Viral disease
Tomato Yellow Leaf Curl Virus
A virus spread by whiteflies that makes tomato leaves small, curled and yellow and stops the plant setting fruit. There is no cure.
Symptoms
- Leaves curling upwards and cupping
- Yellow leaf edges and small, crumpled new leaves
- Stunted plants and flowers dropping without setting fruit
What causes it
The virus is carried from plant to plant by whiteflies.
What you can do
- Remove and bin infected plants.
- Control whiteflies with yellow sticky traps and insect mesh.
- Grow resistant varieties.
Not sure it's yellow leaf curl virus?
Photograph one affected leaf and Plantulus will suggest the most likely problem, with a confidence score. It's free and needs no sign-up.
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General guidance only, not a diagnosis. Check product labels and local rules before using any treatment, and ask a horticultural specialist if a valuable plant is struggling. See the disclaimer.