1590-'51年タキイ長岡農場で栽植されたパンジーViola Wittrockiana Gams. 10個体の体細胞染色体を観察したところ,その中3個体は2n=55,3個体は2n=52,その他の4個体はそれぞれ54,51,50,49の・体細胞染色体をもっていた。なおその中の若干個体においては減数分裂の異常が種々観察された。
Among 10 plants of pansy (Viola Wittrockiana GAMS.) which were grown at Takii's Farm in 1950-51, 3 plants had 2n=55 chromosomes in somatic cells, 3 plants had 2n=52 and the remaining 4 plants 2n=54, 51, 50, and 49, respectively. Furthermore, some chromosomal irregularities were found in meiotic divisions of them.
育種学雑誌 = Breeding science / 日本育種学会 編 16 (2), 133-137, 1966-06
Japanese Society of Breeding