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Domestication of Barley in Eritrean Farmer’s Fields

Orabi, Jihad; Backes, Gunter; Wolday, Asmelash; Yahyaoui, Amor and Jahoor, Ahmed (2007) Domestication of Barley in Eritrean Farmer’s Fields. Theoretical and Applied Genetics, 114 (6), pp. 1117-1127.

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Summary

According to a widely accepted theory on barley domestication, wild barley (Hordeum vulgare ssp. spontaneum) from the Fertile Crescent is the progenitor of all cultivated barley (Hordeum vulgare ssp. vulgare). In order to determine whether barley has undergone According to a widely accepted theory on barley domestication, wild barley (Hordeum vulgare ssp. spontaneum) from the Fertile Crescent is the progenitor of all cultivated barley (Hordeum vulgare ssp. vulgare). To determine whether barley has undergone one or more domestication events, barley accessions from three continents have been studied (a) using 38 nuclear SSR (nuSSRs) markers, (b) using five chloroplast SSR (cpSSR) markers yielding 5 polymorphic loci and (c) by detecting the differences in a 468 bp fragment from the non-coding region of chloroplast DNA. A clear separation was found between Eritrean/Ethiopian barley and barley from West Asia and North Africa (WANA) as well as from Europe. The data from chloroplast DNA clearly indicate that the wild barley (Hordeum vulgare ssp. spontaneum) as it is found today in the “Fertile Crescent” might not be the progenitor of the barley cultivated in Eritrea (and Ethiopia). Consequently, an independent domestication might have taken place at the Horn of Africa.


EPrint Type:Journal paper
Keywords:Barley, Hordeum vulgare, Eritrea, domestication, cpSSR
Subjects: Crop husbandry > Breeding, genetics and propagation
Research affiliation:Other countries
Denmark > KU - University of Copenhagen
Deposited By: Backes, Dr. Gunter
ID Code:10750
Deposited On:27 Apr 2007
Last Modified:12 Apr 2010 07:35
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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