Plant Diversity ›› 1992, Vol. 14 ›› Issue (02): 1-3.

• Articles •    

STUDY ON KARYOTYPES OF THREE SPECIES OF ROEGNERIA

SUN Gen-Lou YAN Ji YANG Jun-Liang   

  1. Triticeae Institute, Sichuan Agricultural University
  • Online:1992-04-25 Published:1992-04-25

Abstract: In this paper the karyotypes of Roegneria komarovii (Nevski) Nevski, R.fedtschenkoi (Tzvel.) J.L.Yang et B.R.Lu and R. caucasica Nevski were analysed. The karyotype formulae are as follows: R.komarovii: 2n= 4x= 28= 24m+ 2sm+ 2sat; R.fedtschenkoi: 2n= 4x= 28= 24m+ 2sm+ 2sat; R.caucasica: 2n= 4x= 28= 22m+ 2sm+ 4sat. The karyotpyes of R.komarovii, R.fedtschenkoi and R.caucasica fall into "2A" type.

Key words: Roegneria