昭乌达盟农科所自学成才的蒙古族园艺技术员汪景山、渔光夫妇,研究出山楂育苗新方法,把四到五年时间育苗期缩短到一年,受到有关方面的赞赏。胚胎培养的研究从本世纪开始以来,开创了植物胚胎培养应用于实际的新时期。未成熟的幼胚,特别是发育早期的幼胚,离体培养却 Wang Jiu-shan and Yu Guanguang, self-taught Mongolian horticultural technicians from Zhaowuda League Agricultural Research Institute, developed a new method of hawthorn nursery, which shortened the nursery period of four to five years to one year and was praised by relevant parties. Research on Embryo Culture Since the beginning of this century, a new era of plant embryo culture has been pioneered. Immature immature embryos, especially early embryonic immature embryos, are cultured in vitro