Changes in carbon fixation, tuberization, and growth induced by CO 2 applications to the root zone of potato plants

R. N. Arteca, B. W. Poovaiah, O. E. Smith

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33 Scopus citations

Abstract

The root systems of potato plants (Solanum tuberosum L. var. Russet Burbank) treated with CO2 for 12 hours showed an increase in dry matter as early as 2 days after the treatment. When treated plants were allowed to grow for 3 to 6 weeks there was a substantial increase in tuberization. In addition, there was an increase in stolon length, number of tubers per stolon, and overall dry weight after the enrichment of the root zone with CO 2. Plants treated with CO2 showed higher concentrations of malic and citric acids and of the cations Mg2+ and Ca2+. The effect of CO2 was more dramatic when CO2 was applied to the root zone than when it was applied to the shoots.

Original languageEnglish (US)
Pages (from-to)1279-1280
Number of pages2
JournalScience
Volume205
Issue number4412
DOIs
StatePublished - Jan 1 1979

All Science Journal Classification (ASJC) codes

  • General

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