Mitigation of effect of salt stress on the nodulation, nitrogen fixation and growth of chickpea (Cicer arietinum L.) by triple microbial inoculation

Abd‐Alla, Mohamed Hemida; Nafady, Nivien A.; Bashandy, Shymaa Ryhan; Hassan, Amany A.

doi:10.1016/j.rhisph.2019.100148

Cited by 54 publications

(29 citation statements)

References 59 publications

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“…ACC keeps the plant in homeostasis and provides higher tolerance to stress conditions. The excretion of exopolysaccharides and siderophores also contributes to ionic balance, water uptake, and pathogen inhibition, as also observed with the action of Bacillus subtilis (Hashem;Tabassum;Abd-Alla, 2019). This growth stimulation was not observed as a result of the inoculation with the mix of Bacillus spp.…”

Section: Resultsmentioning

confidence: 75%

“…In chickpea cultivation, plant inoculation with growth-promoting bacteria such as those of the genus Bacillus favors the synthesis of phytohormones such as IAA (Mondal et al, 2019) and the secretion of exopolysaccharides, siderophores, and flavonoids, which inhibit the movement of toxic ions (Wani;Khan, 2010) and pathogenic populations (Sivaramaiah;Malak;Sindhu, 2007). These bacteria also participate in the maintenance of ionic balance in the soil solution (Hashem;Tabassum;Abd-alla, 2019), promoting phosphorus solubilization (Yadav;Verma, 2014;Hashem;Tabassum;Abd-Alla, 2019). Furthermore, they increase biological nitrogen fixation (BNF) (Sivaramaiah;Malak;Sindhu, 2007) and chickpea grain production (Wani;Khan, 2010).…”

Section: Introductionmentioning

confidence: 99%

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Inoculation of Bacillus spp. and nitrogen levels increase chickpea production

et al. 2021

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Chickpea growth and yield are related to the balanced supply of N. In weathered soils, this factor depends on the biological activity of growth-promoting bacteria, the presence of diazotrophic bacteria, and the management of nitrogen fertilization. In this regard, this study aimed to evaluate the efficiency of inoculation with a mix of Bacillus spp. and N levels on chickpea cultivation. Two experiments were carried out: area 01, characterized by shortest cultivation time and area 02, with the longest cultivation time. For both studies, the experimental design was in randomized blocks with four replications arranged in a 2 x 6 factorial consisting of the absence or presence of the mix of Bacillus spp. (1 x 107 CFU per mL) from root isolates and six N levels: 0, 25, 50, 75, 100, and 125 kg ha-1. The chickpea production and yield characteristics were evaluated. In the area 01, inoculation with the mix of Bacillus spp. did not interfere with grain yield, whereas the application of lower N levels (25 kg ha-1) increased the dry mass of branches, grains, total dry mass, and yield (4.17 t ha-1). In contrast, in the area 02, nitrogen fertilization increased the chlorophyll index but did not interfere with the remaining production variables, whereas inoculation with Bacillus spp. increased chickpea yield by 4%, resulting in a grain harvest of 4.16 t ha-1. Therefore, inoculation of chickpea seeds with the mix of Bacillus spp. is recommended in soils with long-time cultivation of agricultural species.

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Section: Resultsmentioning

confidence: 75%

Section: Introductionmentioning

confidence: 99%

Inoculation of Bacillus spp. and nitrogen levels increase chickpea production

et al. 2021

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“…Globally, soil salinization reduces the available arable land in terms of the gross cropped area by 1–2% annually in the arid and semi-arid regions [ 61 ]. Salt stress affects plant growth and yield in many crop species including cereals (wheat, rice and maize), forages (clover), pulse crops (pea, chickpea, pigeonpea) and horticultural crops (potato and tomato) [ 62 , 63 , 64 ]. They are relatively more susceptible to excessive salt concentration.…”

Section: Discussionmentioning

confidence: 99%

Salt-Tolerant Compatible Microbial Inoculants Modulate Physio-Biochemical Responses Enhance Plant Growth, Zn Biofortification and Yield of Wheat Grown in Saline-Sodic Soil

