Diseases of Fruit Plantation Medicinal and Aromatic Crops

Line pattern

Causal organism: Plum American line pattern virus.
SYMPTOMS


• Yellow vein banding in part or whole of the leaf lamina.
• Chlorosis of the entire leaf with stunting of plants.
• Some times green stamen petiole show chlorosis.
• Old branches exhibit aerial rotting.
• Chlorotic spots on ripened fruits.

MODE OF SPREAD
Through grafting materials, aphid vectors.
MANAGEMENT


• Use disease free planting materials.
• Exposing planting materials at 37°C for 15-39 days.(Physical method of control)
• Apricot seedlings can be used as resistant root stock against plum line pattern virus.