Combined Application of Citric Acid and Cr Resistant Microbes Improved Castor Bean Growth and Photosynthesis while It Alleviated Cr Toxicity by Reducing Cr+6 to Cr3+
Abstract:Chromium is highly harmful to plants because of its detrimental effects on the availability of vital nutrients and secondary metabolites required for proper plant growth and development. A hydroponic experiment was carried out to analyze the effect of citric acid on castor bean plants under chromium stress. Furthermore, the role of two chromium-resistant microorganisms, Bacillus subtilis and Staphylococcus aureus, in reducing Cr toxicity was investigated. Different amounts of chromium (0 µM, 100 µM, 200 µM) an… Show more
“…Soil bacteria develop a continual contact with the pollutants present in the soil or in the polluted water used for irrigation [8,9]. Recently, Ali et al [10] indicated the bacterial species that can be used in the remediation of heavy metals from the rhizosphere. For the first time, they used a consortium of two different bacteria (i.e., Bacillus subtilis and Staphylococcus aureus) to reduce the chromium (Cr) from the rhizosphere of castor beans.…”
Plant-growth-promoting microorganisms are beneficial microbes that reside in the rhizosphere and roots of plants, direct their developmental process and induce systemic resistance [...]
“…Soil bacteria develop a continual contact with the pollutants present in the soil or in the polluted water used for irrigation [8,9]. Recently, Ali et al [10] indicated the bacterial species that can be used in the remediation of heavy metals from the rhizosphere. For the first time, they used a consortium of two different bacteria (i.e., Bacillus subtilis and Staphylococcus aureus) to reduce the chromium (Cr) from the rhizosphere of castor beans.…”
Plant-growth-promoting microorganisms are beneficial microbes that reside in the rhizosphere and roots of plants, direct their developmental process and induce systemic resistance [...]
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