In China, donor plants for microspore culture usually wow in field and are affected by external environment greatly, leading to low embryogenesis rate.

• 摘要针对我国油菜小孢子培养供体材料一般种植在大田，受外界环境影响较大，出胚率较低的现状，对大田环境条件下小孢子培养的主要影响因素进行了研究。