The conclusion is that induced resistance may be one of the mechanisms of E26 agent controlling crown gall of grapevines in which metabolized products of E26 strain play the major role.

因此，E26菌剂防治葡萄根癌病存在着诱导抗性的作用，且主要是代谢产物的作用。

The factors of influencing ginsenosides production during callus culture,cell suspension culture,hairy root culture,crown gall culture and reactor culture were summarized. The methodology of biological culture technology for increasing ginsenosides yield was reviewed.

本文对愈伤组织培养、细胞悬浮培养、毛状根培养、冠瘿组织培养、反应器培养过程中影响人参皂苷产量的因素进行了总结,综述了生物培养技术中提高人参皂苷产量的方法。