The chromosome behavior of pollen mother cell (PMCs) in meiosis was investigated in hybrid F1, homeologous chromosome pairing between wheat and rye occurred in 22.9% of PMC.

• 实验中对杂种F1代植株减数分裂各时期的花粉母细胞染色体行为进行分析，结果发现有22.；91%25的花粉母细胞中黑麦染色体与小麦染色体发生同祖配对。