Effects of elevated carbon dioxide and arbuscular mycorrhizal infection on Trifolium repens

The New Phytologist
M JongenM B Jones

Abstract

Trifolium repens L. cv. aran was grown for 58 d at ambient (350 μol mol(-1) ) and elevated (700 μol mol(-1) ) atmospheric CO2 , wish and without the arbuscular mycorrhizal fungus Glomus mosseae (Nicol. & Gerd.) Gerd. & Trappe cv. YV. Plant biomass, mycorrhizal infection, non-structural carbohydrates, C, N and P content were examined. Elevated CO2 (a) significantly increased above- and below-ground biomass, (b) decreased specific leaf area and specific root length, (c) decreased tissue %N and increased the C:N ratio, and (d) significantly increased total non-structural carbohydrates. Inoculating T. ripens with Glomus mosseae (a) significantly increased above- and below-ground biomass. (b) increased the total root length and total leaf area, and (c) significantly decreased tissue of Evidence of an increased influence of mycorrhiza on the P nutrition of T. repens at elevated CO2 was found in the 22%, increase in leaf total P (P < 005) of mycorrhizal plants grown at elevated CO2 compared with non-mycorrhizal plants. No significant interactions were found between CO2 and mycorrhiza treatments. The proportion of T. repens root length colonized by Glomus mosseae was not affected by CO2 concentration. The percentage mycorrhizal infecti...Continue Reading

References

Apr 1, 1990·Plant Physiology·J P ConroyE W Barlow

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Citations

Nov 1, 1998·Trends in Ecology & Evolution·P L Staddon, A H Fitter
Aug 17, 2005·The New Phytologist·Odair AlbertonAntonie Gorissen
Apr 20, 2004·Environmental Pollution·J W Cairney, A A Meharg
Sep 14, 2018·FEMS Microbiology Ecology·Te Anne Cotton
Aug 1, 2007·Functional Plant Biology : FPB·Timothy R CavagnaroLouise E Jackson
Sep 14, 2018·The Science of the Total Environment·Chenjun DuYongheng Gao

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