Table 1.
Overview of the general topics in studies assessing the microbiome of cereals. The numbers in brackets represent the absolute numbers of entries for the specific topics, while the percentages were calculated by dividing absolute numbers by the total number of entries
| Topic | Wheat | Maize | Rice | Barley |
|---|---|---|---|---|
| Total number of papers | 103 | 101 | 91 | 23 |
| Total number of entries | 164 | 155 | 143 | 40 |
| Comparative assessments | 32.3% (53) | 31.0% (48) | 36.4% (52) | 40.0% (16) |
| Agronomic management | 15.2% (25) | 14.2% (22) | 11.2% (16) | 10.0% (4) |
| Fertilizers | 9.1% (15) | 16.8% (26) | 4.9% (7) | 7.5% (3) |
| Environmental impacts | 13.4% (22) | 7.7% (12) | 11.9% (17) | 12.5% (5) |
| Soil contaminations | 1.8% (3) | 1.3% (2) | 9.1% (13) | 5.0% (2) |
| Plant metabolites | 1.2% (2) | 4.5% (7) | 2.1% (3) | 0 |
| Abiotic stress | 4.3% (7) | 1.9% (3) | 2.8% (4) | 7.5% (3) |
| Transgenic plants | 0 | 2.6% (4) | 2.1% (3) | 0 |
| Evolution, Transmission, Breeding | 7.9% (13) | 5.2% (8) | 7.0% (10) | 10.0% (4) |
| Pesticides | 4.9% (8) | 2.6% (4) | 3.5% (5) | 2.5% (1) |
| Pathogens | 4.9% (8) | 4.5% (7) | 4.2% (6) | 2.5% (1) |
| Biocontrol and Biostimuli | 4.9% (8) | 7.7% (12) | 4.9% (7) | 2.5% (1) |