blight

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mel corbould
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What a disaster!! All my tomato plants effected in just 48 hours. AND in the greenhouse too! My aubergine plants next door are looking very blotchy but the peppers seem okay. I thought it just effected pots and toms. Is anything immune or do I dispair now for all my lovely late summer fruits?
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Johnboy
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Hi Mel,
Sadly Potatoes, Tomatoes, Aubergines and Peppers are all of the same family and share the diseases.
Aubergines and Peppers not normally to the same extent but they are all at risk from blight.
It's am absolute bummer when this happens!
I feel so sorry for you but there is nothing anybody can do to help you.
JB.
mel corbould
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thanks for getting back to me. I am on my way down to the bonfire with a wheelbarrow piled high with my treasured plants as the aubergines have clearly been effected overnight.

If I give the greenhouse a huge washover with jeyes, do you reckon it will be okay for next years crops or as blight is airborn do you think it will hang around? It is all rather gloomy.
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Johnboy
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Hi Mel,
The originator of blight is the potato which hosts the mycelium over winter and really as soon as the potatoes in the area get blight the spores become airborne and sadly take no prisoners with plants of the same family in the vicinity. You may not have even grown potatoes but somebody in your area does.
There is really no advice I can give that could assure that it could happen again and again. The only exception to that is if you know the person with blight on their potatoes to ask them, after explaining the situation to spray against blight in the future. You can do this yourself and with good effect but you will always be in jeopardy.
It would be best practice to get rid of every trace of blighted material and a wash-down with Jeyes Fluid is, I would think, probably the best thing you can do.
Sincerely,
JB.
mel corbould
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Hello JB,

many thanks. I have never had trouble with blight before but did plant potatoes from Dobies myself this year for the first time. They developed problems almost as soon as they emerged from the ground and within hours literally, i had pulled them all up and burned them. The complete devastation has really amazed me! It's like Liam O'Flaherty's novel Famine although of course, my family will not starve because of the lack of aubergines in their diet!! I shall sieve the ground where all plants were and shower the whole area in Jeyes and hope for the best......although no potatoes EVER AGAIN.....

all the best
Mel
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Johnboy
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Hi Mel,
I have 80 acres of Potatoes growing right next to me this year and they have been sprayed 6 times. There has been absolutely no evidence of blight in this crop and I filched a few this morning and they are really superb. They are also very large spuds and this is really because of the amount of water we have endured this year. When they cut the haulm they always disturb some at the end of the row and they would go green before they are lifted is my excuse for what amounts to downright theft!
If you lifted your spuds just after they emerged I very much doubt if they are the cause of the outbreak that has finished of your produce. I suspect that there is another source of infection somewhere and not too far away.
JB.
Colin Miles
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Hi Johnboy,

What spray did the farmer use?
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Johnboy
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Hi Colin,
I am not quite sure which treatment was used but it would not be copper based. I have not seen the contractors Agronomist yet but he will be doing several trial digs in the coming days so should be able to tell you soon.
JB.
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Geoff
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I would guess it wasn't blight on your potatoes as they had a problem when they emerged in I suppose late May / early June. It wasn't the dreaded manure problem was it? Can you describe?
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Johnboy
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Hi Geoff,
A very pertinent point! I'm afraid that I didn't pick up on that at all and really should have.
JB.
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oldherbaceous
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Well thats made me brave enough to say, i was wondering if it was a late frost.

And i'm not just trying to confuse things.
Kind Regards, Old Herbaceous.

There's no fool like an old fool.
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Johnboy
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Hi OH,
Yet another pertinent point. Nothing should be ruled out. In fact I suspect that you could well be perfectly correct. I missed that one as well!
I plead creeping senility!
JB.
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