Microbial Inoculants for Soil Quality and Plant Health

Alori, Elizabeth Temitope; Dare, M. O.; Babalola, Olubukola Oluranti

doi:10.1007/978-3-319-48006-0_9

Cited by 119 publications

(97 citation statements)

References 113 publications

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“…In the present agricultural practices, there is a number of beneficiary soil microorganisms used as inoculants. They include Pseudomonassp, Azospirillum, Azotobacter and Phosphobacterium among others [8,9]. Microbial inoculants improve plant growth through a number of mechanisms which include the production of plant hormones, the supply of nutrients and the suppression of various crop pests [10].…”

Section: Introductionmentioning

confidence: 99%

Impacts of Microbial Inoculants on the Growth and Yield of Maize Plant

Alori¹,

Babalola²,

Prigent‐Combaret³

2019

TOASJ

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Background:The use of microbial inoculants holds a great promise to improve crop yield without the negative environmental and health hazard associated with chemical fertilizer. Aim:To investigate if Pseudomonas spp. (Pseudomonas kilonensis F113 and Pseudomonas protegens CHA0 strains) have promoting effects on vegetative growth and yield of different maize genotypes (viz. AFLATOXIN SYN 4W, TZB-SR, AFLATOXIN R SYN 2Y, AFLATOXIN SYN 3W and AFLATOXIN SYN-2Y) under different soil types. Methods:Both pot and field experiments were employed. Bacterialized seeds were sown (2 seeds/pot/stand). Results:Pot experiment showed that both the bacterial species significantly stimulated the growth of maize shoot length, stem girth, leaf length, root length and root weight. The effect of genotypes AFLATOXIN SYN 4W, TZB-SR, AFLATOXIN R SYN 2Y and AFLATOXIN SYN 3W are not significantly different from one another but AFLATOXIN SYN-2Y showed a significantly lower increase in the measured parameters. No significant difference was observed according to soil types. AFLATOXIN SYN 4W showed a significantly higher root weight while AFLATOXIN R SYN 2Y showed a significantly higher root length compared to the other maize genotypes. Moreover, Pseudomonas significantly increased maize growth and yield under field experiment. AFLATOXIN R SYN 2Y and AFLATOXIN SYN 4W showed a significantly higher yield than the other maize genotypes studied. Conclusion:We concluded that Pseudomonas kilogenensis F113 and Pseudomonas protegens CHA0 are potential biofertilizers.

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Section: Introductionmentioning

confidence: 99%

Impacts of Microbial Inoculants on the Growth and Yield of Maize Plant

Alori¹,

Babalola²,

Prigent‐Combaret³

2019

TOASJ

Self Cite

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“…Persistence of plants will gear toward confirming a defensible harvest and development of soil potency and construction. This is a good attitude to stress administration [26].…”

Section: Introductionmentioning

confidence: 94%

Improvement of Faba Bean Production in Saltaffected Soils by Rhizobium leguminosarum bv. viciae Inoculation and Phosphorus Application

El-Akhdar

2020

MRJI

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Faba bean (Vicia faba L.) represents a major source of protein for animal and human nutrition, and provides several benefits such as improved soil quality. The Giza cultivar 87 (Vicia faba L.) was evaluated in three different salinity levels (6.9, 8.7 and 14.8 dSm-1) during two successive cropping seasons (2016-2017 and 2017-2018). The experiment was designed to analyze effect of soil salinity on nitrogen fixation, protein, chemical composition and crop productivity (for both grain and straw). Three phosphorus levels and inoculation with Rhizobium leguminosarum bv. viciae were investigated to improve the growth of Vicia faba L under these conditions. Soil salinity levels reduced the grain number and straw weight of plants. Moreover, yield reductions were associated with increasing soil salinity levels confirming salinity effects on faba bean productivity. Salinity induced a significant decreased in all plant growth parameters, plant chlorophyll and grains proteins, as well as increased Na% of faba bean plants. The plants treated with R. leguminosarum bv. viciae showed significant increase in growth traits such as plant length (%), plant fresh weight (%), protein, N-content and dry weight. On the other hand, the dual treatments with R. leguminosarum bv. viciae plus phosphorus gave a great results compared with inoculation or phosphorus alone. Symbiotic nitrogen fixation inoculation enhanced the growth and yield parameters.

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“…Stamenov et al (2015), also reported that Pseudomonas species show potential for bioremediation. Plants, in association with microbial inoculant, can remove or transform contaminants into harmless substance (Alori et al, 2017 Sunflower inoculated with P. cepacia ATTC 29351 accumulates more zinc than the other treatments. Translocation factor which reveals the measure of the ability of plants to transfer accumulated metals from the roots to the shoots is given by the ratio of concentration of metal in the shoot to that in the roots (Cui et al, 2004).…”

Section: Effects Of Sunflower Inoculated With Pseudomonas Spp On Thementioning

confidence: 99%

Bioremediation potentials of sunflower and Pseudomonas species in soil contaminated with lead and zinc

Alori¹,

Joseph²,

Adebiyi³

et al. 2018

Afr. J. Biotechnol.

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This study was conducted to assess the ability of sunflower (Tithonia diversifolia) inoculated with Pseudomonas species to remediate soils contaminated with heavy metals (lead and zinc). The contaminants were added to 20 kg soil in pots as lead nitrate (Pb (NO 3) 2) and zinc nitrate (Zn (NO 3) 2); 400 mg/l metal concentrations were added to 20 kg soil in pots. The experimental design was a randomized complete block design (RCBD) with the two metal types (lead, zinc) and three species of Pseudomonas replicated thrice. The results reveal that all the Pseudomonas sp. (P. putida ATCC 29352, P. cepacia ATCC 29351 and P. fluorescens F113) used showed the potential for remediating zinc and lead. However, P. fluorescens inoculated sunflower remediate zinc (Zn) the best, followed by sunflower inoculated with P. putida ATCC 29352, and sunflower inoculated with P. cepacia ATCC 29351 at 8 Weeks After Planting (WAP). The order of remediation ability of sunflower inoculated with Pseudomonas spp. in soil polluted with lead (Pb) is in the order of sunflower inoculated with P. cepacia ATCC 29351 ˃ sunflower inoculated with P. putida ATCC 29352 > sunflower inoculated with P. fluorescens F113. The shoot and root of the plant were analysed for Zn and Pb uptake after 8 weeks. The bio-concentration factor (BCF) and translocation factor (TF) assessed at 8WAP showed that translocation of Zn from root to shoot by sunflower with Pseudomonas spp., was higher than Pb. In conclusion this research suggests that sunflower inoculated with Pseudomonas spp., has phytoextraction ability and could be used to remediate soil contaminated with Zn and Pb.

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Microbial Inoculants for Soil Quality and Plant Health

Cited by 119 publications

References 113 publications

Impacts of Microbial Inoculants on the Growth and Yield of Maize Plant

Impacts of Microbial Inoculants on the Growth and Yield of Maize Plant

Improvement of Faba Bean Production in Saltaffected Soils by Rhizobium leguminosarum bv. viciae Inoculation and Phosphorus Application

Bioremediation potentials of sunflower and Pseudomonas species in soil contaminated with lead and zinc

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