Effect of nutrient solution concentration on quality of radish (Raphanus sativus L.) grown on a floating system

A. Salerno, F. Pierandrei, S. Rinaldi, P. Sequi, E. Rea, G. Colla, Y. Rouphael, F. Saccardo, M. Valentini

Research output: Contribution to journalArticle

Abstract

The management of mineral nutrition is a key pre-harvest factor that determines the product quality of radish (Raphanus sativus L). The floating system represents an important tool because it permits a precise control of plant nutrition. The objective of this work was to assess the effect of three nutrient solution concentrations (100%, 75% and 50%) on total polyphenols, anthocyanins, glucosinolates and chemical characterization of two radish genotypes ('Girox' and 'Suprella') grown in a floating system during three consecutive growing cycles. Anthocyanin and glucosinolate compounds were enhanced most in radishes grown on the 75% and 50% concentration solutions during the spring and summer growing seasons, respectively. Furthermore the 'Suprella' cultivar of radish has generally higher bioactive compound content of total polyphenols, anthocyanins and glucosinolates than 'Girox'. The NMR analysis suggested the difference between the treatments for nutrient solution concentration: the major 1H-NMR signal originated from sugars and organic acid molecule structures.

Original languageEnglish
Pages (from-to)297-302
Number of pages6
JournalActa Horticulturae
Volume746
Publication statusPublished - 2007

Fingerprint

Raphanus sativus
radishes
nutrient solutions
glucosinolates
anthocyanins
plant nutrition
polyphenols
sugar acids
product quality
organic acids and salts
growing season
genotype
summer
cultivars

Keywords

  • Bioactive compounds
  • Fresh cut product
  • HPLC
  • NMR
  • Nutrient solution

ASJC Scopus subject areas

  • Horticulture

Cite this

Effect of nutrient solution concentration on quality of radish (Raphanus sativus L.) grown on a floating system. / Salerno, A.; Pierandrei, F.; Rinaldi, S.; Sequi, P.; Rea, E.; Colla, G.; Rouphael, Y.; Saccardo, F.; Valentini, M.

In: Acta Horticulturae, Vol. 746, 2007, p. 297-302.

Research output: Contribution to journalArticle

Salerno, A, Pierandrei, F, Rinaldi, S, Sequi, P, Rea, E, Colla, G, Rouphael, Y, Saccardo, F & Valentini, M 2007, 'Effect of nutrient solution concentration on quality of radish (Raphanus sativus L.) grown on a floating system', Acta Horticulturae, vol. 746, pp. 297-302.
Salerno A, Pierandrei F, Rinaldi S, Sequi P, Rea E, Colla G et al. Effect of nutrient solution concentration on quality of radish (Raphanus sativus L.) grown on a floating system. Acta Horticulturae. 2007;746:297-302.
Salerno, A. ; Pierandrei, F. ; Rinaldi, S. ; Sequi, P. ; Rea, E. ; Colla, G. ; Rouphael, Y. ; Saccardo, F. ; Valentini, M. / Effect of nutrient solution concentration on quality of radish (Raphanus sativus L.) grown on a floating system. In: Acta Horticulturae. 2007 ; Vol. 746. pp. 297-302.
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