White mold on sweet pepper plants: symptoms, causes, control

White mold is a fungal disease that causes parts of the sweet pepper plant to rot, leading to crop damage. This article from the “WORLD OF PLANTS” website provides a look at the causes of white mold disease on sweet pepper plants and methods of prevention and control.

Causes of white mold disease on pepper plants

• Disease name: White mold on sweet pepper plant
• Scientific name: Sclerotinia Sclerotiorum
• Type of disease: fungal
• Disease family: Sclerotiniaceae

The field fungus attacks sweet pepper through various means, directly infecting the basal area of ​​the stem, and the fungus may remain dormant for 5 to 7 years in the soil.

Symptoms of white mold disease on pepper plants

The fungus covers the stem of the sweet pepper plant, which becomes white or light grey. The infection progresses and the stem changes color to black. Therefore, part of the stem dies, causing the parts that the stem bears to wither and die, due to the lack of food reaching the affected area, and also leads to rotting of the fruits.

Development cycle of white mold disease on pepper plants

Infection occurs on wet plant surfaces for 48-72 continuous hours, as the fungus is transmitted to pepper plants through wind or rain, or through contamination of agricultural tools.

Suitable conditions for the spread of white mold disease on pepper plants

If appropriate conditions are available, the fungus spreads quickly over parts of the pepper plant and the rest of the crop, causing the stem and fruits to rot, which poses damage to the quantity and quality of production.

Losses resulting from the spread of white mold disease on pepper plants

If appropriate conditions are available, the fungus spreads quickly over parts of the pepper plant and the rest of the crop, causing the stem and fruits to rot, which poses damage to the quantity and quality of production.

Controlling white mold disease on pepper plants

1. Getting rid of infected parts or plants before the disease spreads to the crop.
2. Spraying the crop with a fungicide containing azoxystrobin.
3. Use of copper fungicides.

Preventive measures for white mold disease on pepper plants

1. Plowing the field helps get rid of fungi in the soil.
2. Use drip irrigation.
3. Sterilize agricultural tools before use.
4. Monitor the crop constantly, especially when suitable conditions are available for mushroom growth.

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Sources:

THE PUBLICATION YOU REQUESTED IS NO LONGER AVAILABLE ON EDIS. – University of Florida, Institute of Food and Agricultural Sciences