In tissue culture of 13 reptant chrysanthemum varieties, direct reproduction of stem apex and axillary bud showed the highest speed and heridity stability.
对13个品种的地被菊进行组培快繁，结果：①以茎尖和腋芽直接扩繁速度最快，遗传稳定性强；
The extracts of several Chinese medicinal herbs were separately added into the improved MS culture medium to study the effects on the growth of grape stem- apex in vitro.
在改良MS培养基中加入几种中草药剂处理，研究对葡萄茎尖组培苗生长势的影响。
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