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Plant Systematics and Evolution

, Volume 209, Issue 1–2, pp 67–73 | Cite as

The genome constitution ofRoegneria grandis (Poaceae, Triticeae)

  • Xin-Quan Zhang
  • Jun-Liang Yang
  • Chi Yen
Article

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.

Key words

Poaceae Roegneria Elymus Pseudoroegneria Intergeneric hybrids chromosome pairing genome analysis 

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Copyright information

© Springer-Verlag 1998

Authors and Affiliations

  • Xin-Quan Zhang
    • 1
  • Jun-Liang Yang
    • 1
  • Chi Yen
    • 1
  1. 1.Triticeae Research InstituteSichuan Agricultural UniversityDujiangyan CityP R China

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