[1]雷佩雯,干诗颖,孙家怡,等.北江荛花茎段离体快速繁殖与叶片再生体系构建[J].浙江林业科技,2022,42(02):8-14.[doi:10.3969/j.issn.1001-3776.2022.02.002]
 LEI Pei-wen,GAN Shi-yin,SUN Jia-yi,et al.In vitro Propagation of Wikstroemia monnula from Stem and Leaf[J].Journal of Zhejiang Forestry Science and Technology,2022,42(02):8-14.[doi:10.3969/j.issn.1001-3776.2022.02.002]
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北江荛花茎段离体快速繁殖与叶片再生体系构建()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
42
期数:
2022年02期
页码:
8-14
栏目:
出版日期:
2022-03-25

文章信息/Info

Title:
In vitro Propagation of Wikstroemia monnula from Stem and Leaf
文章编号:
1001-3776(2022)02-0008-07
作者:
雷佩雯 12干诗颖12孙家怡12彭思娴12栾牧12高培军12
(1. 浙江农林大学省部共建亚热带森林培育国家重点实验室,浙江 杭州 311300;2. 浙江农林大学 林业与生物技术学院, 浙江 杭州 311300)
Author(s):
LEI Pei-wen12GAN Shi-yin12SUN Jia-yi12PENG Si-xian12LUAN Mu12GAO Pei-jun12
(1. State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou 311300, China; 2. College of Environment and Biotechnological, Zhejiang A & F University, Hangzhou 311300, China)
关键词:
北江荛花愈伤组织组织培养快速繁殖开化纸茎段叶片
Keywords:
Wikstroemia monnulas callus tissue culture rapid propagation Kaihua paper stem leaf
分类号:
Q943.1
DOI:
10.3969/j.issn.1001-3776.2022.02.002
文献标志码:
A
摘要:
开化纸产自浙江省的开化县,纸张细腻、柔软、不易折毁、可久藏,是现代古籍修复重要用纸。开化纸核 心造纸原料是荛花属Wikstroemia 植物,目前国内外尚无人工林种植,主要依靠采挖有限的野生资源和从菲律宾进 口干料,这已经严重影响开化纸的产业化发展。为了实现荛花种苗快速繁育,本研究以北江荛花Wikstroemia monnula 当年生幼嫩茎段和叶片为外植体进行组织培养,探索北江荛花组织培养最佳外植体消毒方式,外植体诱 导和分化、增殖、壮苗培养的最佳培养基配方。结果表明,用0.25% NaClO 溶液浸泡消毒10 min 为最佳消毒方式; 腋芽诱导培养基WPM + 0.01 mg·L-1 6-BA 可直接诱导茎段获得不定芽,腋芽诱导率达45.3%;愈伤组织诱导培养 基MS + 4 mg·L-1 TDZ + 2 mg·L-1 2,4-D的诱导效果最好,叶片愈伤组织诱导率可达65.1%,且在分化培养基MS +2.5 mg·L-1 TDZ + 1.0 mg·L-1 NAA 中分化出不定芽,诱导率为64.9%;增殖培养基WPM + 0.1 mg·L-1 6-BA + 0.1 mg·L-1 NAA 培养的组培苗增殖较好,增殖系数可达4.84;壮苗培养基WPM + 0.1 mg·L-1 6-BA + 0.1 mg·L-1 NAA + 1 000 mg·L-1 PVP 可提高增殖系数,达5.42。上述研究结果为荛花种苗快速繁育提供了重要的技术支持。
Abstract:
Tissue culture of current year leaf and stem of Wikstroemia monnula was conducted in Hangzhou, Zhejiang province. Experiments were carried out on different explant disinfections, medium for induction, differentiation, multiplication and cultivation. The results showed that the best disinfection method was to soak the explants in 0.25% sodium hypochlorite solution for 10 minutes. Induction medium of WPM+0.01 mg/L of 6-BA could introduce bud from 45.3% of the stem. MS+4 mg/L of TDZ+2 mg/L of 2,4-D had the highest callus induction ratio of 65.1%, and then MS+2.5 mg/L of TDZ+1.0 mg/L of NAA had bud induction of 64.9%. WPM+0.1 mg/L of 6-BA+0.1 mg/L of NAA had multiplication coefficient of 4.84, while WPM+0.1 mg/L of 6-BA+0. mg/L of NAA+1 000 mg/L of PVP could increase multiplication coefficient to 5.42.

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备注/Memo

备注/Memo:
收稿日期:2021-10-15;修回日期:2022-01-30
作者简介:雷佩雯,硕士研究生,从事林木种苗快速繁育研究;E-mail:332729472@qq.com;通信作者:高培军,副教授,博士,从事竹林 培育、森林培育研究;E-mail:316919866@qq.com。
更新日期/Last Update: 2022-03-20