Anthracnose is a fungal disease that affects pepper plants, causing dark spots on the leaves and fruits. This article from the “WORLD OF PLANTS” website provides a look at the symptoms of infection and methods of preventing and effective control of anthracnose on pepper plants.
Causes of anthracnose on pepper plants
Disease name: Anthracnose on pepper plant
Scientific name: Colletotrichum acutatum
Type of disease: fungal
Disease family: Glomerellaceae
The fungus Colletotrichum acutatum attacks pepper plants at all stages of growth and even after harvest. The fungus also lives on the remains of dead plants.
Symptoms of anthracnose on pepper plants
Symptoms begin to appear on the leaves, where gray spots appear on the edges of the leaves and stems, and brown lesions appear on the pepper fruits.
Development cycle of anthracnose on pepper plants
The fungus is transmitted through rain spray and irrigation water, which carries fungal spores from infected soil or plant debris to infect pepper plants. It can also be transmitted through seedlings.
Suitable conditions for the spread of anthracnose on pepper plants
The fungus needs high humidity and temperatures ranging between (23-27) degrees Celsius, and humidity also increases the severity of the infection as a result of rainfall.
Losses resulting from the spread of anthracnose on pepper plants
Anthracnose disease causes huge losses in the crop as it directly affects the fruits, reducing the quantity and quality of production.
Controlling anthracnose on pepper plants
- Spraying fungicides containing copper or mancosite.
- Avoid watering with sprinklers because humidity increases the severity of the infestation.
- Getting rid of weeds and dead plant remains in the field to eliminate sources of disease.
- Remove dead infected plants.
Preventive measures for anthracnose on pepper plants
- Good soil fertilization helps improve plant resistance to disease.
- Ensure that the seedlings are free of disease before planting them.
- Sterilize agricultural tools before use.
- Use a good and balanced irrigation and drainage system.
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Sources:
Pepper anthracnose – plantix
Anthracnose of Pepper – N.C. Cooperative Extension
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