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Should I change the soil in my polytunnel to stop my tomatoes getting blight?

Our Advice:

Both potato and tomato blight are airborne diseases, so changing the soil is unlikely to help. Try blight resistant varieties such as 'Firline' and 'Legend' (indoors) or 'Lizzano' and 'Losetto' (outdoors). Spray with Disease Control for Fruit and Veg from Bayer as soon as any signs of disease are spotted.

Gardening Expert: Steve Bradley

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