Tomato

Solanum lycopersicum

Vegetable
Tomato

Overview

Tomato is a major vegetable crop grown for fresh consumption and processing. It can be grown year-round in suitable climates.

Common Pests

Tomato Fruit Borer (Helicoverpa armigera)

Symptoms:

Circular entry holes in fruits; larvae feeding inside; secondary rot follows caterpillar damage.

Whitefly (Bemisia tabaci)

Symptoms:

Yellowing of leaves; sooty mold; primary vector of tomato leaf curl virus causing 100% crop loss.

Common Diseases

Tomato Leaf Curl Virus (ToLCV)

Symptoms:

Severe upward curling of leaves; small brittle leaf size; stunted bushy plants; zero fruit set.

Treatment:

Remove infected plants immediately; apply neem oil spray to control whitefly.

Early Blight (Alternaria solani)

Symptoms:

Brown spots with concentric ring pattern on older leaves; yellowing around spots; defoliation.

Treatment:

Apply neem oil-based organic fungicide; remove infected leaves promptly.

Late Blight (Phytophthora infestans)

Symptoms:

Water-soaked lesions on leaves turning dark brown; white sporulation on undersides; fruit rot.

Treatment:

Apply copper-based organic fungicide at first symptom; remove infected plant material.

Soil Requirements

Soil Type Well-drained loamy, Sandy loam
Optimum pH 6.0–7.0
Tomato requires well-drained, fertile loamy soil rich in organic matter. Avoid waterlogged and compacted soils. Add well-composted organic matter to improve water retention and nutrient availability.