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Root hemiparasitism in Malania oleifera (Olacaceae), a neglected aspect in research of the highly valued tree species
Li, Ai-Rong1,2; Mao, Ping3; Li, Yun-Ju4
Corresponding AuthorLi, Ai-Rong(airongli@mail.kib.ac.cn) ; Li, Yun-Ju(liyj1978@163.com)
2019-10-01
Source PublicationPLANT DIVERSITY
ISSN2096-2703
Volume41Issue:5Pages:347-351
AbstractMalania 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.
KeywordMalania oleifera Tuberous structures Haustoria Root hemiparasitic plants Olacaceae
DOI10.1016/j.pld.2019.09.003
Indexed BySCI ; SCI
Language英语
WOS IDWOS:000497462900008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/70064
Collection资源植物与生物技术所级重点实验室
Corresponding AuthorLi, Ai-Rong; Li, Yun-Ju
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Dept Econ Plants & Biotechnol, Yunnan Key Lab Wild Plant Resources, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Yunnan Key Lab Conservat Plant Species Extremely, Kunming 650201, Yunnan, Peoples R China
3.Guangnan Forestry & Grassland Bur, Guangnan 663300, Peoples R China
4.Yunnan Phosphate Chem Grp Co Ltd, State Phosphorus Resource Dev & Utilizat Engn Tec, Kunming, Yunnan, Peoples R China
Recommended Citation
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.
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