Abstract
The genus of Bromus is one of the most important collection of rangeland plants, which are distributed in a wide range of natural areas of Iran. Interspecific relationships were evaluated in 90 accessions of 18 Bromus species based on 15 ISSR and 15 SCoT primers. SCoT markers separated the accessions better than ISSR marker. In addition, there was a high interspecific diversity between surveying germplasm. The sections of Bromus genus completely separated based on DNA molecular markers. SCoT markers could separate the accessions in each species. The primers of SC5 and SC35 from SCoT marker and UBC861, UBC857 and UBC844 primers from ISSR marker were identified as the best primers in revealing of genetic diversity between accessions. The sections of Ceratochloa, Genea, Pnigma and Bromus were monophyletic and were placed in one cluster. The section Bromus had a direct relationship with section Genea. In other words, section Ceratochloa has a direct relationship with Pnigma. B. tectorum and B. sericeus. B. sterilis had the most distance with other species in section Genea. B. squarrosus and B. japonicus had the most similarity and B. briziformis with B. danthoniae and B. scoparius with B. rechingeri had a moderate relationship in section Bromus. B. tomentosus and B. persicus had the highest similarity and B. riparius with B. biebersteinii and B. tomentellus with B. inermis had a moderate similarity in section Pnigma.
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Acknowledgements
The authors would like to acknowledge all friends in the Department of Agronomy and Plant Breeding, Campus of Agriculture and Natural Resources, for their help. The financial support for this work was provided by the Razi University Grant No. 56747.
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Safari, H., Zebarjadi, A., Kahrizi, D. et al. The study of inter-specific relationships of Bromus genus based on SCoT and ISSR molecular markers. Mol Biol Rep 46, 5209–5223 (2019). https://doi.org/10.1007/s11033-019-04978-2
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DOI: https://doi.org/10.1007/s11033-019-04978-2