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Zaller, JG; Frank, T; Drapela, T.
(2011): Soil sand content can alter effects of different taxa of mycorrhizal fungi on plant biomass production of grassland species
EUR J SOIL BIOL. 2011; 47(3): 175-181. FullText FullText_BOKU

In this greenhouse experiment we tested whether (i) ubiquitous arbuscular mycorrhizal fungi (AMF) taxa (Glomus claroideum, Glomus geosporum, Glomus intraradices, Glomus mosseae) singly and in a mixture differently affect growth and biomass production of four co-occurring grassland species (grass: Arrhenatherum elatius, non-leguminous forbs: Plantago lanceolata, Salvia pratensis and leguminous forb Trifolium pratense), and (ii) different soil sand contents alter AMF influence. We hypothesized that AMF effects on plants will increase with an increased AMF diversity and with increasing sand content. Percent AMF colonization of roots differed between plant species and AMF taxa and was higher with higher sand content. Plant growth responses to AMF were species-specific both regarding plants and AMF. Generally, biomass production of the non-leguminous forbs was the most responsive, the grass species the least and the legume intermediate both for AMF treatments and sand content. Across species, AMF influence on plant biomass increased with increasing soil sand content. Plant species growing in soil containing a mix of four AMF taxa showed similar growth responses than species in soil containing only one AMF taxon. These results suggest that both interference among AMF taxa and soil sand content can trigger the influence of AMF on plant production in grassland species. (C) 2011 Elsevier Masson SAS. All rights reserved.
Authors BOKU Wien:
Drapela Thomas
Frank Thomas
Zaller Johann

Find related publications in this database (Keywords)
AMF inoculation
AMF taxa
Biomass allocation
Plant biomass production
Soil texture
Plant growth responses
Root growth
Shoot growth

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