Influence of the interaction between light intensity and CO2 concentration on productivity and quality of spinach (Spinacia oleracea L.) grown in fully controlled environment

Simona Proietti, Stefano Moscatello, Gene A Giacomelli, Alberto Battistelli

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The effects of the factorial combination of two light intensities (200 and 800 μmol m-2 s-1) and two CO2 concentrations (360 and 800 ppm) were studied on the productivity and nutritional quality of spinach (Spinacia oleracea L.) grown under controlled environment. After 6 weeks within a growth chamber, spinach plants were sampled and analyzed for productivity and quality. There were no statistically significant interactions between the effects of light and CO2 for all of the variables studied, except for the nitrate and oxalic acid content of the leaves. High light and high CO2 independently one from the other, promoted spinach productivity, and the accumulation of ascorbic acid, while their interactive effect limited the accumulation of nitrate and oxalic acid in the spinach leaves. The results highlight the importance of considering the effects of the interaction among environmental variables on maximizing production and the nutritional quality of the food when cultivating and modeling the plant response in controlled environment systems such as for bioregenerative life support.

Original languageEnglish (US)
Pages (from-to)1193-1200
Number of pages8
JournalAdvances in Space Research
Volume52
Issue number6
DOIs
StatePublished - Sep 15 2013

Fingerprint

spinach
productivity
light intensity
luminous intensity
Oxalic acid
Productivity
oxalic acid
Nitrates
leaves
nitrates
Ascorbic acid
interactions
nitrate
phytotrons
acids
ascorbic acid
food
effect
modeling

Keywords

  • Ascorbic acid
  • Controlled environment
  • Life support in space
  • Nitrate
  • Oxalic acid
  • Spinacia oleracea L

ASJC Scopus subject areas

  • Aerospace Engineering
  • Space and Planetary Science

Cite this

Influence of the interaction between light intensity and CO2 concentration on productivity and quality of spinach (Spinacia oleracea L.) grown in fully controlled environment. / Proietti, Simona; Moscatello, Stefano; Giacomelli, Gene A; Battistelli, Alberto.

In: Advances in Space Research, Vol. 52, No. 6, 15.09.2013, p. 1193-1200.

Research output: Contribution to journalArticle

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