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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Eggplant > Discolored leaves

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Eggplant > Leaves > Discolored leaves

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  • Two-spotted Spider Mite 1
  • Two-spotted Spider Mite 2
  • Two-spotted Spider Mite 3

Two-spotted Spider Mite
Tetranychus urticae

  • Feeding on the underside of leaves causes a "russet" appearance to the leaves; leaves may become distorted
  • In heavy infestations, webbing can be found on underside of leaves
  • Adult spider mites are very small (approximately 1/50 inch in length), and are yellow to dark crimson, with dark spots
  • In heavy infestations, mites can be seen crawling on eggplant fruit
  • Mites usually appear in late June-August; more prevalent in hot, dry weather
  • More information on Two-spotted Spider Mite
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  • Frost Damage/Chilling Injury 1
  • Frost Damage/Chilling Injury 2
  • Frost Damage/Chilling Injury 3

Frost Damage/Chilling Injury

  • Leaves look water-soaked and soft, then turn black
  • Surface of fruit appears bronzed
  • Seeds and inside of fruit are brown
  • Fruit becomes soft water-soaked and rots
  • Leaves show injury immediately, fruit may not show symptoms for 5 to 7 days
  • Eggplant is more sensitive to cold than tomatoes and peppers
3 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
4 of 7
  • Verticillium Wilt 1
  • Verticillium Wilt 2

Verticillium Wilt
Verticillium spp.

  • Leaf edges and tips turn yellow
  • Eventually entire leaves yellow and wilt
  • Symptoms often affect 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
  • More information on growing healthy vegetables
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  • 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 growing healthy vegetables
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  • 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 growing healthy vegetables
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  • Potato Leafhopper  1
  • Potato Leafhopper  2

Potato Leafhopper
Empoasca fabae

  • Leaves appear wrinkled from leafhopper feeding; may have a yellow tinge to the leaves
  • Adults are yellow green, slender, small (1/8 inch long), and wedge-shaped
  • Potato leafhoppers are present from June-August
  • More information on Potato Leafhopper

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