Table 1.
Natural variation in symbiosis specificity in M. truncatula*
| Plant genotypes |
Rhizobial strains |
Plant genotypes |
Rhizobial strains |
||||
|---|---|---|---|---|---|---|---|
| NGR247 | NGR34 | Rm41 | NGR247 | NGR34 | Rm41 | ||
| A17 |
Fix- |
Fix+ |
Fix- |
ESP165-D |
Fix- |
Fix+ |
Fix- |
| A20 |
Fix+ |
Fix- |
Fix+ |
F11.005-E |
Fix+ |
Fix- |
Fix+ |
| Borung |
Fix- |
Fix- |
Fix+ |
F11.013-3 |
Fix+ |
Fix- |
Fix+ |
| Caliph-A |
Fix+ |
Fix- |
Fix+ |
F20047-A |
Fix+ |
Fix- |
Fix+ |
| Cyprus-C |
Fix+ |
Fix+ |
Fix+ |
F20061-A |
Fix+ |
Fix- |
Fix+ |
| DZA055-H |
Fix- |
Fix- |
Fix+ |
F20089-B |
Fix+ |
Fix- |
Fix+ |
| DZA105-1 |
Fix+ |
Fix+ |
Fix+ |
F34.042-D |
Fix- |
Fix- |
Fix+ |
| DZA220 |
Fix+ |
Fix+ |
Fix+ |
F83005.5 |
Fix- |
Fix- |
Nod- |
| DZA222 |
Fix- |
Fix+ |
Fix+ |
GRC020B |
Fix+ |
Fix+ |
Fix+ |
| DZA233-4 |
Fix+ |
Fix- |
Fix+ |
GRC043-1 |
Fix- |
Fix+ |
Fix+ |
| DZA315-16 |
Fix- |
Fix+ |
Fix+ |
GRC064-B |
Fix+ |
Fix- |
Fix+ |
| DZA327-7 |
Fix+ |
Fix+ |
Fix+ |
Harbinger |
Fix+ |
Fix+ |
Fix+ |
| DZA045.5 |
Fix- |
Fix- |
Fix+ |
Paraggio |
Fix+ |
Fix- |
Fix+ |
| ESP105-L |
Fix- |
Fix+ |
Fix- |
Sephi-A |
Fix- |
Fix- |
Fix+ |
| ESP158-A |
Fix- |
Fix+ |
Fix- |
Turkey |
Fix- |
Fix- |
Nod- |
| ESP159-11 | Fix- | Fix+ | Fix- | ||||
*Fix + = pink cylindrical nodules colonized by bacteria able to fix nitrogen; Fix- = small, white and round nodules colonized by bacteria unable to fix nitrogen; Nod- = roots unable to form nodules.