Material browning is a universal phenomenon in plant-tissue culture, and it plays a vital role in plant-tissue culture. 摘要褐化是植物组织培养中一种常见的现象，直接影响到组织培养能否取得成功。
Plant celltotipotent is the theoretical basis for plant tissue cultrue producing secondary metabolite and transforming gene plant producing alloprotein. 植物细胞全能性是植物组织培养生产次生代谢产物及转基因植物生产异源蛋白质的理论基础。
