Mycorrhizal dependency was studied in 23 wild emmer (Triticum turgidum subsp. dicoccoides) accessions originating from ecologically and geographically different locations in the Fertile Crescent covering Israel, Turkey, Lebanon, Jordan, and Syria. | Research Article Turk J Agric For 33 (2009) 513-523 © TÜBİTAK doi: Screening of wild emmer wheat accessions (Triticum turgidum subsp. dicoccoides) for mycorrhizal dependency Cemal YÜCEL1, Hakan ÖZKAN1,*, İbrahim ORTAŞ2, Tacettin YAĞBASANLAR1 1Department of Field Crops, Faculty of Agriculture, University of Çukurova, 01330 Adana - TURKEY 2Department of Soil Sciences, Faculty of Agriculture, University of Çukurova, 01330 Adana - TURKEY Received: Abstract: Mycorrhizal dependency was studied in 23 wild emmer (Triticum turgidum subsp. dicoccoides) accessions originating from ecologically and geographically different locations in the Fertile Crescent covering Israel, Turkey, Lebanon, Jordan, and Syria. Wild emmer accessions were grown with mycorrhizae (Glomus mosseae) and nonmycorrhizae under greenhouse conditions, and harvested according to the Zadoks scale at growth stage 33. Root, shoot and total dry weight, growth response, root infection, and mycorrhizal dependency were calculated. It was determined that mycorrhizal inoculation increased , , and for root, shoot, and total dry weight, respectively, compared to the control. It was found that wild emmer wheat exhibited a wide range of mycorrhizal dependency () and growth response (), except root colonisation (). Based on these observations, the hypothesis whether or not wild wheat chromosomes have a gene(s) for mycorrhizal response was tested. The experiment was done on the Langdon-T. dicoccoides substitution lines, each having an individual chromosome from “wild emmer wheat”, T. dicoccoides, substituted into the tetraploid wheat cultivar “Langdon” background. Among the Langdon-T. dicoccoides substitution lines, mycorrhizal dependency and growth response varied from to and from to , respectively, whereas most of the substitution lines were significantly lower than Langdon for these traits. Disomic substitution
