Cercospora leaf spot is a fungal disease that affects a wide range of plants, including vegetables, fruits, and ornamentals. It is caused by several different species of fungi in the genus Cercospora, which produce spores that can spread through the air or on water droplets.
- Type of Infestation: Fungal Disease
- Common Name: Cercospora Leaf Spot
- Causal Organism: Cercospora capsici
- Affected Parts Of the plant: leaf
Environmental favorable factors for Cercospora Leaf Spot in Chilli:
- Warm, humid weather
- Poor air circulation
- Excessive irrigation
- Nitrogen deficiency
Symptoms of Cercospora Leaf Spot in Chilli
- 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. Cercospora leaf spot is a fungal disease caused by Cercospora capsici, leading to significant crop losses in chilli.
Q. How to identify symptoms of Cercospora leaf spot in chilli?
A. Look for circular spots with brown edges and grey centres on leaves. In severecases, leaves may turn yellow and fall prematurely.
Q. What are effective control measures for Cercospora leaf spot?
A. Use fungicides like Propineb and Carbendazim + Mancozeb for effective management of cercospora leaf spot in your chilli crops.
Q. What environmental conditions promote Cercospora leaf spot?
A. Warm, humid weather, poor air circulation, and excessive irrigation create ideal conditions for the spread of this chilli disease.
Q. How can I prevent Cercospora leaf spots in my chilli plants?
A. To prevent cercospora leaf spot, maintain good airflow, avoid overcrowding, and apply preventive fungicides during humid conditions.
