Nitrogen fertilisation effects on technological parameters and carotenoid, tocol and phenolic acid content of einkorn (Triticum monococcum L. subsp. monococcum): A two-year evaluation
2017
Hidalgo, Alyssa | Brandolini, Andrea
Recent studies on einkorn wheat, an underutilised relative of durum and bread wheat, demonstrated its outstanding nutritional characteristics and fostered a renewed interest for its cultivation. Einkorn is a disease-resistant and thrifty crop, supplying flour with optimal composition even with minimal agronomic management. To understand the role of nitrogen fertilisation on its composition and nutritional quality, a two-year study comparing five different nitrogen treatments (0 kg/ha, 40 and 80 kg/ha at tillering, 40 and 80 kg/ha at heading) was performed on three einkorn accessions.The two years had similar temperatures but very different rainfall profiles, so the climate had a strong effect on most traits, including thousand kernels weight, Falling number, viscoamylographic parameters, carotenoid and phenolic acid concentration. On the other hand, nitrogen fertilisation improved protein content, SDS sedimentation volume and phenolic acids concentration. Carotenoids synthesis was slightly limited with increasing fertilisation; a similar, but less evident, effect was present for tocols. The results demonstrate that einkorn wheat does not require abundant nitrogen fertilisation to provide flour with good nutritional and technological characteristics.
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