the highest dry weight of 28.4g/L; total ginsenoside contents of 1.52% of dry weight and total gisenosede yielding of 0.432g/L via the synthetic comparition of the growth of rate;

• 将生长较快的几个发根系进行液体培养，R9923系生长速率最高为28.；8倍，发根干重最高达28