on stems, all leaves beyond this spot wilt
  • Disease spreads very rapidly in cool wet weather
  • More information on Phytophthora Blight...

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