WEI Peng,ZHANG Cun-zhi,REN Jie.Research on Optimizing Rooting Medium for Superior Stocks of Zizyphus jujuba Mill cv.Lingwuchangzao Plantlets in vitro Propagation[J].Northern Horticulture,2013,37(01):111-113.
灵武长枣优系试管繁殖生根培养基优化研究
- Title:
- Research on Optimizing Rooting Medium for Superior Stocks of Zizyphus jujuba Mill cv.Lingwuchangzao Plantlets in vitro Propagation
- 文章编号:
- 1001-0009（2013）01-0111-03
- 关键词:
- 灵武长枣; 微繁; 生根率; KNO3/NH4NO3
- Keywords:
- Zizyphus jujuba Mill cv.Lingwuchangzao; micropropagation; rooting rate; the concentration ratio of KNO3 and NH4NO3
- 分类号:
- S 665.103.6
- 文献标志码:
- A
- 摘要:
- 以1 a生枣头为外植体，研究了灵武长枣优亲试管繁殖生根优化培养基对其生根指标的影响。结果表明：培养基中KH2PO4、MgSO4?7H2O、CaCl2?2H2O维持一定水平，KNO3与NH4NO3浓度比值介于0.9~2.0之间，长枣试管苗生根率明显提高，与对照1/2MS相比，生根率由56.7%升至84%以上，生根数、根长等反映生根质量的指标也明显提高。
- Abstract:
- Taking one-year-old jujube head of Zizyphus jujuba Mill cv.Lingwuchangzao as explant,the effect of rooting in vitro，optimizing medium for superior stocks of plantlets propagation were studied.The results showed that maintain the content of KH2PO4，MgSO4?7H2O，CaCl2?2H2O at a certain level，control the concentration rate of KNO3 and NH4NO3 between 0.9 to 2.0，the rooting rate of plantlets will increase obviously，comparing with the conventional medium 1/2 MS，the rooting rate will ascend from 56.7% to 84% above，some characteristics such as root No.per plantlet and root length per plantlet which were correlated to rooting quality rised significantly too.
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备注/Memo
第一作者简介：魏鹏（1981-），男，硕士，讲师，现主要从事植物组培快繁与植物生理生态等的研究工作。E-mail:weipeng135@126.com.