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. 2013 Apr 17;3:21. doi: 10.1186/2191-0855-3-21

Table 4.

Nodulation [nodule number (NN) and dry weight (NDW)], shoot dry weight (SDW), N concentration (NC) and total N accumulated in shoots (TNS) and grain yield of soybean cultivar BMX Potência RR inoculated or not with Bradyrhizobium japonicum CPAC 15 + B. diazoefficiens CPAC 7 and supplemented or not with genistein (5 μM) or concentrated metabolites (CM) of B. diazoefficiens USDA 110 (BD1) or Rhizobium tropici CIAT 899 (RT1). Experiments performed in two field sites in Brazil

Treatments
 Bonito
 Ponta Grossa
 
 V4
 R2
 Maturity
 V4
 R2
 Maturity
 
 NN
 NDW
 SDW
 NC
 TNS
 Yield
 NN
 NDW
 SDW
 NC
 TNS
 Yield
  (# pl–1) (mg pl–1) (g pl–1) (mg N g–1) (mg N pl–1) (kg ha–1) (# pl–1) (mg pl–1) (g pl–1) (mg N g–1) (mg N pl–1) (kg ha–1)`
Non-inoculated control
 10.4 ab2
 43.2 b
 18.4 ab
 20.2 a
 371 b
 2701 b
 45.7a
 163 ab
 10.4 ab
 36.5 a
 379 a
 3166 a
Inoculated with Bradyrhizobium
 15.1 ab
 68.4 a
 13.3 ab
 20.4 a
 271 c
 2703 b
 42.0 a
 149 b
 10.4 ab
 35.1 ab
 365 a
 3191 a
Inoculated + genistein
 10.7 ab
 43.6 b
 14.4 ab
 20.2 a
 290 c
 2737 ab
 48.7a
 171 ab
 12.3 a
 32.0 b
 393 a
 3337 a
Inoculated + CM-BD1 (1 mL L–1)1
 18.2 a
 65.4 a
 17.4 ab
 17.6 a
 306 c
 2750 ab
 52.5 a
 206 a
 12.1 a
 34.6 ab
 418 a
 3359 a
Inoculated + CM-BD1 (0.1 mL L–1)
 16.0 a
 68.1 a
 19.8 ab
 17.6 a
 348 b
 2906 a
 57.8 a
 212 a
 11.3 ab
 34.6 ab
 390 a
 3275 a
Inoculated + CM-RT1 (1 mL L–1)
 7.3 b
 25.1 c
 10.4 b
 16.8 a
 174 d
 2641 b
 45.3 a
 170 ab
 9.2 ab
 33.4 ab
 307 a
 3202 a
Inoculated + CM-RT1 (0.1 mL L–1) 13.4 ab 69.9 a 23.4 a 18.1 a 423 a 2817 ab 46.8 a 162 ab 8.9 b 35.3 ab 314 a 3253 a

1 0.1 and 1.0 mL L–1 correspond to approximately 10–9 and 10–8 M of active compounds, respectively.

2 Data represent the means of six replicates and when followed by different letters within the same column are significantly different (p ≤ 0.05, Duncan’s test).