Evaluation of a Set of Hordeum vulgare subsp. spontaneum Accessions for β-Glucans and Microelement Contents

Fadwa Elouadi, Ahmed Amri, Adil El-baouchi, Zakaria Kehel, Ghizlanne Salih, Abderrazek Jilal, Benjamin Kilian and Mohammed Ibriz
Additional contact information
Fadwa Elouadi: Plant, Animal Productions and Agro-Industry Laboratory, Ibn Tofail University, P.O. Box 133, Kénitra 14000, Morocco
Ahmed Amri: International Center for Agricultural Research in the Dry Areas, Hafiane Cherkaoui Avenue, P.O. Box 6299, Rabat 10101, Morocco
Adil El-baouchi: African Integrated Plant and Soil Research Group (AiPlaS), AgroBioSciences, Mohammed VI Polytechnic University, Ben Guerir 43150, Morocco
Zakaria Kehel: International Center for Agricultural Research in the Dry Areas, Hafiane Cherkaoui Avenue, P.O. Box 6299, Rabat 10101, Morocco
Ghizlanne Salih: National Institute for Agricultural Research, Regional Center of Rabat, P.O. Box 6570, Rabat 10101, Morocco
Abderrazek Jilal: National Institute for Agricultural Research, Regional Center of Rabat, P.O. Box 6570, Rabat 10101, Morocco
Benjamin Kilian: Global Crop Diversity Trust, Platz der Vereinten Nationen 7, D-53113 Bonn, Germany
Mohammed Ibriz: Plant, Animal Productions and Agro-Industry Laboratory, Ibn Tofail University, P.O. Box 133, Kénitra 14000, Morocco

Agriculture, 2021, vol. 11, issue 10, 1-15

Abstract: Barley is one of the oldest domesticated crops in the world and is mainly used for feed and malt and to a lesser extent as food. The use of barley as food is a tradition in communities in some countries of North Africa, Europe, and Asia. However, due to the health-promoting properties of barley grain, there is an increasing interest in such use. The International Center for Agricultural Research in the Dry Areas (ICARDA) has a global mandate for barley improvement and holds rich in-trust collections of cultivated and wild Hordeum species. The present study aims to evaluate 117 accessions of Hordeum spontaneum for their contents of β-glucan and microelements for breeding new varieties with enhanced nutritional value. The bulked seed accessions of Hordeum spontaneum were grown over two seasons, and the single plant derived seeds from these accessions were compared to 36 elite lines and varieties of cultivated barley in the second season in Morocco. The results showed large differences in β-glucan and microelements in both the bulk and the single plant seed accessions. The contents of β-glucans ranged from 1.44 to 11.3% in the Hordeum spontaneum accessions and from 1.62 to 7.81% in the cultivated barley lines. Large variations were found for the microelements content, but no differences were noticed between the wild and the cultivated species. However, some accessions of Hordeum spontaneum had higher combined contents of Iron, Zinc, and Selenium. Such accessions are used in interspecific crosses to develop biofortified barley germplasm and varieties.

Keywords: barley; β-glucan; biofortification; genetic resources; trace element; wild barley (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
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