PJB-2022-397
Comparative and interactive effects of Arbuscular mycorrhiza fungi (AMF) and Plant growth promoting rhizobacteria (PGPR) on physiology of wheat under salt stress
Faiz ul Sabah
Abstract
Present investigation was conducted to evaluate the effect of plant growth promoting rhizobacteria (PGPR) and Arbuscular mycorrhiza fungi (AMF), Glomus mixture alone and in combination to alleviate the salinity stress in wheat variety (AAS 11). Sterilized seeds were soaked in culture of Staphylococcus sciuri and Bacillus cereus for 2 to 4 h prior to sowing. Fungal inocula (Glomus mixture) was also mixed in pots with soil in 1:9 ratio. Plants after grown in an incubator under controlled conditions. Seed bacterization of wheat with plant growth promoting microbes Both the PGPR have improved plant biomass, relative water content, leaf area, enhanced proline production and resulted in an increase of antioxidant enzymes SOD, POD, catalase etc. activities. The inoculation with a mixture of Glomus species as well as its co-inoculation with bacterial strains was found to be the most effective in terms of growth, biochemical and physiological parameters of plants under salinity stress. It is inferred that plant growth promoting rhizobacteria act synergistically with Arbuscular Mycorrhizal Fungi (Glomus sp.) in alleviating salinity stress.
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