[1]徐建恩,石从广,申亚梅,等.景宁木兰保护生物学研究进展[J].浙江林业科技,2022,42(03):97-100.[doi:10.3969/j.issn.1001-3776.2022.03.017]
 XU Jian-en,SHI Cong-guang,SHEN Ya-mei,et al.Advances in Conservation Biology of Magnolia sinostellata[J].Journal of Zhejiang Forestry Science and Technology,2022,42(03):97-100.[doi:10.3969/j.issn.1001-3776.2022.03.017]
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景宁木兰保护生物学研究进展()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
42
期数:
2022年03期
页码:
97-100
栏目:
专题综述
出版日期:
2022-05-15

文章信息/Info

Title:
Advances in Conservation Biology of Magnolia sinostellata
文章编号:
1001-3776(2022)03-0097-05
作者:
徐建恩1石从广2申亚梅3仇建习4李因刚2诸葛菲2周伟琴1杨伟丽4
(1. 丽水市莲都区峰源林业工作中心站,浙江丽水 323000;2. 浙江省林业科学研究院,浙江杭州 310023;3. 浙江农林大学 风景园林与建筑学院,浙江杭州 311300; 4. 丽水市莲都区生态林业发展中心,浙江丽水 323000)
Author(s):
XU Jian-en3SHI Cong-guang1SHEN Ya-mei2QIU Jian-xi4LI Yin-gang1ZHUGE Fei1ZHOU Wei-qin3YANG Wei-li4
(1. Lishui Liandu Fengyuan Forestry Station of Zhejiang, Lishui 323000, China; 2. Zhejiang Academy of Forestry, Hangzhou 310023, China; 3. College of Landscape, A & F University, Hangzhou 311300, China; 4. Lishui Liandu Ecological Forestry Development Center of Zhejiang, Lishui 323000, China)
关键词:
景宁木兰群落逆境生理遗传多样性濒危无性繁殖
Keywords:
Magnolia sinostellata community stress physiology genetic diversity endangered asexual reproduction
分类号:
Q949.9
DOI:
10.3969/j.issn.1001-3776.2022.03.017
文献标志码:
A
摘要:
景宁木兰Magnolia sinostellata 是浙江特有种,为浙江省重点保护濒危植物。本文从分布特征、繁育系统、 遗传多样性、逆境胁迫等方面综述了过去30 余年(1984 年首次被发现至2021 年)国内外学者对于景宁木兰的保 护生物学研究的成果,梳理了景宁木兰濒危的主要原因:(1)花粉进入柱头后存在受精障碍导致自交和杂交不育 或少育;(2)群落结构单一且不稳定;(3)群落形成的遮阴削弱了景宁木兰幼苗的生长势。探讨了目前的研究 存在的问题,认为对于景宁木兰雌雄配子体和胚胎发育的研究仍存在空白,无性繁殖技术体系还不成熟,缺少景 宁木兰与其他物种的种间关联研究。提出今后应综合各学科的技术手段对景宁木兰开展长期且系统的监测研究, 以期更深入地了解景宁木兰的濒危机制,为景宁木兰的保护和繁育提供理论依据。
Abstract:
Reviews were made on research achievements on conservation biology of Magnolia sinostellata in the past 30 years (from 1984 when it was first reported to 2021) in terms of distribution characteristics, breeding system, genetic diversity and adversity stress. There were three reasons for it to be endangered. Fertilization barriers after pollen entered the stigma lead to self-pollination and hybrid sterility or hypo fertility. The community structure was single and unstable. The shading caused by community formation weakened the growth potential of M. sinostellata seedlings. Challenges needed to be faced, such as no researches on male and female gametophyte and embryo of M. sinostellata, interspecific relationship between M. sinostellata and other species, not mature asexual reproduction technology system. Recommendations were put forwarded on further long and systematic monitoring on dynamics of M. sinostellata population for better understanding its endangered mechanism.

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备注/Memo

备注/Memo:
收稿日期:2021-12-06;修回日期:2022-02-17
基金项目:国家自然科学基金资助项目(31800539);浙江省景宁木兰珍稀濒危野生植物保护繁育研究
作者简介:徐建恩,工程师,从事森林资源监测研究;E-mail:2783236079@qq.com。通信作者:石从广,博士,副研究员,从事林木遗传 育种研究;E-mail:419782450@qq.com。
更新日期/Last Update: 2022-05-15