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.
Data have been log10 transformed to meet the assumptions for ANOVA.
Data have been arcsine-square-root transformed to meet the assumptions for ANOVA.