INOCULATION WITH Rhizobial consortium FOR IMPROVING THE GROWTH, YIELD AND QUALITY OF MAIZE UNDER SALT-STRESSED CONDITIONS

Ali, Qasim

doi:10.21162/pakjas/17.5388

Cited by 9 publications

(11 citation statements)

References 28 publications

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“…A consortium of seven species of bacteria significantly increased the root length of Arabidopsis , despite the stress of 2.4-DNT [ 55 ]. For salt stress, inoculation with the Rhizobium consortium had a more positive effect on maize size, grain yield, protein content, and chlorophyll content compared to single strain inoculation [ 56 ]. All these data confirm that the synergic effects of microbial consortia have a greater effect on plant growth, plant quality, and soil micro- and/or phytoremediation from different contaminants.…”

Section: Discussionmentioning

confidence: 99%

The Response of Red Clover (Trifolium pratense L.) to Separate and Mixed Inoculations with Rhizobium leguminosarum and Azospirillum brasilense in Presence of Polycyclic Aromatic Hydrocarbons

Furtak

Gawryjołek

Gałązka

et al. 2020

IJERPH

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This study aimed to evaluate the impact of co-inoculation Rhizobium sp. and Azospirillum sp. on plant (Trifolium pratense L.) growth in the presence of polycyclic aromatic hydrocarbon (PAH) contamination (anthracene, phenanthrene, and pyrene). Eight strains from the genus Rhizobium leguminosarum bv. trifolii were selected for biotest analysis. Two methods of inoculation were used in the chamber experiment: (1) R. leguminosarum alone and (2) a combined inoculant (R. leguminosarum and Azospirillum brasilense). For comparison, non-contaminated controls were also used. The results demonstrated that co-inoculation of plants with Rhizobium and Azospirillum resulted in more root and shoot biomass than in plants inoculated with R. leguminosarum alone. The results indicated that application of a co-inoculation of bacteria from Rhizobium and Azospirillum species had a positive effect on clover nodulation and growth under the condition of PAH contamination.

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Section: Discussionmentioning

confidence: 99%

The Response of Red Clover (Trifolium pratense L.) to Separate and Mixed Inoculations with Rhizobium leguminosarum and Azospirillum brasilense in Presence of Polycyclic Aromatic Hydrocarbons

Furtak

Gawryjołek

Gałązka

et al. 2020

IJERPH

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“…Salinity-mediated reduction in the plant's growth attributes has been reported (Ali et al, 2017;Tian et al, 2020). Moreover, the decline in the yield of maize under salinity stress is also reported (Yasin et al, 2018a;Azadikhah et al, 2019).…”

Section: Growth and Yield Attributesmentioning

confidence: 97%

“…Microbially mediated improvement in the relative water contents (RWCs) of plants has already been documented (Ji et al, 2020;Li et al, 2020). Increment in the RWC under inoculated treatments might be due to microbially induced enhancement in the root length and diameter that may have helped the plant to uptake more water under the exact salinity situation (Ali et al, 2017).…”

Section: Physiological Attributesmentioning

confidence: 99%

“…Similar results have already been reported by previous studies (Akladious and Mohamed, 2017;Latef et al, 2020;Tiwari et al, 2020). A decline in the chlorophyll contents under salinity stress might be due to the induction of osmotic stress that may have interfered with the uptake of essential minerals (Ali et al, 2017) or due to specific uptake followed by accumulation of Na + in the leaves that might have hampered chlorophyll and ultimately led to its reduction (Narimanim et al, 2020). In addition, this decline may be due to oxidative stress that might have damaged the chloroplast membrane.…”

