| 摘要 |
<p>A method of obtaining, on a large scale by tissue culture, tuber of potato, corm of taro, konjac, Pinellia ternata Breit., rhizome of Scopolia japonica Maxim., tuberculate root of chinese yam, etc. having an enough large size to cultivate seed tubers by one cultivation in the soil. This method comprises culturing the plant itself or its slices in a liquid medium till the plant grows to a size of 15 to 30 cm on the average, submerging 90 % or more of the plant in the liquid medium while reducing the amount of the liquid medium with time to such a degree that 50 to 98 % of the plant is exposed to an outer atmosphere to thereby obtain a large amount of tuber, corm, rhizome or tuberculate root in a short time.</p> |
