Diseases of Fruit Plantation Medicinal and Aromatic Crops

Necrotic leaf spot

Causal organism: Necrotic leaf spot virus (NLSV)
Symptoms

• Initially ring- spots are observed on the leaves which later become necrotic.
• Necrotic tissues later fall down leaving holes in the leaves.
Mode of spread
• Virus transmits through grafting.
Management

• Use of disease free planting material.
• Exposing the planting material to 37°C for 15- 39 days.
• Apricot seedling can be used as a resistant root stock.
• Removal of host plant