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Produce => Edible Plants => Topic started by: tomatoada on October 26, 2011, 10:44:49

Title: seed potatoes
Post by: tomatoada on October 26, 2011, 10:44:49
I received my Kings seed catalogue 2 days ago.  Just been on their web site looking at seed potatoes.  I am shocked to find some are already sold out!!!  eg Picasso.
I think I read somewhere that the dry summer would cause a shortage of seed potatoes.   
Any comments.
Title: Re: seed potatoes
Post by: Unwashed on October 26, 2011, 11:41:02
That is a worry.  I wonder if it means they're sold out from last year and this year's crop isn't in yet?
Title: Re: seed potatoes
Post by: tomatoada on October 26, 2011, 12:16:25
No I phoned up to ask that.
Title: Re: seed potatoes
Post by: Unwashed on October 26, 2011, 12:42:46
No I phoned up to ask that.
Oh, well that really is a worry.  I wonder if it is an issue for Scottish seen only or whether the Dutch and German seed potatoes are scarce too.  I'll ask.
Title: Re: seed potatoes
Post by: Unwashed on October 26, 2011, 12:51:05
I see that Charlton Park get their Picasso from Holland and I understand that they has 200mm of rain in June when they should have had 40mm so it's more a problem of them rotting than drying out, but I'll pop into Newbury tomorrow and ask Richard himself to see if it's a general problem or whether it was particularly unfortunate for Picasso.

Incidentally, I found them to be a tasty potato as chunky chips, but the slugs utterly destroyed them - I'll stick with Kestrel.
Title: Re: seed potatoes
Post by: tomatoada on October 26, 2011, 16:11:09
The lady on the  phone said some varieties were sold out.  Yucan gold was another.
Title: Re: seed potatoes
Post by: Unwashed on October 26, 2011, 16:58:58
I spoke to Richard from Charlton Park this aft and he didn't anticipate any problem getting Picasso, though they'll be Scottish, not Dutch.  He said there have been some problems with a few varieties such as Valour, Maris Bard, and King Edwards, with some varieties suffering from splitting and spraing (lost half of my Kestrel with spraing this year), and that'll cause some knock-on shortages as commercial growers use alternatives, and he suggested that might see something of a price escalation as a result, but he didn't see a general problem.

Maybe tattieman will pop along later and give his perspective.
Title: Re: seed potatoes
Post by: Tattieman on October 26, 2011, 17:22:47
And as if by magic I appear ;D

Well the main problem in Scotland is rain. It just won't stop. Harvest is about 3-4 weeks behind at the moment which will have a knock on effect with how soon the potatoes can be graded and sent out.

What has been harvested is looking very good at the moment but there may be a few issues with water logging and as mentioned earlier cracking of the seed potatoes.

At the moment there are a few varieties sold out but the main varieties should be ok this year.

Edzell Blue were the first to sell out this year but we may find that more stock becomes available once it has been graded for size and dressed for quality.

I will try and keep you all in the loop.
(PS unwashed your inbox is full)
Title: Re: seed potatoes
Post by: Digeroo on October 26, 2011, 18:26:15
What is this rain stuff?    I am hoping to go to a couple of potato days again next year, I rather enjoy trying different varieties.  It will be interesting to see what varieities are available. 

I find it quite interesting that the varieties with the same name but bought from different sources are not the same. 
Title: Re: seed potatoes
Post by: manicscousers on October 26, 2011, 18:54:17
Got some fantastic sized 'smile' spuds this year, our supplier hasn't got them on his list for next year  ???
Title: Re: seed potatoes
Post by: Tattieman on October 26, 2011, 19:05:30
Digeroo it has rained all year with us. We had about 4 days of sun in the summer.

If you have any Smile seed left then you should keep it as there will be no more available now that the variety has stopped in the UK.
Title: Re: seed potatoes
Post by: Unwashed on October 26, 2011, 19:16:45
(PS unwashed your inbox is full)
Oopsi!  Thanks Tattieman, Sorted.  And thanks for the info.
Title: Re: seed potatoes
Post by: manicscousers on October 26, 2011, 20:16:01
Thanks for that, Tattieman, I'll have look for a few small ones and try to keep them until next year  :)
Title: Re: seed potatoes
Post by: pumkinlover on October 26, 2011, 21:16:57
Why's that Tattieman? I never got round to grow it and was hoping to :(
Title: Re: seed potatoes
Post by: Tattieman on October 26, 2011, 21:28:33
Do you mean why Smile has gone pumkinlover? If so it has gone as a result of the variety not being commercially viable in the UK. The breeder who is in control of the variety also had to be paid royalties every year and it could just no longer carry on at the rate it was going.

