Blight is running riot in our allotments - OX27... Organic and non-organic alike, we have all been affected

I have sadly today destroyed 12 Ferline F1 tomato plants as blight is running riot through our allotment and my back garden in Oxfordshire for the second year running. I am trying to protect the Bejbino plants as much as possible but I think they have had it too. The Ferline F1 plants were monsters ...