Biofortification of durum wheat (Triticum turgidum L. ssp durum (Desf.) Husnot) grains with nutrients

Ines Maria Pataco, Fernando Cebola Lidon, Ines Ramos, Karliana Oliveira, Mauro Guerra, Maria Fernanda Pessoa, Maria Luisa Carvalho, Jose Cochicho Ramalho, Antonio Eduardo Leitao, Jose Paulo Santos, Paula Scotti Campos, Maria Manuela Silva, Isabel P. Pais, Fernando Henrique Reboredo

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8 Citations (Scopus)

Abstract

Durum wheat (Triticum turgidum L. ssp. durum (Desf.) Husnot) was grown under conditions to promote mineral biofortification at the grain level. Along plant development, biomass accumulation and the kinetics of nutrients accumulation were assessed, identifying the nutrient fluxes of roots and shoots, and the timescale constraints of crop biofortification. Plants were grown under environmentally controlled conditions, submitted to four increasing concentrations of nutrient solutions (1-, 2-, 4- and 6-fold) of micro-(Fe, Zn, Cu and Mn) and macronutrients (Ca, K, P and Mg). The threshold of mineral toxicity was not reached as evaluated through plant biomass accumulation, but considering grain yield, the twofold nutrient concentration was the best treatment for biofortification. In the different treatments, the contents and the mineral unrests of roots uptake and shoots translocation varied, at different magnitudes and trends, before the onset of booting and from the physiological maturity onwards. Except for Cu, all mineral nutrients were mainly detected in the bran and embryo of the grains; therefore, the production of biofortified pasta for human consumption requires the use of integral semolina.
Original languageEnglish
Pages (from-to)39-50
Number of pages12
JournalJournal Of Plant Interactions
Volume12
Issue number1
DOIs
Publication statusPublished - 2017

Keywords

  • Biofortification
  • durum wheat
  • mineral kinetics
  • nutrients accumulation

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