Papaya Diseases
Ring Spot
Symptoms
- Vein clearing, puckering and chlorophyll leaf tissues lobbing in.
- Margin and distal parts of leaves roll downward and inwards, mosaic mottling, dark green blisters, leaf distortion which result in shoe string system and stunting of plants.
- On fruits circular concentric rings are produced.If affected earlier no fruit formation.
- Vectored by aphids Aphis gossypii, A. craccivora and also spreads to cucurbits not through seeds.
Management
- Raise papaya seedlings under insect-proof conditions.
- Plant disease free seedlings.
- Raise sorghum / maize as barrier crop before planting papaya.
- Rogue out affected plants immediately on noticing symptoms.
- Donot raise cucurbits around the field.
