Lycorine is a kind of alkaloid constituent which is highly-contained in plant medicine Lycoris radiata.

要石碱是传统药用植物石中含量生物碱成分。

Studies were made on the vegetative propagation coefficient and cormel's biological characters using eighth-excision in different development phase of Lycoris radiate.

要在红花石生长发育期进行八分法切割繁殖，研究无性繁殖系数和子球生物学性状差异性。