Peppers - Phytophthora Blight
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Phytophthora
Blight
(fungus - Phytophthora capsici): The lower stem adjacent to the soil becomes
brown [Picture]. However, a direct application
of nitrogen fertilizer to the stems of transplants may cause similar symptoms
[Picture]. The rotting of the stem results
in wilting [Picture]. However, flooding
of the roots for long periods of time can also cause wilting [Picture].
The
fungus is soilborne, but splashing water can spread the fungus to above-ground
portions of the plant, including fruit. Planting on a raised bed and avoiding
excessive moisture through proper irrigation management will reduce the disease.