PJB-2024-34
Protective role of rhizobia and vesicular-arbuscularmycorrhizae (VAM) against salinity stress of soybean (Glycine max)
Urooj Muhammad Sharif
Abstract
Exposure to salinity caused significant growth retardation of soybean plants as compared to plants grown in normal conditions. Coupled inoculation of Rhizobia and Vesicular-ArbuscularMycorrhizae (VAM) was used for plant growth enhancement and decreased salinity affect when plants compared to un-stressed. In coupled inoculation, of beneficial bacteria and fungi, plants grow faster and healthier than without inoculated plants or the plants inoculated either with a single treatment. In present study, single and coupled-inoculation of rhizobial strains and VAM spores (NFB-301+VAM, NFB-302+VAM, and NFB-303+VAM) showeda significant increase in nitrogen% and phosphorus% of plants respectively whilepost-harvest investigation also showed greater number of VAM spores and nodules formation in plants grown in saline condition. Results of non-inoculated and single inoculated plants indicated the huge decreased in leaf area and plant’s relative water content due to injury caused by salinity but in coupled (rhizobia and VAM) inoculation the results are vice versa.In salinity stressed plants,dual inoculation of rhizobia and VAM significantly improve the synthesis of protein content, carbohydrate content, and poly-phenol when compared to control one.
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