Advances in preparation system of woody plants protoplast

The development history and present situation of woody plants protoplast preparation system at home and abroad were reviewed.The processes and announcements of woody plants protoplast preparation were given in detail.The reasons of developing slowly at earlier and rapidly later of the research on woody plants protoplast are the realization of preparation system of woody plants protoplast.The findings provide a beneficial guidance for utilizing woody plants protoplast to improve woody plant's hereditary character.