# Plant-Growth-Promoting Bacteria Mitigating Soil Salinity Stress in Plants
## 5 Role of PGPB in Alleviating Salinity Stress to Plants
### PGPB Support Nutrient Acquisition in Plants
#### 5.2.3 Iron Mobilization
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**Plant** & **Beneficial Effects(s)** & **Halotolerant PGRP** & **PCP-Traits** & **Conditions** & **Source** \\ \hline \multirow{2}{*}{_Phaseolus vulgaris_} & enhanced growth, yield, and & _ Bacillus subtilis_ MTCC 441 and & & & greenhouse, pots, soil, and \\  & biochemical activity & _Pseudomonas fluorescence_ MTCC & - & & vermicomopol, 150 mM NaCl \\  & & \(103^{1}\) & & & growth chamber, pots, \\ \hline \multirow{2}{*}{_Anchalis hypogao_} & \multirow{2}{*}{shoot and root growth promotion} & _Octhroketrum internalization_ & IAA, siderophores & & \\  & & & & sterilized nitrogen-free & [68] \\  & & & & vermiculite & \\ \hline \multirow{2}{*}{_Zat mays_} & increase of growth, seed germination & & & greenhouse, pots, \\  & rate, photosynthetic capacity, & _Kecura rhizella_ Y1 (10\% NaCl) & P solubilization, IAA & & soil:vermiculite/perlite \\  & antioxidant levels, relative water content, chlorophyll & & & (2:2:1), 100 and 200 mM NaCl \\ \hline \multirow{2}{*}{_Sulla carnosa_} & improved growth, nutrition, and salt & _ Bacillus subtilis_ & IAA, urease, alkaline & & \\  & tolerance & & phosphate, \(\beta\)-glucosidase & & \\  & & and dehydrogenase & & & mixture, 200 mM NaCl \\ \hline \multirow{2}{*}{_Hordeum vulgare_} & \multirow{2}{*}{improved growth} & _Cutobacterium faccumfications_ E108 & IAA, phosphate mobilization & & & greenhouse, tonsubart ED \\  & & & & & NaCl \\ \hline \multirow{2}{*}{_Tritcium aestivum_} & \multirow{2}{*}{increased biomass} & \multirow{2}{*}{11 isolates, 8\% NaCl} & EPS and auxin production, & & & \\  & & & phosphate solubilization & & 1\% NaCl \\ \hline \multirow{2}{*}{_Oryza sativa_} & \multirow{2}{*}{increased growth and tolerance to salt} & _ Bacillus amyloidefaciens_ & ACC deaminase, root & & hydrophomics and soil, \\  & & NBRISN13, 50–2500 mM NaCl & & colonization & 100–300 mM NaCl \\ \hline \multirow{2}{*}{_Glycine max_} & \multirow{2}{*}{plant growth and performance} & _ Bacillus firms_ SW5, 500 mM NaCl & IAA, siderophores, phosphate & & \\  & & & mobilization & & hydrophomics, 80 mM NaCl \\ \hline \multirow{2}{*}{_Zat mays_} & improved plant growth and mineral & _Azobacter dravecccom_ C5 \& C9, & N fixation, phosphate & greenhouse, pots, soil, 0.58\% \\  & & nutrition & 5.8\% NaCl & solubilization, auxin & NaCl \\ \hline \multirow{2}{*}{_Helianthus_} & \multirow{2}{*}{plant biomass, improved K\({}^{*}\)/Na\({}^{*}\) ratio} & _P, fluorescens_ hottype F, P. & & & \\  & & _fluorescens_ CECT 378 \& T, 50 mM & IAA, siderophores & growth chamber, pots, \\  & & & NaCl & & soil:peat (1:1), 100 mM NaCl \\ \hline \multirow{2}{*}{_Lyopersicum_} & \multirow{2}{*}{increased salt tolerance in tomato, } & _Sphingobacterium sp._ BHU-AV3, & IAA, siderophores, phosphate & & \\  & & root length, & 0.85 M NaCl & & stabilization & 200 mM NaCl \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Studies showing the application of plant-growth-promoting bacteria (PCFB) to alleviate plant growth and salinity tolerance.