Section: Physiological Attributesmentioning

confidence: 99%

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Salt-Tolerant PGPR Confer Salt Tolerance to Maize Through Enhanced Soil Biological Health, Enzymatic Activities, Nutrient Uptake and Antioxidant Defense

et al. 2022

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Salt-tolerant plant growth-promoting rhizobacteria (PGPR) can improve soil enzyme activities, which are indicators of the biological health of the soil, and can overcome the nutritional imbalance in plants. A pot trial was executed to evaluate the effect of inoculation of different salt-tolerant PGPR strains in improving soil enzyme activities. Three different salinity levels (original, 5, and 10 dS m–1) were used and maize seeds were coated with the freshly prepared inocula of ten different PGPR strains. Among different strains, inoculation of SUA-14 (Acinetobacter johnsonii) caused a maximum increment in urease (1.58-fold), acid (1.38-fold), and alkaline phosphatase (3.04-fold) and dehydrogenase (72%) activities as compared to their respective uninoculated control. Acid phosphatase activities were found to be positively correlated with P contents in maize straw (r = 0.96) and grains (r = 0.94). Similarly, a positive correlation was found between alkaline phosphatase activities and P contents in straw (r = 0.77) and grains (r = 0.75). In addition, urease activities also exhibited positive correlation with N contents in maize straw (r = 0.92) and grains (r = 0.91). Moreover, inoculation of Acinetobacter johnsonii caused a significant decline in catalase (39%), superoxide dismutase (26%) activities, and malondialdehyde contents (27%). The PGPR inoculation improved the soil’s biological health and increased the uptake of essential nutrients and conferred salinity tolerance in maize. We conclude that the inoculation of salt-tolerant PGPR improves soil enzyme activities and soil biological health, overcomes nutritional imbalance, and thereby improves nutrient acquisition by the plant under salt stress.

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“…Several works also reported that the co-inoculation of different rhizobial strains (Ali et al 2017;Ullah et al 2017) and that of rhizobia and other bacteria or arbuscular mycorrhizal fungi can be a strategy to mitigate salt or drought stress (Ahmad et al 2011a(Ahmad et al , b, 2012(Ahmad et al , 2013Soliman et al 2012;Martínez et al 2015;Cerezini et al 2016;Egamberdieva et al 2016a, b;Ren et al 2016;Zhu et al 2016;da Piedade Melo et al 2017;Fukami et al 2017;. Moreover, the co-inoculation of rhizobia and other bacteria can alleviate other stresses, such as copper stress (Challougui et al 2015;Fatnassi et al 2015).…”

Section: Growth Promotion Of Legumes and Nonlegumesmentioning

confidence: 99%

Bacteria-Inducing Legume Nodules Involved in the Improvement of Plant Growth, Health and Nutrition

Velázquez

Carro

Flores-Félix

et al. 2019

Microbiome in Plant Health and Disease

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Bacteria-inducing legume nodules are known as rhizobia and belong to the class Alphaproteobacteria and Betaproteobacteria. They promote the growth and nutrition of their respective legume hosts through atmospheric nitrogen fixation which takes place in the nodules induced in their roots or stems. In addition, rhizobia have other plant growth-promoting mechanisms, mainly solubilization of phosphate and production of indoleacetic acid, ACC deaminase and siderophores. Some of these mechanisms have been reported for strains of rhizobia which are also able to promote the growth of several nonlegumes, such as cereals, oilseeds and vegetables. Less studied are the mechanisms that have the rhizobia to promote the plant health; however, these bacteria are able to exert biocontrol of some phytopathogens and to induce the plant resistance. In this chapter, we revised the available data about the ability of the legume noduleinducing bacteria for improving the plant growth, health and nutrition of both legumes and nonlegumes. These data showed that rhizobia meet all the requirements of sustainable agriculture to be used as bio-inoculants allowing the total or partial replacement of chemicals used for fertilization or protection of crops.

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INOCULATION WITH Rhizobial consortium FOR IMPROVING THE GROWTH, YIELD AND QUALITY OF MAIZE UNDER SALT-STRESSED CONDITIONS

Cited by 9 publications

References 28 publications

The Response of Red Clover (Trifolium pratense L.) to Separate and Mixed Inoculations with Rhizobium leguminosarum and Azospirillum brasilense in Presence of Polycyclic Aromatic Hydrocarbons

The Response of Red Clover (Trifolium pratense L.) to Separate and Mixed Inoculations with Rhizobium leguminosarum and Azospirillum brasilense in Presence of Polycyclic Aromatic Hydrocarbons

Salt-Tolerant PGPR Confer Salt Tolerance to Maize Through Enhanced Soil Biological Health, Enzymatic Activities, Nutrient Uptake and Antioxidant Defense

Bacteria-Inducing Legume Nodules Involved in the Improvement of Plant Growth, Health and Nutrition

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