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Information and discussion for successfully cultivating potatoes, the world's fourth largest crop.

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Old June 29, 2020   #16
Black Krim
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Lehigh was on my list, but company sold out before my order filled.Good thing their is next year. I seem to like the yellow potatoes !!

Nice job on setting up watering system to endure success.

Pulled first potato plant this morning. Lots of golf ball sized spuds. yum.
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Old June 29, 2020   #17
biscuitridge
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Purple Viking is our absolute favorite potato, it's purple with pink splotches on the outside and white on the inside, we grow about 700 to 1000 lbs every year ,they are nice big smooth round tubers, then I also grow a fingerling called Ama Rosa,which is red outside and inside and stays red after cooking. They are huge for a fingerling, some are 3inches in diameter and 8 inches or more long,beautiful fingerlings. Here's the patch this year.
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Old 3 Weeks Ago   #18
brownrexx
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Pulled 4 small volunteer plants last evening and got a nice little crop. These are probably Kennebec and although I have not planted reds in 2-3 years I almost always get at least one plant. Not an impressive red harvest but I can boil them with other small white potatoes and serve with butter and parsley.

As you can see I got some scab which is why I plant my crop of seed potatoes shallow and mound up with straw.


Volunteers 2020 by Brownrexx, on Flickr
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Old 3 Weeks Ago   #19
JRinPA
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What does the scab do? Caused by? They look great from here.

I killed off some of mine. The three stage tower. I'm afraid to look today.

Last week I put the top layer on and filled it some more. I had waited until some short stalks were tall enough. I backfilled it with compost and old potting soil I ran through my kemp shredder - really nice, fine and lofty. Then I watered it good. Then it rained three times real heavy in a week. At least 4" total. Probably 5". A couple days ago I saw it was dying back on one side. The plants were wet/rotten right at the surface and down. I took the top barrel layer back off and started removing that added soil and trying to get down to healthy stalk and see if they will make new shoots. As soon as I got started, we got heavy straight line winds and pouring rain. I haven't been back since! The winds probably laid over my corn, too.

I figured I'd manage to kill off some potatoes!
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Old 3 Weeks Ago   #20
brownrexx
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Potato scab is caused by a bacterium, Streptomyces scabies, and it causes either sunken or raised brown, corky spots. It is not real bad on my potatoes in the picture but can be really ugly if the spots are big or thick.

It is not harmful if you eat it but it is unattractive and makes potatoes for sale less marketable.

The bacterium lives in the soil and a low pH is supposed to help but I gave up on that and now I grow mine in straw to keep them out of the soil. Crop rotation also helps.
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Old 1 Week Ago   #21
brownrexx
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I harvested my potatoes last evening. The first photo shows what it looked like with the straw pulled back. I was able to "dig" all of my potatoes using just my gloved hands. The plant in the first photo is a little greener than most of them but with this heat wave and not being able to water then, I decided to harvest before the voles started dining on them.

Since this thread is about yields, I weighed my results. I planted 5 lbs. each of Lehigh Yellow and Kennebec and I harvested 21 lbs. of Lehigh Yellow and 26 lbs. of Kennebec. I probably had another 5 lbs. of volunteers.

Potatoes, 2020 by Brownrexx, on Flickr

Potatoes 2020 by Brownrexx, on Flickr
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Old 1 Week Ago   #22
JRinPA
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They look good. We just had some eggplant fries tonight. French fries would be good too. I am clueless on when to harvest, though.
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Old 1 Week Ago   #23
brownrexx
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You can harvest any time about 2-3 weeks after flowering but the potatoes will continue to increase in size as long as the plants are still growing.

Most of my plants were wilted over and mostly brown. I wasn't going to harvest all of them since a few of the plants like the one in the picture were still fairly green although they were limp. However I saw a vole and was finding a few potatoes chewed so I decided that it was time to harvest even if the plants were not totally brown. I had about 12 large potatoes with bite marks so I cut that part off and cubed and blanched those potatoes for the freezer.
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