The genome constitution ofRoegneria grandis (Poaceae, Triticeae) |
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| Authors: | Xin-Quan Zhang Jun-Liang Yang Chi Yen |
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| Institution: | (1) Triticeae Research Institute, Sichuan Agricultural University, 611830 Dujiangyan City, Sichuan, P R China |
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| Abstract: | Roegneria grandis was hybridized withR. ciliaris var.japonensis (2n = 28, SSYY),Elymus caninus (2n = 28, SSHH), andPseudoroegneria spicata (2n = 28, SSSS). Chromosome pairing was studied in parents and hybrids. It is concluded from this study that: (i)R. grandis is an allotetraploid species and contains the basic genomes S and Y: (ii) a certain degree of homoeology exists between the S and Y genomes of the species studied. |
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| Keywords: | Poaceae Roegneria Elymus Pseudoroegneria Intergeneric hybrids chromosome pairing genome analysis |
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