Table 4 Differential OTUs from DESeq2 analysis to identify candidate causal agents for ARD and beneficial microorganisms working against ARD through the following comparison: (ARD rootstocks at Tree Station + Non-ARD rootstocks in Alleyway)—(Non-ARD rootstocks at Tree Station + ARD rootstocks in Alleyway) [namely the interaction between ARD genotypes and position]
DESeq2 model | SINTAX species/taxa* | BLAST taxonomy | Ecology | Base mean | LFC | P value |
|---|---|---|---|---|---|---|
Fungal candidate causal agents | ||||||
| Â | Russula (g) | Russula praetervisa | Saprophyte | 2012.9 | 0.033 | 0.026 |
| Â | Sebacinales (o) | Uncultured Sebacina isolate | Unknown | 121.1 | 1.669 | 0.033 |
| Â | Unknown Fungi (k) | Unknown Fungi | Unknown | 43.9 | 0.041 | 0.065 |
Beneficial fungal candidates | ||||||
|  | Pleosporales (o) | Pteridiospora spinosispora | Isolated from mycorrhizae of sweetgum | 4997.6 | − 0.129 | 0.026 |
|  | Agaricomycetes (c) | Uncultured Agaricaceae | Unknown | 1581.6 | − 0.069 | 0.094 |
|  | Unknown Fungi (k) | Unknown Fungi | Unknown | 48.7 | − 1.492 | 0.018 |
|  | Unknown Fungi (k) | Unknown Fungi | Unknown | 67.0 | − 0.114 | 0.018 |
|  | Paraglomerales (o) | Paraglomus laccatum | Mycorrhizae | 33.9 | − 0.073 | 0.065 |
|  | Ascomycota (p) | Uncultured Podospora | Saprophyte | 51.2 | − 0.098 | 0.094 |
|  | Apiosporaceae (f) | Arthrinium arundinis | Saprophyte/Endophyte/Plant pathogen of barley | 122.6 | − 1.502 | 0.026 |
|  | Hypocreales (o) | Uncultured Hypocreales | Unknown | 87.3 | − 0.126 | 0.086 |