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Root hemiparasitism in Malania oleifera (Olacaceae), a neglected aspect in research of the highly valued tree species

文献类型：期刊论文

作者Li, Ai-Rong2,3; Mao, Ping1; Li, Yun-Ju4
刊名PLANT DIVERSITY
出版日期2019-10-01
卷号41期号:5页码:347-351
关键词Malania oleifera Tuberous structures Haustoria Root hemiparasitic plants Olacaceae
ISSN号2096-2703
DOI10.1016/j.pld.2019.09.003
通讯作者Li, Ai-Rong(airongli@mail.kib.ac.cn) ; Li, Yun-Ju(liyj1978@163.com)
英文摘要Malania oleifera (Olacaceae) is a valued tree species, mostly because its seeds have high precious fatty acid content (particularly nervonic acid). However, seedling mortality rates are often high and regeneration of this tree has been problematic, which greatly hinders its utilization at a large scale. Cultivation difficulties of some tree species in the family Olacaceae have been attributed to their root hemiparasitic habit. Prompted by field observations and the taxonomic proximity of M. oleifera to root hemiparasites in Olacaceae, we hypothesized that tuberous structures observed on the roots of M. oleifera are parasitic organs known as haustoria. To test this hypothesis, we collected root samples from M. oleifera plants of various ages and growth conditions, investigated the morphological and anatomical features of tuberous structures and their connections to neighboring roots. Our analyses confirmed that M. oleifera are root hemiparasites. To the best of our knowledge, this is the first empirical report on root hemiparasitism in M. oleifera. Because life strategies of root hemiparasitic plants differ greatly from autotrophic plants, the root hemiparasitic habit needs to be taken into account for successful seedling regeneration of M. oleifera. This study establishes the foundation for investigations into a long-neglected but essential aspect in research of these highly valued tree species. Copyright (C) 2019 Kunming Institute of Botany, Chinese Academy of Sciences. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.
WOS研究方向Plant Sciences
语种英语
WOS记录号WOS:000497462900008
源URL[http://ir.kib.ac.cn/handle/151853/70063]  
专题昆明植物研究所_资源植物与生物技术所级重点实验室
通讯作者Li, Ai-Rong; Li, Yun-Ju
作者单位1.Guangnan Forestry & Grassland Bur, Guangnan 663300, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Dept Econ Plants & Biotechnol, Yunnan Key Lab Wild Plant Resources, Kunming 650201, Yunnan, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Yunnan Key Lab Conservat Plant Species Extremely, Kunming 650201, Yunnan, Peoples R China
4.Yunnan Phosphate Chem Grp Co Ltd, State Phosphorus Resource Dev & Utilizat Engn Tec, Kunming, Yunnan, Peoples R China
推荐引用方式
GB/T 7714		 Li, Ai-Rong,Mao, Ping,Li, Yun-Ju. Root hemiparasitism in Malania oleifera (Olacaceae), a neglected aspect in research of the highly valued tree species[J]. PLANT DIVERSITY,2019,41(5):347-351.
APA Li, Ai-Rong,Mao, Ping,&Li, Yun-Ju.(2019).Root hemiparasitism in Malania oleifera (Olacaceae), a neglected aspect in research of the highly valued tree species.PLANT DIVERSITY,41(5),347-351.
MLA Li, Ai-Rong,et al."Root hemiparasitism in Malania oleifera (Olacaceae), a neglected aspect in research of the highly valued tree species".PLANT DIVERSITY 41.5(2019):347-351.

入库方式： OAI收割

来源：昆明植物研究所

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