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. 2015 Nov 27;10(6):1514–1526. doi: 10.1038/ismej.2015.204

Table 1. Summary of differences in mycorrhizal functionality (F ratio from ANOVA) between Neohodgsonia, Alisonia, Haplomitrium, Treubia, Preissia and Marchantia at elevated a[CO2] (1500 p.p.m.) and ambient a[CO2] (440 p.p.m.).

  df Plant species CO2 treatment Species × CO2
Biomass (g) 1, 30 16.276*** 18.911*** 1.937
Fungal carbon in cores (ng)a 1, 54 14.042*** 31.334*** 5.087***
Percentage of carbon allocationb 1, 54 5.756*** 13.900*** 3.278*
Total 33P uptake (ng)b 1, 30 4.498** 5.714* 6.483***
[33P] in plant tissue (ng g−1) 1, 36 6.259*** 3.142 3.857*
Total 15N uptake (ng) 1, 20 1.889 0.953 0.822
[15N] in plant tissue (ng g−1)a 1, 20 0.235 1.147 1.304
33P-for-C efficiency (ng ng−1) 1, 36 46.220*** 0.885 31.747***
15N-for-C efficiency (ng ng−1) 1, 20 0.413 13.523** 1.913

Abbreviations: ANOVA, analysis of variance; p.p.m., parts per million. *P<0.05, **P<0.01, ***P<0.001; post-hoc Tukey's test.

a

Data have been log10 transformed to meet the assumptions for ANOVA.

b

Data have been arcsine-square-root transformed to meet the assumptions for ANOVA.