Table 2.

Effect of glycine betaine and choline (1 mM) on growth of rhizobial species in LAS minimal medium with added NaCl

SpeciesNaCl added (M)Osmoprotection by:
ControlGlycine betaineCholine
RateaYieldbRateYieldRateYield
R. leguminosarum bv. viciae0.1 NGc NGNG
R. leguminosarum bv. trifolii0.1NGNGNG
R. leguminosarum bv. phaseoli0.1NGNGNG
R. tropici IIA0.16.7159.3468.560
R. tropici IIB0.24.4304.81005.0100
A. rhizogenes 0.1NGNGNG
S. meliloti 0.53.17.81006.2100
S. fredii 0.25.9657.9458.258
R. etli 0.1NGNGNG
R. galegae 0.12.5153.81004.3100
A. tumefaciens 0.52.93.3463.453
M. loti 0.12.9205.71004.8100
M. huakuii 0.22.7353.3243.748
B. japonicum 0.1NGNGNG
  • a,b,c See Table 1, footnotes a,b, and d, respectively.