TABLE 1.
Bradyrhizobial strains originating from A. indica used in this study
| USDA strain | Origin | Bchl phenotypea |
|---|---|---|
| USDA 4363 | New Delhi, India | 2 |
| USDA 4366 | New Delhi, India | 3 |
| USDA 4371 | Maryland, United States | 2 |
| USDA 4379 | Amazonas, Brazil | 3 |
| USDA 4393 | Babungo, Cameroon | 1 |
| USDA 4399 | Maryland, United States | 2 |
| USDA 4406 | France | 1 |
| USDA 4409 | Ibadan, Nigeria | 1 |
| USDA 4410 | Ibadan, Nigeria | 3 |
| USDA 4415 | Lampung, Indonesia | 1 |
| USDA 4421 | Tamil Nadu, India | 1 |
| USDA 4424 | Louisiana, United States | 2 |
| USDA 4430 | Ibadan, Nigeria | - |
| USDA 4435 | Maryland, United States | 1 |
| USDA 4440 | Marondera, Zimbabwe | 1 |
a
Phenotypes: 1, no pigment formation; 2, pigment formation during day-night cycle; 3, pigment formation in the dark (29). -, Unknown.