For fruit borer, set up pheromone traps for Helicoverpa armigera and Spodoptera litura at 12 per hectare, collect and destroy damaged fruits and grown-up caterpillars, and spray Bacillus thuringiensis at 2 g per litre. For thrips, grow agathi as an intercrop.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Chilli – Plant protection (Fruit borer, thrips), pp. 75–76
Region
Tamil Nadu
Last updated
2026-11-04
Chilli mosaic (virus)
Raise two rows of maize or sorghum for every five rows of chilli crop, against the wind direction.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Chilli – Diseases (Chilli mosaic), p. 77
Region
Tamil Nadu
Last updated
2026-11-04
Damping off (nursery)
Treat seeds with Trichoderma asperellum at 4 g/kg or Pseudomonas fluorescens at 10 g/kg 24 hours before sowing. Apply P. fluorescens to the soil at 2.5 kg/ha with 50 kg of FYM, and avoid water stagnation.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Chilli – Diseases (Damping off), p. 77
Region
Tamil Nadu
Last updated
2026-11-04
Powdery mildew, die-back and fruit rot
Powdery mildew: spray wettable sulphur at 3 g per litre (or carbendazim at 1 g per litre) three times at 15-day intervals from the first appearance of symptoms. Die-back and fruit rot: spray mancozeb at 2 g per litre or copper oxychloride at 2.5 g per litre three times at 15-day intervals, starting when die-back symptoms are noticed.
Follow the instructions on the product label. Consult your local Agriculture Officer before use.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Chilli – Diseases (Powdery mildew; die-back and fruit rot), p. 77
Region
Tamil Nadu
Last updated
2026-11-04
Chemical pesticides: ask before you spray
The source lists many insecticides and acaricides for fruit borer, thrips, aphids and mites. Many are hazardous, and some may be restricted. Choose a product only with your local Agriculture Officer.
Follow the instructions on the product label. Consult your local Agriculture Officer before use.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Chilli – Plant protection, pp. 75–77