Meiotic behavior in tetraploid populations of Pfaffia tuberosa (Amaranthaceae)

[摘要] Four populations of Pfaffia tuberosa, the Brazilian ginseng, collected in the central region of the state of Rio Grande do Sul (Brazil) were cytologically analyzed for meiotic behavior. All were tetraploid (2n = 4x = 68) and this...

[学科分类] 植物学

[关键词] Pfaffia tuberosa;chromosome;polyploidy;meiosis;pollen;sterility