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Eggplant > Leaves > Discolored leaves

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  • Two-spotted Spider Mite 1

    Credit: Whitney Cranshaw, Colorado State University

  • Two-spotted Spider Mite 2

    Credit: Frank Peairs, Colorado State University, Bugwood.org

  • Two-spotted Spider Mite 3

    Credit: Jeff Hahn, University of Minnesota

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green arrowTwo-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

    Credit: S. Marcotte

  • Frost Damage/Chilling Injury 2

    Credit: Marita Cantwell, UC Davis

  • Frost Damage/Chilling Injury 3

    Credit: Marita Cantwell, UC Davis

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green arrowFrost 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
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  • Phomopsis Blight 1

    Credit: David B. Langston, University of Georgia, Bugwood.org

  • Phomopsis Blight 2

    Credit: Photograph © by Seminis Vegetable Seeds, Inc. and is used by permission. This photograph may not be used or reproduced without the written permission by its respective owner

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green arrowPhomopsis 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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  • Verticillium Wilt 1

    Credit: Robert Wick, University of Massachusetts, Bugwood.org

  • Verticillium Wilt 2

    Credit: Elizabeth Wiggens, University of Minnesota

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green arrowVerticillium 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 Verticillium Wilt...
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  • Virus 1

    Credit: M. Grabowski, Univ. of MN

  • Virus 2

    Credit: M. Grabowski, Univ. of MN

  • Virus 3

    Credit: Photograph © by Seminis Vegetable Seeds, Inc. and is used by permission. This photograph may not be used or reproduced without the written permission by its respective owner

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green arrowVirus
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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  • Phytophthora Blight 1

    Credit: Howard F. Schwartz, Colorado State University, Bugwood.org

  • Phytophthora Blight 2

    Credit: Howard F. Schwartz, Colorado State University, Bugwood.org

  • Phytophthora Blight 3

    Credit: David B. Langston, University of Georgia, Bugwood.org

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green arrowPhytophthora 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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  • Potato Leafhopper 1

    Credit: R. Hazzard, University of Massachusetts

  • Potato Leafhopper 2

    Credit: R. Hazzard, University of Massachusetts

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green arrowPotato 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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