Cytogenetic analysis of Kengyilia mutica (Keng) J. L. Yang, Yen and Baum (Poaceae: Triticeae) |
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| Authors: | Xin-Quan Zhang Jun-Liang Yang Chi Yen You-Liang Zhen |
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| Institution: | (1) Department of Forage and Grass, College of Animal Science and Technology, Sichuan Agricultural University, Yaan City, 625014, Sichuan, China;(2) Triticeae Research Institute, Sichuan Agricultural University, Dujiangyan City, 611830, Sichuan, China |
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| Abstract: | Kengyilia mutica (Keng) Yang, Yen et Baum is a hexaploid perennial grass of the tribe Triticeae native to western central China. The analyzer species with known genomic constitution used to produce interspecific hybrids with the target taxon were Roegneria kamoji Ohwi (StStHHYY), K. hirsuta (Keng) J. L. Yang, Yen et Baum (PPStStYY) and K. rigidula (Keng) J. L. Yang, Yen et Baum (PPStStYY). Analysis of metaphase I pairing configurations in the F1 hybrids indicates that K. mutica possesses the P, St and Y genomes, with only minor structural rearrangements. Chromosome pairing in hybrids supports the inclusion of K. mutica in the genus Kengyilia. |
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| Keywords: | chromosome pairing genome analysis interspecific hybrids Kengyilia mutica Triticeae |
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