Cookies Policy

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies.

I accept this policy

Find out more here

Domestication of emmer wheat and evolution of free-threshing tetraploid wheat

No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
The full text of this article is not currently available.

Brill’s MyBook program is exclusively available on BrillOnline Books and Journals. Students and scholars affiliated with an institution that has purchased a Brill E-Book on the BrillOnline platform automatically have access to the MyBook option for the title(s) acquired by the Library. Brill MyBook is a print-on-demand paperback copy which is sold at a favorably uniform low price.

Access this article

+ Tax (if applicable)
Add to Favorites
You must be logged in to use this functionality

We describe here the initial steps of cultivation of wild emmer in the Levant, i.e., the western part of the Fertile Crescent, as well as genetic changes caused by spontaneous mutations, leading to its domestication and to the development of free-threshing tetraploid wheat, Triticum turgidum. Review of archaeological findings from the Pre-Pottery Neolithic A (PPNA) (10,300-9,500 BP; uncalibrated) indicates that wild emmer was first cultivated in the southern Levant. Domesticated emmer (with a nonbrittle spike) appeared several hundred years later in the early PPNB (9,500-9,000 BP), and for a millennium or more was grown in a mixture with wild emmer in many Levantine sites. After the appearance of domesticated emmer, types with naked, free-threshing grains emerged in the late PPNB (9,000-7,500 BP). We support the model in which domestication occurred independently in several sites across the Levant. According to this view, the genes for non-brittleness were transferred to numerous wild emmer genotypes through countless spontaneous hybridizations, followed by human selection. Consequently, domesticated tetraploid wheat evolved as polymorphic populations rather than single genotypes. The relatively wide genetic basis of the young crop has enabled it to tolerate biotic and abiotic stresses and to succeed under cultivation. The archaeological findings of wild emmer cultivation and domestication do not support the idea of development within a small core area, but rather indicate the polycentric origin of agriculture in the Levant.

Affiliations: 1: Department of Plant Sciences, The Weizmann Institute of Science ; 2: Faculty of Life Sciences, Bar-Ilan University


Full text loading...


Data & Media loading...

Article metrics loading...



Can't access your account?
  • Tools

  • Add to Favorites
  • Printable version
  • Email this page
  • Subscribe to ToC alert
  • Get permissions
  • Recommend to your library

    You must fill out fields marked with: *

    Librarian details
    Your details
    Why are you recommending this title?
    Select reason:
    Israel Journal of Plant Sciences — Recommend this title to your library
  • Export citations
  • Key

  • Full access
  • Open Access
  • Partial/No accessInformation