It happens to alot of varieties every year but many you will not have heard about so you don't miss them.
Title: Re: seed potatoes
Post by: pumkinlover on October 26, 2011, 21:38:24
Thanks Tattieman, it did look soo preety.
Can I congratulate you on your website by the way :D
Title: Re: seed potatoes
Post by: Tattieman on October 26, 2011, 22:13:14
Thats very nice of you to say pumpkinlover. The websites I have seem to take up all my time just now.
Title: Re: seed potatoes
Post by: grawrc on October 26, 2011, 22:28:45
Just had a wee look and it's even better than I remember. (the website that is)

It's not been a good growing year for much here in Scotland. Well I can only really speak for Edinburgh. I still have tatties in the ground that in previous years would have been lifted, dried and stored.

I can't make up my mind what to choose for next year. Maybe Charlotte - they're the ones I buy when I run out of salad type potatoes. Kestrel and Lady Christl have always done well for me. This year I grew Fortyfold for the first time but haven't lifted any yet so don't know what they'll be like.

I think I must be the only person on the planet that doesn't like PFA and I never seem to have much success with red potatoes. Don't know why.
Title: Re: seed potatoes
Post by: Digeroo on October 26, 2011, 22:59:23
Quote
Digeroo it has rained all year with us.
  So you have been hogging all the rain too. ;D

Do you have any good recommendation for something with a good flavour which does not get attacked by slugs?



Title: Re: seed potatoes
Post by: cornykev on October 27, 2011, 05:33:45
The thing I like about Tatties website is you can look up a spud and it will tell you if its ideal for roasties, mash etc and also tell you the resistances.   :D
Title: Re: seed potatoes
Post by: Tattieman on October 27, 2011, 07:56:48
Slug resistance is a difficult one really. I would say Sarpo Mira anf Kestrel are pretty resistant and there are others that we would rate as resistant but sometimes you will get the odd slug hole in them.

At least this morning it looks dry and we might get to harvest some Salad Blue today.
Title: Re: seed potatoes
Post by: Deb P on October 27, 2011, 09:40:59
I think I must be the only person on the planet that doesn't like PFA ...

No you are not Anne, I think they taste like Brazil nuts and therefore I just don't like the taste. I can just about tolerate some of their crossed daughters like 'Anya' which have the shape but not as 'knobbly' and the taste is more potato like.

I was in Holland on hols at the end of August and the papers were full of it being the worst summer on record, it rained every day we were there so I'm not surprised they are having potato problems!

I shall be sticking to earlies and second earlies again next year, Charlotte, Kestrel, Nicola or Nadine, and one other last minute 'suprise me' purchase made on the spur of the moment!
Title: Re: seed potatoes
Post by: Morris on October 27, 2011, 14:19:00
Tattieman, I ordered from you for the first time last year and was very pleased!

I notice Juliette is out of stock, one of my favourites - is she going to be available at all this year, do you know?

Thanks  :)
Title: Re: seed potatoes
Post by: pansy potter on October 27, 2011, 16:00:30
What a great site. Has anyone tried Maxine. We only like waxy spuds in our house
Title: Re: seed potatoes
Post by: Tattieman on October 27, 2011, 18:37:58
Maxine are great spuds and we have no Juliette this year. We never got out harvesting today as it was too wet again.
Title: Re: seed potatoes
Post by: cornykev on October 27, 2011, 19:27:30
This is my 6th season growing Kestrel on the plot and only the last two have had slug holes in my kestrel, one last year and two this,  :D I've had a bit of scab though it's not a problem, I'm thinking of blaming the council compost for the scab.  :-X
 One thing I have noticed is that lovely purpley colour is becoming less every year, some of them where completely colourless, I wondered if anyone else had noticed this and what Tattieman thoughts were on the matter. 
I got the free Sarpo Miro that someone pointed me to this year and they are a lovely red waxy spud with zero slug holes, although a few had the ends nibbled off,  but they are easier just to cut the edge off.    :D
Title: Re: seed potatoes
Post by: Unwashed on October 27, 2011, 19:36:02
One thing I have noticed is that lovely purpley colour is becoming less every year, some of them where completely colourless, I wondered if anyone else had noticed this and what Tattieman thoughts were on the matter.
Yes, I'd definitely noticed it this year and even had a few that I'd say were all white, and I'm sure they've been getting progressively less colourfull over the years.
Title: Re: seed potatoes
Post by: Tattieman on October 27, 2011, 20:04:06
Yes this problem has been noted in Kestrel and I noticed this myself for the first time this year.
I think the colour breaks down over time as potatoes clone each other and every time they copy themselves the breed character is being eroded away.
Its like if you send someone a fax and then that person faxes the fax and the next person faxes it to another person. After so many copies of a copy the quality gets worse. Thats why every 6 years new stock is started from minitubers.
Title: Re: seed potatoes
Post by: pumkinlover on October 27, 2011, 22:34:20
That's interesting -I'd noticed the same in Kestrel but kind of just thought it was how I'd grown them or such like.

