Genetics of morphological traits in wild wheat,Triticum turgidum var.dicoccoides |
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Authors: | A A Levy M Feldman |
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Institution: | (1) Department of Plant Genetics, The Weizmann Institute of Science, 76100 Rehovot, Israel |
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Abstract: | Summary The mode of inheritance, linkage groups, and chromosomal location of 23 morphological and 4 biochemical traits were characterized in the wild tetraploid emmer wheat,Triticum turgidum var.dicoccoides. These traits were described and their mode of inheritance was determined by their segregation in four F2 populations derived from crosses between four var.dicoccoides accessions and a tetraploiddurum cultivar. Linkage groups among the genes encoding for these traits were determined or postulated, and their chromosomal location was deduced by linkage to previously located genes. The genetic control of the following traits was characterized and is first reported here: black keel; hairy leaf sheath; hairy auricles; hairy rachilla; hairy kernel brush; obtuse flag leaf; and curved neck/peduncle. The linkage data indicated that developmentally-related genes tended to occur in clusters. |
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Keywords: | Triticum turgidum var dicoccoides Triticum dicoccoides tetraploid wheat wild emmer wheat morphological traits genetic markers gene clusters chromosome location |
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