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