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Post new topic   Reply to topic    Irish Gardeners Forum Home -> Vegetable growing, fruit and allotments in Ireland

Blight Warning Concerns.


 
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Hammer
Rank attained: Hazel Tree
Rank attained: Hazel Tree


Joined: 08 May 2011
Posts: 17
Location: Dunmore East

PostPosted: Mon Jul 22, 2013 12:10 pm    Post subject: Blight Warning Concerns. Reply with quote

I have a concern with my spuds as there are blight warnings here from tomorrow (south of Ireland) i have resistant maincrop 'Sarpo Mira's' but my earlies 'British Queens' are next to them and i fear that if they got the blight then the main crop would be at high risk. However i would really like to see how the high resistance sarpo mira's manage without spraying (firstly, i don't like chemicals and secondly why plant resistant spuds if you still feel you should spray them)
So, i have decided to dig up all the remaining earlies today as they will only last me maybe three or four weeks and will keep fine for that long and leave the maincrop to their own devices. It really feels like blight weather here at the moment 70 degrees (20 C), overcast and humidity of around 90% and rising.

any thoughts Question Confused
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My Potatoes
Rank attained: Pedunculate oak tree


Joined: 27 Feb 2013
Posts: 307
Location: Cork

PostPosted: Mon Jul 22, 2013 1:11 pm    Post subject: Reply with quote

In "The Potato Book", Alan Romans rates Sarpo Mira as 7 (out of 10) for foliar blight and 9 for tuber blight. This indicates that this variety has high resistance, but no variety can be considered immune. He features British Queen in the book but does not rate their resistance.

If your BQs got blight then this would increase the risk of the SMs getting blight.

Instead of digging up your BQs you could just pull out the haulms instead. This would prevent the blight attacking your BQ tubers but keep them fresh in the ground. I'm not sure how long they'll last if you dig them now.

Today does feel much more like blight weather than the couple of warnings back in June.

A couple of years ago I grew Pink Fir Apple potatoes in an allotment. I only got to spray them for half of the many blight warnings that summer. Despite them being notoriously susceptible to blight, and plenty of neighbouring plots being blight struck, my crop was healthy and huge. You just don't know!
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Hammer
Rank attained: Hazel Tree
Rank attained: Hazel Tree


Joined: 08 May 2011
Posts: 17
Location: Dunmore East

PostPosted: Mon Jul 22, 2013 1:22 pm    Post subject: Reply with quote

Good thinking My Potatoes, i was overlooking that sensible option, that is what i shall do, just remove all the foliage and leave the spuds in the ground to keep them fresh till i need them. Smile
Thanks for the advice.
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Blowin
Rank attained: Orchard owner


Joined: 20 Aug 2008
Posts: 678
Location: Drimoleague, Co Cork

PostPosted: Tue Jul 23, 2013 5:22 am    Post subject: Reply with quote

I think MP has given you sound advice. My haulms were pretty decimated last year, sometimes leaving little to get hold of to pull, and a neighbour suggested I pull them out. I did just that and din't lose a single spud underground.

Best of luck with it.

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