Is this early season blight?

[Philbasford]

My new spuds seem of to have got blight in one bed!, the whole lot of them!.  The main crop seem ok (fingers crossed).  Shall i remove all the tops of  affected ones?

[Philbasford]

[daveyboi]

I had this problem with one row of earlies and the general consensus was it is not blight see this topic

http://www.allotments4all.co.uk/smf/index.php/topic,51356.msg525926.html#msg525926

[Philbasford]

Thanks, am starting to think it is spot blight that effects early varieties when the is hot weather about

[daveyboi]

What variety is it? I planted two early varieties and only one is effected and for some strange reason I am not sure which is which as I normally take great care to note these things for my blog.

My varieties were Epicure and Swift.

[Philbasford]

Its rocket

[amphibian]

My Mimi are like this, I don't think it's blight.

[Tattieman]

I would say it is a shortage of magnesium. Buy some epsom salt from the chemist and apply it at night with the watering can.

[Kepouros]

It`s not blight, but a physiological disorder due to uneven take-up of minerals.  It could just as easily have been caused by not enough rain, too much rain, too hot, too dry - normal english weather in fact.  Leave them alone and it`ll probably right itself, but it looks like a (probably temporary) magnesium deficiency and epsom salts in moderation certainly won`t do any harm.  However, I certainly wouldn`t water them at night - particularly on a warm evening - that`s an open invitation to blight.