Chilli

Chilli — 6Pests & diseases

  • Fruit borer and thrips: non-chemical measures

    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
    Region
    Tamil Nadu
    Last updated
    2026-11-04