Multidisciplinary study of a little known landrace of Fagopyrum tataricum Gaertn. of Valtellina (Italian Alps)

Abstract

A little known landrace of Fagopyrum tataricum Gaertn. (“Grano Siberiano Valtellinese”) introduced at the end of the eighteenth century in the mountain areas of Valtellina (Northern Italy) has been analysed according to agronomical (plant height, number of flowers per plant, germinability and weight of the seeds), ecological (plant functional strategy), phytochemical (rutin, quercetin and fagopyrin content) and historical characteristics and compared it with other genotypes of F. tataricum and F. esculentum Moench. Analysis showed that “Grano Siberiano Valtellinese” is the genotype best adapted to the environmental conditions of the Valtellina and the most tolerant to stress (functional strategy: CS/CSR). It has a higher concentration of rutin in the seeds (764 ± 39 μg/g) and in the shoots (370 ± 66 μg/g) which make it interesting for the production of nutraceutical foods. In order to protect this landrace, its inclusion in the European Register of Conservation Varieties has been proposed.

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Acknowledgements

We wish to thank Nicol Moraschinelli, Marco Molinari, Valeria Leoni and Patrizio Mazzucchelli for their work in the field and in the laboratory, Manuel Pramsohler (Laimburg Research Center) for providing us an accession of F. tataricum, and Laura Ronchi of Lombardy Region. This research was supported by “Accordo di collaborazione fra Regione Lombardia e Ge.S.Di.Mont. per attività di ricerca scientifica ed applicata e di diffusione della conoscenza inerente il territorio montano lombardo (art. 4 c.7 l.r. 22/2016)” and by the “FISR-MIUR Italian Mountain Lab” project.

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Correspondence to Luca Giupponi.

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Giupponi, L., Borgonovo, G., Panseri, S. et al. Multidisciplinary study of a little known landrace of Fagopyrum tataricum Gaertn. of Valtellina (Italian Alps). Genet Resour Crop Evol 66, 783–796 (2019). https://doi.org/10.1007/s10722-019-00755-z

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Keywords

  • Buckwheats
  • Rutin
  • Quercetin
  • Fagopyrin
  • Landraces
  • Nutraceutical food
  • Mountain agriculture