The structure of the root apex of Pyrus betulaefolia Bunge consists of the stelar meristem,cortical cells and the root cap.

杜梨根端,可分成中柱分生组织,皮层细胞和根冠。

Conclusions: Elicitor from endophytic aspergillus flavus could enhance the activities of some oxidases in cell suspension culture of Salvia miltiorrhiza Bunge.

内生黄曲霉诱子能有效提高丹参悬浮细胞氧化酶活。