| Phytophthora blight causing plants to wilt and die | Phytophthora blight – crown rot | Phytophthora crown rot. Note the blackish-brown necrotic tissue at base of the stem |
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| Phytophthora sporulating on infected bell pepper fruit. | Phytophthora fruit rot (L) and Pythium blight (R) | Symptoms of Phytophthora blight on infected leaves. Under ideal conditions leaf infections can occur. |
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| Anthracnose fruit rot | Anthracnose fruit rot. Note the salmon colored spores being produced in the lesion of the lesion. | Sunscald on pepper fruit (L) and Anthracnose fruit rot (R) |
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| Bacterial leaf spot on leaves | Bacterial leaf spot. Note the infected leaves falling off of plant. | Bacterial leaf spot infection of pepper fruit. Note the irregular raised scabby spots on fruit. |
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| Southern blight on infected stem. Note the numerous small fruiting bodies (sclerotia) developing on the stem | White mold infecting pepper stem. Infected stems come brittle and hollow | White mold sclerotia present on inside of infected stem |
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| Blossom end rot | Cucumber Mosaic Virus | Cyclamen mite feeding injury. Symptoms resemble virus infection |
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| Others: | ||
| Mefenoxam injury on a young pepper transplant | Sunscald on stems of pepper recently transplanted into black plastic mulch. | Cyclamen mite damage on immature pepper fruit |
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| “Silvering” on mature bell pepper fruit. | “Silvering” on the right and thrips feeding injury on the Left | Edema on pepper fruit |
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Andy Wyenandt, Wesley Kline, and Kris Holmstrom
