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Introgression from Durum Wheat Landraces in Wild Emmer Wheat (Triticum Dicoccoides (Korn. ex Asch. et Graebner) Schweinf)



Introgression from Durum Wheat Landraces in Wild Emmer Wheat (Triticum Dicoccoides (Korn. ex Asch. et Graebner) Schweinf)



Genetic resources and crop evolution 53(6): 1165-1172



Introgression was detected within wild emmer wheat population in Jordan during the year 2000. Wild emmer wheat was found to occur in non-disturbed habitat, very close to cultivated durum wheat in northern parts of Jordan, and it was found in cultivated durum wheat in southern parts of Jordan. Random Amplified Polymorphic DNA (RAPD) test was constructed to assess natural introgression occurrence within wild emmer wheat population. Associated durum wheat land races from the vicinity of durum wheat fields were also collected. Shannon Diversity Index for wild emmer wheat populations was 0.46 and for durum wheat landraces was 0.45. The percentage of polymorphic loci for wild emmer wheat populations was 92.6. The close genetic distance between certain wild emmer wheat populations and durum wheat landraces provided proofs that massive introgression has occurred.

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