Host identity and functional traits determine the community composition of the arbuscular mycorrhizal fungi in facultative epiphytic plant species

被引：23

作者：

Alguacil, M. M. ^{[1
,3
]}

Diaz, G. ^{[2
]}

Torres, P. ^{[2
]}

Rodriguez-Caballero, G. ^{[3
]}

Roldan, A. ^{[3
]}

机构：

[1] Estn Expt Zaidin CSIC, Soil Microbiol & Symbiot Syst Dept, Profesor Albareda 1, Granada, Spain

[2] Univ Miguel Hernandez, Dept Biol Aplicada, Area Bot, Avda Univ S-N, Alicante 03202, Spain

[3] CEBAS CSIC, Soil & Water Conservat Dept, Campus Univ Espinardo, Murcia, Spain

来源：

FUNGAL ECOLOGY | 2019年 / 39卷

关键词：

Facultative epiphytes; Arbuscular mycorrhizal fungi; Diversity; SSU rDNA; Semi-arid ecosystems; DISTRIBUTION PATTERNS; VASCULAR EPIPHYTES; AMF DIVERSITY; ROOTS; ASSOCIATIONS; REVEALS; FERNS; TERRESTRIAL; ASSEMBLAGES; SPECIFICITY;

D O I：

10.1016/j.funeco.2019.02.002

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

The epiphytic vascular mycobiota is scarce and facultative in semi-arid Mediterranean ecosystems. However, unlike in soil conditions, little is known about the factors driving mycorrhizal communities in epiphytic environments. Here, we investigated the arbuscular mycorrhizal fungi (AMF) harboured by 31 plant species occurring on the trunks of Phoenix dactylifera. We wanted to ascertain if host identity and plant functional traits shape mycorrhizal communities. Specifically, we tested the plant life-cycle (perennial versus annual), the plant life-form (herbaceous versus woody), the plant origin (exotic versus native) and the plant species. The plant affiliation to species strongly influenced the AMF community composition. Plant life-form and plant life-cycle also shaped indicator taxa. The AMF structure differed between annual and perennial species and higher AMF richness was detected in perennial plants. The epiphytic plants associated with AMF irrespective of whether they were native or not, probably because here no functional differences derive from plant origin. (C) 2019 Elsevier Ltd and British Mycological Society. All rights reserved.

引用

页码：307 / 315

页数：9

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