[1]李娟娟,赵文兵,周健,等. 优异党参种质“凤党”离体繁殖技术[J].西北林学院学报,2022,37(5):124-128.[doi:10.3969/j.issn.1001-7461.2022.05.17]
　LI Juan-juan,ZHAO Wen-bing,ZHOU Jian,et al.In vitro Propagation of An Excellent Germplasma of Codonopsis pilosula "Fengdang"[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2022,37(5):124-128.[doi:10.3969/j.issn.1001-7461.2022.05.17]
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 优异党参种质“凤党”离体繁殖技术()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第37卷
期数:
2022年第5期
页码:
124-128
栏目:
出版日期:
2022-09-30

文章信息/Info

Title:
In vitro Propagation of An Excellent Germplasma of Codonopsis pilosula "Fengdang"
文章编号:
1001-7461(2022)05-0124-05
作者:
 李娟娟1; 赵文兵2; 周健3; 周建云4*
 （1.杨凌职业技术学院，陕西 杨陵 712100；2.汉中市天台山森林公园管理服务中心，陕西 汉中 723000；3.佛坪秦岭生态保护中心，陕西 佛坪 723400；4.西北农林科技大学 林学院，陕西 杨陵 712100）
Author(s):
 LI Juan-juan1; ZHAO Wen-bing2; ZHOU Jian3; ZHOU Jian-yun4*
 （1.Yangling Vocational and Technical College,Yangling 712100,Shaanxi,China; 2.Hanzhong Tiantai Mountain Forest Park Management Service Center,Hanzhong 723000,Shaanxi,China; 3.Foping Qinling Ecological Protection Center,Foping 723400,Shaanxi,China; 4.College of Forestry,Northwest A&F University,Yangling 712100,Shaanxi,China）
关键词:
 ; “凤党”; 快繁; 愈伤组织; 植物生长调节剂; 再生
Keywords:
Codonopsis pilosula "Fengdang";  micropropagation;  callus;  plant growth regulator ;  regeneration
分类号:
Q943.1
DOI:
10.3969/j.issn.1001-7461.2022.05.17
文献标志码:
A
摘要:
 以“凤党”优株种子离体培养的无菌苗茎段为外植体，研究植物生长调节剂对其愈伤组织诱导及再分化的影响。结果表明，愈伤组织诱导的最适培养基为MS+0.5 mg·L-1 NAA+1.0 mg·L-1 6-BA，芽分化的最适培养基为MS+0.1 mg·L-1 NAA+0.5 mg·L-16-BA，生根的最适培养基为1/2 MS+0.2 mg·L-1 NAA+0.2 mg·L-1 IBA，愈伤组织诱导率、芽分化率及生根率分别可达91%、100%和97%。建立的离体再生植株快速繁殖体系，为“凤党”优异种质推广利用和工厂化育苗奠定了基础。
Abstract:
Codonopsis pilosula,a perennial species belongs to genus Codonopsis in family Campanulaceae，its root is a traditional tonic medicine used commonly in China.C.pilosula that is produced in Fengxian County of Shaanxi Province is named “Fengdang”,also famous for its rare and high quality.In this study,effects of different plant growth regulators on callus induction and redifferentiation were tested by using sterile stem explants in vitro that germinated from seeds of superior "Fengdang" plant.The results showed that the optimum medium for callus induction was MS with 0.5 mg·L-1 NAA+1.0 mg·L-1 6-BA.The optimal medium for bud differentiation was MS medium with 0.1 mg·L-1 NAA+0.5 mg·L-1 6-BA,while shoot rooting was best in the medium of 1/2 MS with 0.2 mg·L-1 NAA+0.2 mg·L-1 IBA medium.By using the media mentioned above,the rates of callus induction,bud differentiation and rooting could reach 91%,100% and 97%,respectively.The rapid propagation system of tissue culture established in this study laid foundation for high quality germplasm spread and utilization as well as industrial seedling of "Fengdang".

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备注/Memo

备注/Memo:
 收稿日期：2022-03-10修回日期：2022-05-06
基金项目：国家林业和草原局国家级科技推广项目（TG20200811）。
第一作者：李娟娟。研究方向：园林植物。E-mail：491707690@qq.com
*通信作者：周建云，高级实验师。研究方向：森林植物学。E-mail：442847784@qq.com
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