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Nitrogenase activities and nodulation of the R. etli wild type and fnrN mutants
| Strain | Relevant genotype | Acetylene reduction activity (μmol of ethylene/plant/h)a | No. of nodules/planta |
|---|---|---|---|
| CNPAF512 | Wild type | 9.5 (2.8) | 199 (31) |
| FAJ1182 | fnrN | 2 (1.0) | 204 (50) |
| FAJ1183 | fnrN | 2.3 (1.0) | NDb |
The data are the means of at least 10 replicates, and the results were confirmed independently in separate experiments. The values in parentheses are standard deviations.
ND, not determined.
