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Method for producing potato microtubers

  • US 5,498,541 A
  • Filed: 11/30/1993
  • Issued: 03/12/1996
  • Est. Priority Date: 11/30/1993
  • Status: Expired due to Fees
First Claim
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1. A method for producing potato microtubers, said method comprising culturing potato plants in a medium containing low sugar under illumination, followed by culture in a medium containing high sugar in the dark, wherein the improvement comprises:

  • (a) culturing potato plants in a medium containing 0.5-5% w/v sugar under an illumination regimen of about 12 to about 24 hours per day for about 3 to about 6 weeks; and

    (b) culturing the resulting potato plants in a medium containing 6-10% w/v sugar for about 1 to about 4 weeks under an illumination regimen of either about 6 to about 12 hours per day or about 12 to about 24 hours per day prior to culturing said plants in the dark to produce said microtubers.

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