[1]吴 静,朱丽华,许建秀,等.抗松材线虫病赤松胚性愈伤组织的诱导及增殖[J].南京林业大学学报(自然科学版),2015,39(01):017-21.[doi:10.3969/j.issn.1000-2006.2015.01.004]
 WU Jing,ZHU Lihua,XU Jianxiu,et al.Induction and proliferation of embryogenic callus in nematode-resistant Pinus densiflora[J].Journal of Nanjing Forestry University(Natural Science Edition),2015,39(01):017-21.[doi:10.3969/j.issn.1000-2006.2015.01.004]
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抗松材线虫病赤松胚性愈伤组织的诱导及增殖
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
39
期数:
2015年01期
页码:
017-21
栏目:
专题报道
出版日期:
2015-01-30

文章信息/Info

Title:
Induction and proliferation of embryogenic callus in nematode-resistant Pinus densiflora
文章编号:
1000-2006(2015)01-0017-05
作者:
吴 静朱丽华许建秀吴小芹叶建仁*
南方现代林业协同创新中心,南京林业大学林学院,江苏 南京 210037
Author(s):
WU Jing ZHU LihuaXU Jianxiu WU Xiaoqin YE Jianren*
Collaborative Innovation Center of Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing 210037, China
关键词:
抗病赤松 未成熟合子胚 胚性愈伤组织 DCR培养基
Keywords:
nematode-resistant Pinus densiflora immature zygotic embryo embryogenic callus DCR medium
分类号:
S763; Q813
DOI:
10.3969/j.issn.1000-2006.2015.01.004
文献标志码:
A
摘要:
以抗松材线虫病赤松未成熟合子胚为外植体,研究了合子胚发育阶段、激素种类及浓度以及碳源等对胚性愈伤组织诱导的影响。结果表明:发育至2~4阶段的合子胚为胚性愈伤组织诱导的适宜外植体,2,4-D和6-BA是最优激素组合,麦芽糖比蔗糖、葡萄糖更有利于胚性愈伤组织的诱导。抗松材线虫病赤松胚性愈伤组织诱导率总体较低,以DCR为基本培养基,添加2 mg /L 2,4-D和1 mg /L 6-BA时诱导率最高为5.0%,诱导的胚性愈伤组织在增殖培养基上能够稳定增殖。
Abstract:
Embryogenic callus was induced from immature embryos of nematode-resistant Pinus densiflora. Factors affecting callus initiation were investigated. The results showed that successful initiation of embryogenic callus depended heavily on embryo developmental stage, the combination of auxin and cytokinins, and carbon source. The initiation of embryogenic callus worked best when immature mega gametophytes developed at stage 2-4 were used as starting material. The optimal combination of hormone was 2 mg /L 2,4-D and 1 mg /L 6-BA with the induction rate of 5%. Maltose was better than sucrose and glucose. Further proliferation of embryogenic callus was achieved by transfering explants to a medium with reduced levels of plant growth regulators.

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相似文献/References:

[1]许建秀,吴 静,叶建仁,等.抗松材线虫病赤松胚性愈伤组织的维持与稳定增殖[J].南京林业大学学报(自然科学版),2017,41(01):049.[doi:10.3969/j.issn.1000-2006.2017.01.008]
 XU Jianxiu,WU Jing,YE Jianren,et al.Maintenance and proliferation of embryogenic callus in nematode-resistant Pinus densiflora[J].Journal of Nanjing Forestry University(Natural Science Edition),2017,41(01):049.[doi:10.3969/j.issn.1000-2006.2017.01.008]

备注/Memo

备注/Memo:
收稿日期:2014-11-03 修回日期:2014-12-08
基金项目:国家林业局“948”项目(2011-04-69); 江苏省科技支撑计划(BE2014405); 江苏高校优势学科建设工程资助项目(PAPD)
第一作者:吴静,硕士。*通信作者:叶建仁,教授。E-mail: jrye@njfu.edu.cn。
引文格式:吴静,朱丽华,许建秀,等. 抗松材线虫病赤松胚性愈伤组织的诱导及增殖[J]. 南京林业大学学报:自然科学版,2015,39(1):17-21.
更新日期/Last Update: 2015-01-31