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Publication Type J
Authors Goncalves, D. R., R. Pena, G. Zotz and D. C. Albach
Title Effects of fungal inoculation on the growth of Salicornia (Amaranthaceae) under different salinity conditions
Source Symbiosis
Language English
Author Keywords Root endophytic fungi Stemphylium Alternaria Salt marsh Salicornia Salt stress dark septate endophytes maize zea-mays root endophytes plant-growth arbuscular-mycorrhizal phialocephala-fortinii salt tolerance stress europaea host Microbiology
Abstract Endophytic fungi are known to be present in roots of salt marsh plants, but their ecological role in this symbiosis is still largely unknown. Generally considered parasitic or saprophytic, they may still be mutualistic, at least under certain circumstances. Among salt marsh plants, Salicornia spp. are recognized as particularly salt-tolerant and their frequent colonization by root endophytes has also been reported. This study aimed to investigate whether the inoculation of Salicornia with different root endophytes isolated from field-collected Salicornia affects biomass production, nutrient uptake and photosynthesis (assessed via chlorophyll fluorescence). In addition, we investigated whether fungal inoculation confers tolerance to salt stress given that endophytes are suggested to increase salt tolerance and improve plant fitness in other less salt-tolerant plants. The inoculation of Salicornia with an isolate of the genus Stemphylium positively influenced total biomass production and nitrogen concentration in roots at optimum salinity condition (150 mM NaCl). However, under salt stress (650 mM NaCl), no significant effects of fungal inoculation on biomass production and photosynthesis were observed. Further, positive and negative effects of fungal inoculation on nutrient concentrations were observed in roots and shoots, respectively. Our results indicate that different endophytic fungi and their interaction result in distinct fungal species-specific plant growth responses of Salicornia under different growth conditions.
Author Address [Goncalves, Danilo Reis; Zotz, Gerhard; Albach, Dirk C.] Carl von Ossietzky Univ Oldenburg, Inst Biol & Environm Sci, Oldenburg, Germany. [Pena, Rodica] Univ Reading, Dept Sustainable Land Management, Reading, England. Goncalves, DR (corresponding author), Carl von Ossietzky Univ Oldenburg, Inst Biol & Environm Sci, Oldenburg, Germany. danilo.reis.goncalves@uni-oldenburg.de
ISSN 0334-5114
ISBN 0334-5114
29-Character Source Abbreviation Symbiosis
Publication Date Jun
Year Published 2021
Volume 84
Issue 2
Beginning Page 195-208
Digital Object Identifier (DOI) 10.1007/s13199-021-00783-3
Unique Article Identifier WOS:000664851000002

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