Table 1 Examples of studies comprising inoculation of various plant species with specific bacterial strains resulting in increased grain yield
Crop | Microorganism | Strains | Increase in grain yield compared with the non-inoculated control (%) | References |
|---|---|---|---|---|
Soybean | Bradyrhizobium japonicum | – | 4.5 | Hungria et al. (2001) |
B. japonicum | SEMIA 5079 and SEMIA 5080 | 8.4 | Hungria et al. (2013) | |
B. japonicum | 532 C and USDA 110 | 12–19 | Ulzen et al. (2016) | |
B. japonicum | – | 1.6–6.3 | Leggett et al. (2017) | |
Common beans | Rhizobium tropici | SEMIA 4080 (= PRF 81) | 31.6–36 | Hungria et al. (2000b) |
R. tropici | SEMIA 4080 | 8.3 | Hungria et al. (2013) | |
R. tropici | CPAO 12.5 L2 | 66 | Mercante et al. (2017) | |
Rhizobium leguminosarum sv. phaseoli | HB-429 | 48 | Samago et al. (2018) | |
Cowpea | B. japonicum | BR 3267 | 38.1 | Ulzen et al. (2016) |
Bradyrhizobium liaoningense | VIBA-1 | 54.8 | Padilla et al. (2016) | |
Bradyrhizobium yuanmingense | VIBA-2 | 38.3 | Padilla et al. (2016) | |
Faba beans | R. leguminosarum sv. viciae | NGB-FR 126 | 46.8–81.4 | Youseif et al. (2017) |
R. leguminosarum sv. vicieae | NSFBR-30 and HUFBR-15 | 5–75 | Argawa and Mnalku (2017) | |
Maize | Azospirillum brasilense | Ab-V5 and Ab-V6 | 27 | Hungria et al. (2010) |
A. brasilense | Ab-V5 | 29 | Ferreira et al. (2013) | |
A. brasilense | Ab-V5 and Ab-V6 | 14.3 | Galindo et al. (2019) | |
|  | Pseudomonas fluorescens | – | 29–31 | Sandini et al. (2019) |
Wheat | Bacillus polymyxa | Bp 4317 | 13.6–19.5 | Rodriguez-Caceres et al. (1996b) |
A. brasilense | Sp246 | 14.7 | Ozturk et al. (2003) | |
A. brasilense | Ab-V5 and Ab-V6 | 31 | Hungria et al. (2010) | |
A. brasilense | – | 18 | Karimi et al. (2018) | |
Rice | Burkholderia vietnamiensis | TVV75 | 22 | Tran et al. (2000) |
B. vietnamiensis | MGK3 | 12.1 | Govindarajan et al. (2007) | |
Tomato | A. brasilense | Sp-7 | 11 | Alfonso et al. (2005) |
P. fluorescens | SS5 | 57 | Ahirwar et al. (2015) | |
Co-inoculation | ||||
 Soybean | A. brasilense and B. japonicum | Ab-V5 and Ab-V6; SEMIA 5079 and SEMIA 5080 | 14.1 | Hungria et al. (2013) |
A. brasilense* and B. japonicum* | Ab-V5 and Ab-V6; SEMIA 5019 and SEMIA 5079 | 81.9 | Ferri et al. (2017) | |
 Common beans | A. brasilense* and R. tropici | Ab-V5 and Ab-V6; SEMIA 4080 | 19.6 | Hungria et al. (2013) |
 Wheat | Serratia marcescens, Microbacterium arborescens, and Enterobacter sp. | – | 24 | Kumar et al. (2017) |
 Rice | Klebsiella pneumoniae, P. fluorescens, and Citrobacter freundii | 4P, 1N and 3C | 17.5 | Nguyen et al. (2003) |
P. fluorescens, Bacillus subtilis, Bacillus amyloliquafaciens and Candida tropicalis | 1N, B9, E19 and HY | 26.7 | Nguyen (2008) | |
A. brasilense and P. fluorescens | – | 20.2 | de Salamone et al. (2012) | |