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Potential role of compost mixed biochar with rhizobacteria in mitigating lead toxicity in spinach
M. Zafar-Ul-Hye, M. Tahzeeb-Ul-Hassan, M. Abid, S. Fahad, M. Brtnicky, T. Dokulilova, R. Datta, S. Danish,
Language English Country Great Britain
Document type Journal Article
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- MeSH
- Alcaligenes faecalis enzymology isolation & purification metabolism MeSH
- Bacillus amyloliquefaciens enzymology isolation & purification metabolism MeSH
- Bacterial Proteins metabolism MeSH
- Chlorophyll metabolism MeSH
- Potassium analysis MeSH
- Charcoal chemistry MeSH
- Hydrogen-Ion Concentration MeSH
- Plant Roots growth & development metabolism microbiology MeSH
- Soil Pollutants chemistry metabolism toxicity MeSH
- Carbon-Carbon Lyases metabolism MeSH
- Lead chemistry metabolism toxicity MeSH
- Soil chemistry MeSH
- Soil Microbiology MeSH
- Spinacia oleracea chemistry drug effects microbiology MeSH
- Symbiosis MeSH
- Publication type
- Journal Article MeSH
Consumption of heavy metals, especially lead (Pb) contaminated food is a serious threat to human health. Higher Pb uptake by the plant affects the quality, growth and yield of crops. However, inoculation of plant growth-promoting rhizobacteria (PGPR) along with a mixture of organic amendments and biochar could be an effective way to overcome the problem of Pb toxicity. That's why current pot experiment was conducted to investigate the effect of compost mixed biochar (CB) and ACC deaminase producing PGPR on growth and yield of spinach plants under artificially induced Pb toxicity. Six different treatments i.e., control, Alcaligenes faecalis (PGPR1), Bacillus amyloliquefaciens (PGPR2), compost + biochar (CB), PGPR1 + CB and PGPR2 + CB were applied under 250 mg Pb kg-1 soil. Results showed that inoculation of PGPRs (Alcaligenes faecalis and Bacillus amyloliquefaciens) alone and along with CB significantly enhanced root fresh (47%) and dry weight (31%), potassium concentration (11%) in the spinach plant. Whereas, CB + Bacillus amyloliquefaciens significantly decreased (43%) the concentration of Pb in the spinach root over control. In conclusion, CB + Bacillus amyloliquefaciens has the potential to mitigate the Pb induced toxicity in the spinach. The obtained result can be further used in the planning and execution of rhizobacteria and compost mixed biochar-based soil amendment.
References provided by Crossref.org
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- $a Consumption of heavy metals, especially lead (Pb) contaminated food is a serious threat to human health. Higher Pb uptake by the plant affects the quality, growth and yield of crops. However, inoculation of plant growth-promoting rhizobacteria (PGPR) along with a mixture of organic amendments and biochar could be an effective way to overcome the problem of Pb toxicity. That's why current pot experiment was conducted to investigate the effect of compost mixed biochar (CB) and ACC deaminase producing PGPR on growth and yield of spinach plants under artificially induced Pb toxicity. Six different treatments i.e., control, Alcaligenes faecalis (PGPR1), Bacillus amyloliquefaciens (PGPR2), compost + biochar (CB), PGPR1 + CB and PGPR2 + CB were applied under 250 mg Pb kg-1 soil. Results showed that inoculation of PGPRs (Alcaligenes faecalis and Bacillus amyloliquefaciens) alone and along with CB significantly enhanced root fresh (47%) and dry weight (31%), potassium concentration (11%) in the spinach plant. Whereas, CB + Bacillus amyloliquefaciens significantly decreased (43%) the concentration of Pb in the spinach root over control. In conclusion, CB + Bacillus amyloliquefaciens has the potential to mitigate the Pb induced toxicity in the spinach. The obtained result can be further used in the planning and execution of rhizobacteria and compost mixed biochar-based soil amendment.
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- $a Fahad, Shah $u Department of Agronomy, The University of Haripur, Haripur, 22620, Pakistan. shahfahad@uoswabi.edu.pk. College of Plant Sciences and Technology, Huazhong Agriculture University, Wuhan, China. shahfahad@uoswabi.edu.pk.
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- $a Brtnicky, Martin $u Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, 61300, Brno, Czech Republic. Institute of Chemistry and Technology of Environmental Protection, Brno University of Technology, Faculty of Chemistry, Purkynova 118, 62100, Brno, Czech Republic.
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