WU Yanqiu,LYU Xiang,LI Xiaolan,et al.Culture Conditions of Protocorms Proliferation of Cremastra appendiculata[J].Northern Horticulture,2016,40(19):124-128.[doi:10.11937/bfyy.201619031]
杜鹃兰原球茎增殖培养条件
- Title:
- Culture Conditions of Protocorms Proliferation of Cremastra appendiculata
- 文献标志码:
- A
- 摘要:
- 以杜鹃兰种子萌发的原球茎为试材,研究不同培养基、不同植物生长调节物质(6-BA、NAA和IBA)、活性炭、温度及光照强度对杜鹃兰原球茎增殖的影响。结果表明:1/2MS培养基为适于原球茎增殖的基本培养基;添加一定浓度的6-BA、NAA和IBA均有利于原球茎的增殖,IBA的浓度为1.0 mg?L-1时,原球茎增殖率较高,40 d可达170.07%;适量添加活性炭对原球茎增殖有促进作用;温度及光照强度的控制对原球茎增殖是必需的。杜鹃兰原球茎增殖的适宜培养条件为1/2 MS+1.0 mg?L-1 6-BA+1.0 mg?L-1 IBA+0.5 g?L-1活性炭,温度为15 ℃,光照强度为2 000 lx。
- Abstract:
- The protocorms from the germination of Cremastra appendiculata seed were used as test materials to investigate the effects of the media,growth regulators(6-BA,NAA and IBA),active carbon (AC),temperature and light intensity on protocorms proliferation of C.appendiculata.The results showed that 1/2 MS medium was the appropriate basic medium for protocorms proliferation.Adding 6-BA,NAA and IBA into 1/2 MS medium was beneficial to protocorms proliferation.The proliferation rate reached to 170.07% after 40 days while adding 1.0 mg?L-1 IBA,and adding certain amount of AC could promote the proliferation.In addition,the temperature and light intensity were also necessary to the proliferation.In conclusion,the suitable culture condition for protocorms proliferation of C.appendiculata was 1/2 MS adding 1.0 mg?L-1 6-BA,1.0 mg?L-1 IBA and 0.5 g?L-1 AC with 15 ℃ and 2 000 lx light intensity.
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备注/Memo
第一作者简介:吴彦秋(1992-),女,硕士,研究方向为植物生物技术与次生物质代谢。E-mail:737080538@qq.com.责任作者:张明生(1963-),男,博士,教授,博士生导师,现主要从事植物生理生化与生物技术等研究工作。E-mail:mszhang@guz.edu.cn.基金项目:国家自然科学基金资助项目(81360613);贵州省高层次创新型人才培养计划资助项目(黔科合人才[2015]4031号);贵州大学研究生创新基金资助项目(研农2016004)。