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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Eggplant > Spots/blotches on fruit

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Eggplant > Spots or rot on fruit

1 of 7
  • Blossom End Rot 1
  • Blossom End Rot 2

Blossom End Rot

  • The side or bottom of the eggplant turns tan and soft, then black and sunken
  • Affects only fruit
  • Secondary rot from fungi or bacteria may occur on affected fruit
  • Fruit may look short or stumpy, not fully expanded
  • Common when water levels vary from irrigation or drought followed by rain
  • More information on Blossom End Rot...
2 of 7
  • Suncald 1


  • Generally only a problem on fruit
  • Occurs only on tissue exposed to the sun
  • Fruit turns tan or white on exposed side, may dry out and appear wrinkled
  • More information on Suncald...
3 of 7
  • Anthracnose 1
  • Anthracnose 2

Colletotrichum coccodes

  • Fruit spots are sunken and round
  • Infections are visible only on ripe and over ripe eggplant
  • Fruit spots are sunken and round
  • Rings of small black dots can be seen inside fruit spots, eventually the entire spot turns black
  • Fruit spots produce salmon pink spores with moisture
  • No visible spots on leaves and stems
  • More information on Anthracnose...
4 of 7
  • 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...
5 of 7
  • Phomopsis Blight 1
  • Phomopsis Blight 2

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...
6 of 7
  • Phytophthora Blight  1
  • Phytophthora Blight  2
  • Phytophthora Blight  3

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 ...
7 of 7
  • Virus 1
  • Virus 2
  • Virus 3

Cucumber mosaic virus and others

  • Leaves are mottled with yellow and light green patches
  • Leaves are misshapen; unusually long and thin like a shoestring or curled and deformed
  • Fruit have yellow blotches or brown rings
  • Plants may be stunted
  • More information on Virus...

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