Cercospora leaf spot is a common fungal disease in chilli crops that can significantly impact yield and quality. The disease affects leaves, stems, and sometimes fruits, reducing the plant's ability to photosynthesize.
- Type of Infestation: Fungal Disease
- Common Name: Cercospora Leaf Spot
- Causal Organism: Cercospora capsici
- Affected Parts Of the plant: leaf
Environmental favorable factors for pests/Diseases:
- Warm, humid weather
- Poor air circulation
- Excessive irrigation
- Nitrogen deficiency
Symptoms of Pest/Disease:
- Circular spots with brown margins and grey centers appear on leaves.
- The spots enlarge and coalesce with others, eventually covering the entire leaf.
- The central portion of the spot may drop out, leaving a "shot-hole" appearance.
- Leaves may turn yellow and fall prematurely.
- In severe cases, the fungus can also infect stems and fruits.
Measures to control Pests/Diseases:
Products |
Technical Names |
Dosages |
Propineb 70% WP |
600-800gm/arce |
|
Carbendazim 12 % + Mancozeb 63 % WP |
300-400gm/acre |
|
Metalaxyl-M 3.3% + Chlorothalonil 33.1% SC |
300-400 ml/acre |
|
Mancozeb 75% WP |
500gm/Acre |
Frequently Asked Questions
Q. What is Cercospora leaf spot in chilli?
A. It is a fungal disease that affects the leaves of chilli plants and negatively impacts yield.
Q. What are the symptoms of Cercospora Leaf Spot?
A. Circular spots with brown edges and centers appear on leaves, and leaves fall prematurely.
Q. Which products are effective for controlling Cercospora Leaf Spot?
A. Products like propi, samartha, Dr Blight, and KZEB are effective
Q. How often should treatment be applied for Cercospora Leaf Spot?
A. It depends on the weather and severity of the infection, but generally, 2-3 applications are needed.
Q. What are the ideal environmental conditions for Cercospora Leaf Spot?
A. Warm, humid weather, poor air circulation, and excessive irrigation are ideal conditions for the spread of this disease.
For more information about pests and diseases, read our other blogs.