Brown spots on potato leaves

**martini** · 01-11-2006, 10:35 PM

Could it be a bit of frost damage Dexter since last night we had our first frost

Have turned up the heating and covered the windscreen - the upside is at least it won't rain for a while.

**Earthbabe** · 01-11-2006, 11:28 PM

You could try spraying with an infusion of mares tail or bordeaux mixture as a precaution DDL. Hope it isn't the dreaded blight but better safe than sorry.

**rustylady** · 01-11-2006, 11:31 PM

Blight usually arrives with warm damp weather. This time of the year it's more likely to be wind or frost damage. Are the plants outside or inside?

**dexterdoglancashire** · 02-11-2006, 06:56 AM

They are my christmas tatties outside RL. Thanks for the advice - yes it could be frost as we had a slight frost on tuesday night - and an even worse one last night, and even colder to come tonight.

DDL

**ugly gourd** · 02-11-2006, 08:23 AM

I agree I think it could be frost if blight the leaves stay firm if frost they will go black and floppy!!

**SueA** · 02-11-2006, 04:24 PM

Hi DDL, are your potatoes in a container outside? If they are I'd wrap some fleece around the container & over the top to stop the frost getting at them, I wrapped a fleece bag over mine yesterday, you could earth them up a bit also to protect the leaves.

**dexterdoglancashire** · 02-11-2006, 05:39 PM

Thanks for your advice! Just got home and looked at my tatties! Poor things! all shrivelled up and frozen! (the leaves, not the actual spuds!) Guess the spots were frost damage - so have just spent half an hour running round like a headless chicken covering them with the fleece I got off ebay - should've done it yesterday, but boy! am I learning - and quick!

DDL

**ugly gourd** · 02-11-2006, 07:20 PM

Isnt all gardening trial and error if the weather dont get you the bugs do !! How do we ever get any produce!!

**dexterdoglancashire** · 02-11-2006, 10:34 PM

Thanks UG! I feel really stupid for not covering my spuds last night - was so concerned about getting the new heater working in the greenhouse, I (silly me!) thought the spuds would be OK!

live and learn as we go! DDL

**Earthbabe** · 02-11-2006, 11:20 PM

I hope the spuds pick up ok DDL.

**dexterdoglancashire** · 03-11-2006, 05:15 PM

Thanks EB! They are still covered and I havent had a peep - mind you, it's too dark now! Will have a look tomorrow - have read that tatties do pick up after frost - so fingers crossed!

DDL

**Palustris** · 03-11-2006, 08:53 PM

If they do survive and for those with them inside, Blight is a major problem with Xmas potatoes. You really do need to spray even before there are any symptoms. We always used Copper sulphate rather than any modern chemical like Hessayon says. Most decent Garden centres used to sell it, but who knows these days!

**dexterdoglancashire** · 04-11-2006, 07:20 AM

Thanks for that P. I hadnt realised that blight was a problem with christmas potatoes. will have a look in the garden centre today! Thanks! DDL

**dexterdoglancashire** · 04-11-2006, 12:01 PM

Managed to get some P! Will be spraying this afternoon. Have also got a bale of straw to spread over as well to provide some protection. Many thanks for the advice. DDL PS read up on t'internet about the stuff recommended in dr H's book - blimey! wouldnt want that stuff anywhere near anything I was going to eat!

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Brown spots on potato leaves

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