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Article

Breeding Buckwheat for Nutritional Quality in the Czech Republic

1
Gene Bank, Crop Research Institute, Drnovská 507/73, 161 06 Prague 6, Czech Republic
2
Quality and Plant Products, Crop Research Institute, Drnovská 507/73, 161 06 Prague 6, Czech Republic
3
Molecular Genetics, Crop Research Institute, Drnovská 507/73, 161 06 Prague 6, Czech Republic
4
Crop Science Department, Agricultural Institute of Slovenia, Hacquetova ulica 17, SI-1000 Ljubljana, Slovenia
*
Author to whom correspondence should be addressed.
Academic Editor: Bhakti Prinsi
Plants 2021, 10(7), 1262; https://doi.org/10.3390/plants10071262
Received: 21 May 2021 / Revised: 10 June 2021 / Accepted: 17 June 2021 / Published: 22 June 2021
(This article belongs to the Special Issue Breeding Buckwheat for Nutritional Quality)
Buckwheat is a nutritionally valuable crop, an alternative to common cereals also usable in gluten-free diets. The selection of buckwheat genotypes suitable for further breeding requires the characterization and evaluation of genetic resources. The main objective of this work was to evaluate selected phenotypic and morphological traits using international buckwheat descriptors, including total phenolic content and antioxidant activity, on a unique set of 136 common buckwheat accessions grown in 2019–2020 under Czech Republic conditions. In addition, UHPLC-ESI- MS/MS was used to analyze a wide spectrum of 20 phenolic compounds in buckwheat seeds, including four flavanols, three phenolic acids, seven flavonols, four flavones, and two flavanones. Significant differences among years and genotypes were observed for morphological traits (plant height and 1000-seed weight) and antioxidant activity, as well as levels of observed chemical compounds. Antioxidant activity, crude protein content, plant height and rutin content were characterized by higher mean values in 2020 than in 2019 and vice versa for total polyphenol content and 1000-seed weight. Crude protein content was the most stable across years, while total polyphenol content and rutin content varied greatly from year to year. The most abundant phenolic compounds were rutin, hyperoside, epicatechin, catechin, vitexin, isovitexin, orientin and isoorientin. Protein content was negatively correlated with plant height, catechin and epicatechin content. On the other hand, AA and TPC were positively correlated with rutin, hyperoside and chlorogenic acid. Five accessions showed high stability of the evaluated traits under changing conditions within both years of observation. These materials can be used in breeding programmes aimed at improving buckwheat genotypes with emphasis on quality traits. View Full-Text
Keywords: breeding; common buckwheat; Fagopyrum; morpho-agronomic traits; protein; phenolic compounds; mass spectrometry breeding; common buckwheat; Fagopyrum; morpho-agronomic traits; protein; phenolic compounds; mass spectrometry
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MDPI and ACS Style

Janovská, D.; Jágr, M.; Svoboda, P.; Dvořáček, V.; Meglič, V.; Hlásná Čepková, P. Breeding Buckwheat for Nutritional Quality in the Czech Republic. Plants 2021, 10, 1262. https://doi.org/10.3390/plants10071262

AMA Style

Janovská D, Jágr M, Svoboda P, Dvořáček V, Meglič V, Hlásná Čepková P. Breeding Buckwheat for Nutritional Quality in the Czech Republic. Plants. 2021; 10(7):1262. https://doi.org/10.3390/plants10071262

Chicago/Turabian Style

Janovská, Dagmar, Michal Jágr, Pavel Svoboda, Václav Dvořáček, Vladimir Meglič, and Petra Hlásná Čepková. 2021. "Breeding Buckwheat for Nutritional Quality in the Czech Republic" Plants 10, no. 7: 1262. https://doi.org/10.3390/plants10071262

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