Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Pepper > Leaves wilt
Pepper > Leaves > Leaves wilt
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Verticillium Wilt
Verticillium albo-atrum, Verticillium dahlia
- Leaves yellow and wilt, often one side only
- A yellow wedge shaped lesion on leaf often with a brown center
- 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
- Common in cool temperatures 68° to 75° F
- More information on Verticillium Wilt
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Phytophthora Blight
Phytophthora capsici
- Entire plant wilts and turns brown
- Soft 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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Aphids
Myzus persicae, Aphis gossypii
- Aphids feed on leaves, large numbers can result in yellowing and wilting
- Small (1/6 – 1/8 inch) soft bodied insects
- Aphids are present throughout the growing season
- More information on Aphids
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Frost damage/chilling injury
- Plant is wilted
- Inside of pepper is brown
- Entire leaves, young shoots or the entire plant may be completely discolored and wilted
