• Light and dark green mottling on leaves
• Wilting of young leaves
• Leaflets distorted and puckered
• Fern leaf symptoms
• Stunted growth .

Shoe String Symptom

Causal organism: Tomato Mosaic Virus

• Tomato Mosaic Virus

Survival and Mode of Spread

Survival : Infected debris

• Infected debris

Primary spread: In infected debris

• In infected debris

Secondary spread: Contact with clothes, hand of labourers and implements

• Contact with clothes, hand of labourers and implements

Favourable conditions Temperature, day length and light intensity, variety, age of the plant at infection and the virulence of the strain of CMV.

• Temperature, day length and light intensity, variety, age of the plant at infection and the virulence of the strain of CMV.

Integrated Disease Management

• Disease free seeds
• Removal of infected plants
• Crop rotation

Source of Information

• https:www.apsnet.org.
• Crop production guide – Horticulture 2020

Acknowledgement

• Dr.P.Renukadevi, Professor, Department of Plant Pathology, TNAU, Coimbatore.