Another thing I have noticed is that Pink Fir apples are less knobbly! I grow Anya as well because they are not as Knobbly, but was surprised at the reduced level of knobblyness on the PFA's. I did not get them muddled up :D
Title: Re: seed potatoes
Post by: Morris on October 28, 2011, 10:52:20
Any recommendations on what to grow instead of Juliette? A reliably waxy second early/early maincrop that stores well?

I don't rate Charlotte here, the flavour isn't as good as Juliette.

PS - aargh no Harlequin either, which I trialled last year and liked - better than Anya imo.

Title: Re: seed potatoes
Post by: Robert_Brenchley on October 28, 2011, 17:20:26
Yes this problem has been noted in Kestrel and I noticed this myself for the first time this year.
I think the colour breaks down over time as potatoes clone each other and every time they copy themselves the breed character is being eroded away.
Its like if you send someone a fax and then that person faxes the fax and the next person faxes it to another person. After so many copies of a copy the quality gets worse. Thats why every 6 years new stock is started from minitubers.

Where do the minitubers come from? It can't just be cloning; minitubers are clones as well. Maybe it's down to virus?
Title: Re: seed potatoes
Post by: cornykev on October 28, 2011, 18:06:29
Cheers for that, I did notice the colours last year but a lot more this year, as Simon said some of them are white.   :-\ :D
Title: Re: seed potatoes
Post by: Tattieman on October 29, 2011, 08:12:03
Yes this problem has been noted in Kestrel and I noticed this myself for the first time this year.
I think the colour breaks down over time as potatoes clone each other and every time they copy themselves the breed character is being eroded away.
Its like if you send someone a fax and then that person faxes the fax and the next person faxes it to another person. After so many copies of a copy the quality gets worse. Thats why every 6 years new stock is started from minitubers.

Where do the minitubers come from? It can't just be cloning; minitubers are clones as well. Maybe it's down to virus?

Robert minitubers come from microplants that are made from stem cuttings and grown in what we call honey jars. These are made from an original clone of the variety and grown in the lab. The plants are then cut again and again until you have 1000s of copies of the original microplant. The microplants are then grown in sterile peat and produce the new generation of the original potato and the original microplant clone can be stored in honey jars for years and years.

One of Kestrels parents is probably a white skinned potato and it it most likely that as the clone is copied and copied that the potatoes start to revert to one of the parents. That is probably why Kestrel goes white.


Title: Re: seed potatoes
Post by: Robert_Brenchley on October 29, 2011, 10:43:38
Problem is you have two clones there. One reverts to a white form, the other doesn't. That has to be more than just the cloning. Since viruses spread through the plant rather slowly, and don't reach the young stems used for the microtubers, they're an obvious possibility.
Title: Re: seed potatoes
Post by: Tattieman on October 29, 2011, 11:44:33
If there were any viruses present then the potatoes would not pass the field inspections. The inspectors carry virus testing kits and test the crops as they grow.

If there were any viruses present in the original clone in the lab then they would not be released for reproduction. It is a really interesting idea Robert but I just can't see a virus doing that.

One of Kestrels parents is Cara. There are no purple marking on Cara. One of Caras parents is a variety called Ulster Glade which was a white variety. Potatoes have a very complex DNA and this is why it took so long for the DNA markers of potatoes to be recorded.

Another interesting observation that I made this year was that potatoes from a single single sack of Kestrel were sent out to 6 top show growers. 3 growers on the dry east coast and 3 on the wet west coast. When all the potatoes were brought together to a show it was very plain to see that the east coast growers had more colour on their kestrel compared to the west coast.

I then started to wonder if the amount of sunlight and other regional weather patterns were also a factor in the colour on the potatoes.

Title: Re: seed potatoes
Post by: pumkinlover on October 29, 2011, 13:07:55
Another member PM@d me with a similar comment about knobbles on PFA.
However he felt that they were more knobbly when dry and this year was dry for us but no-where near as knobbly.
Also my observation goes back over a decade. :-\

BTW fantastic thread this- lots to learn
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