Symptoms:
Small yellow or brown spots with grey or white centers and dark margins appear on leaves. This leads to leaf yellowing and eventual leaf drop.
Chemical & Dosage(per acre):
Chlorothalonil @ 200 lit/acre -Kavach Mancozeb @ 0.1/lit water (use as per label dosage)-Sprint
Mode of Application:
Foliar spray. Apply preventively or at the first sign of symptoms for effective management.
Symptoms:
Small, water-soaked lesions on fruit that expand and become sunken, tan to black, with salmon-colored spores.
Chemical & Dosage (per acre):
Carbendazim 50% WP @ 400 g/acre – Bavistin
Mode of Application:
Foliar spray.
Symptoms:
Patchy white powdery growth on leaves, premature leaf drop, and sunscald on exposed fruit.
Chemical & Dosage (per acre):
Sulphur 80% WP @ 2 kg/acre – Sultaf, Cosavet
Mode of Application:
Foliar spray.
Symptoms:
Seedlings fail to emerge or collapse after sprouting; lower stem browning, soft or collapsed stems, and brown spots on leaves.
Chemical & Dosage (per acre):
Metalaxyl 35% WS @ 3 g/kg seed (seed treatment) – Apron, Ridomil
Mode of Application:
Seed treatment.
Symptoms:
Water-soaked stem lesions, yellowing and wilting, root and fruit rot, and plant death.
Chemical & Dosage (per acre):
Metalaxyl 8% + Mancozeb 64% WP @ 2 kg/acre – Ridomil Gold
Mode of Application:
Soil drench or foliar spray.
Symptoms:
Severe leaf curling, mosaic, and mottling, stunted plants, and distorted leaves.
Chemical & Dosage (per acre):
Imidacloprid 17.8% SL @ 0.5 ml/lit (for vector control) – Confidor
Mode of Application:
Foliar spray.
Symptoms:
Leaves become blistered and mottled, with dark spots. Leaves point downwards, and plants show stunted growth.
Chemical & Dosage (per acre):
No direct cure; remove infected plants and control vectors.
Thiamethoxam 12.6% + Lambda-cyhalothrin 9.5% ZC @ 0.3 ml/lit of water – Alika
Mode of Application:
Foliar spray.
Disease Management Notes:
Bacterial Leaf Spot: Remove infected parts; use certified seeds; apply copper fungicides as foliar spray.
Anthracnose: Remove diseased fruit; use healthy seeds; apply fungicide if severe.
Powdery Mildew: Improve ventilation; remove infected leaves; apply sulphur-based fungicide if needed.
Damping Off: Avoid overwatering; use clean soil; treat seeds with metalaxyl.
Phytophthora Blight: Ensure good drainage; avoid waterlogging; use metalaxyl + mancozeb as soil drench or foliar spray.
Chilli Leaf Curl Virus & Mosaic Virus: Control whitefly with insecticides; remove and destroy infected plants; no chemical cure for virus.
Application Guidelines:
Foliar sprays are commonly used for fungal and bacterial diseases.
Seed treatment is essential for damping off.
Soil drench is effective for soil-borne diseases like Phytophthora.