Blight?!
We had been warned of possible Blight conditions on last Sat and the optimum day for spraying was thurs but as we had a yellow weather alert for up to 30 mls of rain on fri that did not seem to be a good idea. I bought the mix for Bluestone, which is what is in the off the shelf spray Bordeaux mixture which is a recommended organic remedy. Ravenscourt garden centre supplies the ingredients ( Washing crystals & the blue Copper sulphate) and the mix ratio, it suited me as we only have a small amount of potatoes and of them only the Pink Fir Apple are not Blight resistant. The rain stopped on fri evening and I thought I would go out and spray as the weather had turned humid and misty, ideal blight conditions. I was stopped in my tracks as soon as I reached the plot as the leaves on the Sarpo Axona were discoloured and seemed to be getting worse as I was looking at them! The worst affected were at the right hand side of the potato patch, a few were affe...