Potatoes coming up from last year

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Posted by dianega 7 - ATL (My Page) on

Mon, Apr 21, 14 at 10:28

I must've missed some potatoes from last year because I just noticed I have a number of potato plants about 6 inches high. Is it worth letting these grow or should I yank them up? And if they will grow potatoes, do I need to move them to a new spot for rotation?

Thanks!

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RE: Potatoes coming up from last year

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Posted by wayne_5 6a.IN (My Page) on
Mon, Apr 21, 14 at 10:41

These plants will tend to make a nice clump of potatoes. Usually you will get a good number of potatoes though they might be a bit smaller...too many eyes and no fertilizer.

The thing to do is check these volunteers for Colorado potato Beetle as these plants make excellent traps for the first emergence of the beetles. The old adults hit these plants first and lay eggs there. last year I killed 5 adults and a clutch of eggs, and I don't believe I saw any on the regular potatoes.

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Posted by ajsmama 5b (NW CT) (My Page) on
Mon, Apr 21, 14 at 10:56

Did you have any problems with Late Blight last year? If so, destroy those volunteers since the blight can overwinter in the buried tubers that are sprouting now.

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Posted by missingtheobvious Blue Ridge 7a (My Page) on
Mon, Apr 21, 14 at 11:02

The other potential problem is that Late Blight of potatoes and tomatoes can survive from year to year on overwintered potatoes.

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