Effects of elevated CO2 and O3 on tuber quality in potato (Solanum tuberosum L.)

  • Donnelly A
  • Lawson T
  • Craigon J
 et al. 
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Abstract

This study examined the effects of season-long exposure to elevated carbon dioxide (CO2) and/or ozone (O3) on tuber quality in potato (Solanum tuberosum L. cv. ‘Bintje’). Stands of potato were grown to maturity in open-top chambers (OTCs) in 1998 and 1999 under a factorial combination of three CO2 (ambient, 550 and 680μmolmol−1) and two O3 levels (ambient and elevated; 8h per day seasonal means of 50 and 65nmolmol−1 in 1998 and 1999, respectively). The intermediate CO2 concentration was omitted from analysis of tuber quality. In 1999, the starch content of tubers and the viscosity of the resulting paste were increased by elevated CO2 (P

Author-supplied keywords

  • carbon dioxide
  • open-top chambers
  • otcs
  • ozone
  • potato
  • solanum tuberosum l
  • tuber quality
  • united kingdom

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Authors

  • Alison Donnelly

  • Tracy Lawson

  • Jim Craigon

  • Colin R. Black

  • Jeremy J. Colls

  • Geoff Landon

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