Potato Leafroll Virus
Polerovirus sp.
Potatoviral
An aphid-transmitted virus causing upward leaf rolling and internal tuber discoloration.
Symptoms
Upward rolling of lower leaves first, stunting, and net-like necrosis inside affected tubers.
Favorable conditions
- •Aphid vector activity
- •Infected seed potatoes
Management
- 1Use certified virus-free seed potatoes
- 2Control aphid vectors
- 3Rogue infected plants promptly
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