{# load django_bootstrap5#%} CCDB server
Prof. Itay Mayrose Lab - Plant Evolution, bioinformatics, & comparative genomics


   CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsRosaceaePyrusPyrus bretschneideri Rehder

5 chromosome counts in Pyrus bretschneideri Rehder:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Pyrus bretschneideri Rehder Pyrus bretschneideri Rehder   34, 51, 68 IPCN online Chen, R. y. 1993. (editor), Chromosome Atlas of Chinese Fruit Trees and Their Close Wild Relatives. Chromosome Atlas Chin. Princ. Econ. Pl. 1.
!   Pyrus bretschneideri Rehder Pyrus bretschneideri Rehder   34 IPCN online Chen, R. y. 1993. (editor), Chromosome Atlas of Chinese Fruit Trees and Their Close Wild Relatives. Chromosome Atlas Chin. Princ. Econ. Pl. 1.
!   Pyrus bretschneideri Rehder Pyrus bretschneideri Rehder   34 IPCN67-71 ZIELINSKI, Q. B., & M. M. THOMPSON. 1967. Speciation in Pyrus: chromosome number and meiotic behaviour. Bot. Gaz. 128: 109-112.
!   Pyrus bretschneideri Rehder Pyrus bretschneideri Rehder   34,51,68 eFlora  
!   Pyrus bretschneideri Rehder Pyrus bretschneideri Rehder   34 Fedorov, 1974 Adati 1933