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Roots and arbuscular mycorrhizal fungi are independent in nutrient foraging across subtropical tree species
Liu, Bitao1; Li, Liang2,3; Rengel, Zed4; Tian, Jing2,3; Li, Hongbo5; Lu, Mingzhen6
2019-09-01
Source PublicationPLANT AND SOIL
ISSN0032-079X
Volume442Issue:1-2Pages:97-112
Corresponding AuthorLi, Hongbo(lihongboxy@163.com)
AbstractAims Plant species with thin roots and high root-growth rate are thought to have greater root foraging precision than species with thick roots and low root-growth rate. However, whether root morphological traits (such as root diameter) are correlated with foraging precision of roots and mycorrhizal fungi in heterogeneous nutrient environments across tree species remains unclear. Methods We examined 13 coexisting arbuscular mycorrhizal subtropical tree species, measured functional traits of roots, leaves and mycorrhizal fungi and assessed foraging precision of roots and mycorrhizal fungi in response to different nutrient patches using an in situ root-bag approach. Results Thin-root species had greater specific root length and root growth rate than thick-root species, but they showed similar root and mycorrhizal hyphae foraging precisions. As root diameter increased, root foraging precision exhibited the U-shape patterns in the nitrogen and phosphorus patches, but hyphal foraging precision showed a slightly increasing trend only in the nitrogen patch. Foraging precisions of roots and hyphae were independent, and were not influenced by plant traits across species. Conclusions Our findings challenge the notion that thin-root species with high root growth rate have greater foraging precision, suggesting that root morphological traits may not be correlated with the variation in foraging strategies of roots and mycorrhizal hyphae.
KeywordMycorrhizal hyphae Root morphology Functional traits Growth rate Nutrient patches Plant coexistence Root foraging precision Mycorrhizal hyphae foraging precision
DOI10.1007/s11104-019-04161-3
WOS KeywordFINE ROOTS ; FUNCTIONAL TRAITS ; PLANT ; STRATEGIES ; RESPONSES ; NITROGEN ; MORPHOLOGY ; ACQUISITION ; PLASTICITY ; EVOLUTION
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31700382] ; National Natural Science Foundation of China[41571130041]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaAgriculture ; Plant Sciences
WOS SubjectAgronomy ; Plant Sciences ; Soil Science
WOS IDWOS:000485324700006
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/69668
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, Hongbo
Affiliation1.Shanxi Agr Univ, Coll Forestry, Taigu 030801, Shanxi, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Univ Western Australia, UWA Sch Agr & Environm, Soil Sci & Plant Nutr, Perth, WA 6009, Australia
5.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China
6.Princeton Univ, Dept Ecol & Evolutionary Biol, Princeton, NJ 08544 USA
Recommended Citation
GB/T 7714
Liu, Bitao,Li, Liang,Rengel, Zed,et al. Roots and arbuscular mycorrhizal fungi are independent in nutrient foraging across subtropical tree species[J]. PLANT AND SOIL,2019,442(1-2):97-112.
APA Liu, Bitao,Li, Liang,Rengel, Zed,Tian, Jing,Li, Hongbo,&Lu, Mingzhen.(2019).Roots and arbuscular mycorrhizal fungi are independent in nutrient foraging across subtropical tree species.PLANT AND SOIL,442(1-2),97-112.
MLA Liu, Bitao,et al."Roots and arbuscular mycorrhizal fungi are independent in nutrient foraging across subtropical tree species".PLANT AND SOIL 442.1-2(2019):97-112.
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