The chromosome number of three varieties of swede was found to ben=19 and 2n=38. This agrees with the results of Nagai & Sasaoka (1930) and U (1935). The numbersn=18 and 2n=36, reported in three other papers, are most probably incorrect.
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Howard, H.W. The chromosome number of the swede,Brassica napus L.. Journ. of Genetics 35, 383–386 (1938). https://doi.org/10.1007/BF02982362
- Chromosome Number
- Side View
- Pollen Mother Cell
- Polar View
- Haploid Number