不同培养条件对勺叶茅膏菜试管苗矶松素含量的影响-热带亚热带植物.PDFVIP

热带亚热带植物学报　2014 ，22(3) ：250 ~ 256 Journal of Tropical and Subtropical Botany 不同培养条件对勺叶茅膏菜试管苗矶松素含量的影响 赖恭梯, 林玉玲, 赖钟雄* (福建农林大学园艺植物生物工程研究所， 福州 350002) 摘要： 为探讨培养条件对勺叶茅膏菜(Drosera spatulata)试管苗矶松素积累的影响 ，采用高效液相色谱(HPLC)法测定矶松素含 量 ，对不 同器官和不 同培养条件下的勺叶茅膏菜试管苗矶松素含量变化进行研究 。结果表明，勺叶茅膏菜试管苗根的矶松素含 量显著高于叶片 ；光质和有机物含量对勺叶茅膏菜试管苗矶松素含量 的影响不显著 ，但对试管苗 的生长具有显著影响 ，最佳培 养光质为 白光 ，其次为红光和蓝光 ，最后为绿光 ；适 当降低培养基 中有机物含量可促进勺叶茅膏菜试管苗 的生长发育 ；植物生 长调节剂对矶松素积累的影响效应依次为 6-BA NAA KT GA3 ，而对试管苗生长的影响效应依次为 6-BA GA3 NAA – 1 – 1 – 1 KT。因此 ，勺叶茅膏菜试管苗的最佳培养条件为 ：以 1/2MS 为基本培养基 ，添加 0 ~ 0.2 mg L 6-BA 、0.2 mg L NAA 、0.5 mg L KT 和 0.1 mg L– 1 GA ，于 白光下培养 。 3 关键词： 勺叶茅膏菜 ；矶松素 ；HPLC ；光质 ；有机物 ；植物生长调节剂 doi: 10.3969/j .issn.1005–3395.2014.03.006 Effect of in vitro Culture Conditions on Content of Plumbagin in Sundew (Drosera spatulata) Plantlets * LAI Gong-ti, LIN Yu-ling, LAI Zhong-xiong (Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China) Abstract: In order to understand the effect of different culture conditions on content of plumbagin in sundew (Drosera spatulata) plantlets, the changes in plumbagin content were studied by using high performance liquid chromatography (HPLC). The results showed that the content of plumbagin in roots was higher than that in leaves. Light quality and organic element content in medium had no significant differences in plumbagin accumulation in sundew plantlets, but had significant effects on its growth. White light was the best for culture of sundew plantlets, followed by red light, blue light, and green light. Appropriate to reduce the organic matter content in medium could promote the growth and development of sundew plantlets. The effects of differ