Singh

Malviya

Singh

et al. 2021

IJERPH

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A wide range of root-associated mutualistic microorganisms have been successfully applied and documented in the past for growth promotion, biofertilization, biofortification and biotic and abiotic stress amelioration in major crops. These microorganisms include nitrogen fixers, nutrient mobilizers, bio-remediators and bio-control agents. The present study aimed to demonstrate the impact of salt-tolerant compatible microbial inoculants on plant growth; Zn biofortification and yield of wheat (Triticum aestivum L.) crops grown in saline-sodic soil and insight of the mechanisms involved therein are being shared through this paper. Field experiments were conducted to evaluate the effects of Trichoderma harzianum UBSTH-501 and Bacillus amyloliquefaciens B-16 on wheat grown in saline-sodic soil at Research Farm, ICAR-Indian Institute of Seed Sciences, Kushmaur, India. The population of rhizosphere-associated microorganisms changed dramatically upon inoculation of the test microbes in the wheat rhizosphere. The co-inoculation induced a significant accumulation of proline and total soluble sugar in wheat at 30, 60, 90 and 120 days after sowing as compared to the uninoculated control. Upon quantitative estimation of organic solutes and antioxidant enzymes, these were found to have increased significantly in co-inoculated plants under salt-stressed conditions. The application of microbial inoculants enhanced the salt tolerance level significantly in wheat plants grown in saline-sodic soil. A significant increase in the uptake and translocation of potassium (K+) and calcium (Ca2+) was observed in wheat co-inoculated with the microbial inoculants, while a significant reduction in sodium (Na+) content was recorded in plants treated with both the bio-agents when compared with the respective uninoculated control plants. Results clearly indicated that significantly higher expression of TaHKT-1 and TaNHX1 in the roots enhances salt tolerance effectively by maintaining the Na+/K+ balance in the plant tissue. It was also observed that co-inoculation of the test inoculants increased the expression of ZIP transporters (2–3.5-folds) which ultimately led to increased biofortification of Zn in wheat grown in saline-sodic soil. Results suggested that co-inoculation of T. harzianum UBSTH-501 and B. amyloliquefaciens B-16 not only increased plant growth but also improved total grain yield along with a reduction in seedling mortality in the early stages of crop growth. In general, the present investigation demonstrated the feasibility of using salt-tolerant rhizosphere microbes for plant growth promotion and provides insights into plant-microbe interactions to ameliorate salt stress and increase Zn bio-fortification in wheat.

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“…Soil microbes such as PSB and nitrogen fixing bacteria help in restoration of soil fertility by nutrients cycling and ultimately help in plant growth [ 13 ]. Application of Rhizobium and Stenotrophomonas maltophila improved the plant growth due to increased P availability under saline condition [ 14 ]. PSB have been used as a biofertilizers in various crop such as maize, cabbage and sugarcane [ 15 , 16 ].…”

Section: Introductionmentioning

confidence: 99%

Impact of nanophos in agriculture to improve functional bacterial community and crop productivity

Chaudhary

Parveen

et al. 2021

BMC Plant Biol

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Background Since the World’s population is increasing, it’s critical to boost agricultural productivity to meet the rising demand for food and reduce poverty. Fertilizers are widely used in traditional agricultural methods to improve crop yield, but they have a number of negative environmental consequences such as nutrient losses, decrease fertility and polluted water and air. Researchers have been focusing on alternative crop fertilizers mechanisms to address these issues in recent years and nanobiofertilizers have frequently been suggested. “Nanophos” is a biofertilizer and contains phosphate-solubilising bacteria that solubilises insoluble phosphate and makes it available to the plants for improved growth and productivity as well as maintain soil health. This study evaluated the impact of nanophos on the growth and development of maize plants and its rhizospheric microbial community such as NPK solubilising microbes, soil enzyme activities and soil protein under field condition after 20, 40 and 60 days in randomized block design. Results Maize seeds treated with nanophos showed improvement in germination of seeds, plant height, number of leaves, photosynthetic pigments, total sugar and protein level over control. A higher activity of phenol, flavonoid, antioxidant activities and yield were noticed in nanophos treated plants over control. Positive shift in total bacterial count, nitrogen fixing bacteria, phosphate and potassium solubilizers were observed in the presence of nanophos as compared to control. Soil enzyme activities were significantly (P < 0.05) improved in treated soil and showed moderately correlation between treatments estimated using Spearman rank correlation test. Real time PCR and total soil protein content analysis showed enhanced microbial population in nanophos treated soil. Obtained results showed that nanophos improved the soil microbial population and thus improved the plant growth and productivity. Conclusion The study concluded a stimulating effect of nanophos on Zea mays health and productivity and indicates good response towards total bacterial, NPK solubilising bacteria, soil enzymes, soil protein which equally showed positive response towards soil nutrient status. It can be a potential way to boost soil nutrient use efficiency and can be a better alternative to fertilizers used in the agriculture.

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Mitigation of effect of salt stress on the nodulation, nitrogen fixation and growth of chickpea (Cicer arietinum L.) by triple microbial inoculation

Cited by 54 publications

References 59 publications

Inoculation of Bacillus spp. and nitrogen levels increase chickpea production

Inoculation of Bacillus spp. and nitrogen levels increase chickpea production

Salt-Tolerant Compatible Microbial Inoculants Modulate Physio-Biochemical Responses Enhance Plant Growth, Zn Biofortification and Yield of Wheat Grown in Saline-Sodic Soil

Impact of nanophos in agriculture to improve functional bacterial community and crop productivity

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