Pollen tube behaviour of interspecies hybridization between rice and sorghum observation .
水稻与高粱属间远缘杂交花粉管行为观察。
The history development of the interspecies nuclear transplantation , application foreground and problems as well as I mportant theoretical significance of somatic cell nuclear transfer technology in the karyoplasms interaction , nucleolus differentiation and re-programming aspects were summarized .