Maincrop potatoes

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gardeningdave

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Maincrop potatoes
« on: February 08, 2018, 19:07 »
Hi all,
I have grown Cara maincrop potatoes in my allotment for several years now, and the variety produces very good yields.  However, over the last few years I am finding that many of the tubers suffer from spraing.  Without knowing precisely which virus is causing this, the fact that I see very little powdery scab leads me to think that Tobacco Rattle Virus is the culprit, which I know is spread by free living nematodes.
These are practically impossible to eradicate, so I am looking to change my maincrop variety.
Can anyone suggest something similar to Cara please ?
Thanks, David

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Eblana

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  • Location: Dublin, Ireland
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Re: Maincrop potatoes
« Reply #1 on: February 08, 2018, 20:07 »
Hi all,
I have grown Cara maincrop potatoes in my allotment for several years now, and the variety produces very good yields.  However, over the last few years I am finding that many of the tubers suffer from spraing.  Without knowing precisely which virus is causing this, the fact that I see very little powdery scab leads me to think that Tobacco Rattle Virus is the culprit, which I know is spread by free living nematodes.
These are practically impossible to eradicate, so I am looking to change my maincrop variety.
Can anyone suggest something similar to Cara please ?
Thanks, David

I threw a whole bag of Cara out last week, hadn't ever heard of spraing, thought it was blight😂😂.  I wonder was it in the seed?  I had already ordered Cara so will try them again but I am also trying Setanta and Maris Piper to see how they go.

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mumofstig

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Re: Maincrop potatoes
« Reply #2 on: February 08, 2018, 20:07 »
Have you noticed the TRV virus on the leaves of the growing plants to confirm the diagnosis?

This article lists a few resistant varieties
Potato varieties - Spraing to mind - cpm magazine
Lesley x
I'm not good, I'm not bad - I'm just me, and sometimes I have to apologise for that ;)



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