Blight
If anyone gets a Blight problem with their potatoes or tomatoes, I have just found out there is a website where you can sign up to "Blightwatch."
You can sign up and then you receive alerts when blight is likely to strike in your area.
It uses weather data from the Met Office to predict outbreaks and is apparently highly accurate.
Here's the address if anyone's interested.:
www.blightwatch.co.uk