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The interaction between foliar GA 3 application and arbuscular mycorrhizal fungi inoculation improves growth in salinized tomato Solanum lycopersicum L. Inoculation of Brassica napus L. Hudek L. Water deficit improved the capacity of arbuscular mycorrhizal fungi AMF for inducing the accumulation of antioxidant compounds in lettuce leaves. Connecting microbial capabilities with the soil and plant health: Options for agricultural sustainability. Sahu Pramod K. A critical review on fungi mediated plant responses with special emphasis to Piriformospora indica on improved production and protection of crops.
The arbuscular mycorrhizal symbiosis can overcome reductions in yield and nutritional quality in greenhouse-lettuces cultivated at inappropriate growing seasons. Agronomy for Sustainable Development. Alleviation of drought stress in pulse crops with ACC deaminase producing rhizobacteria isolated from acidic soil of Northeast India. Saikia Juthika, Sarma Rupak K. The ACC deaminase expressing endophyte Pseudomonas spp. Enhances NaCl stress tolerance by reducing stress-related ethylene production, resulting in improved growth, photosynthetic performance, and ionic balance in tomato plants.
Biological seed priming mitigates the effects of water stress in sunflower seedlings. Physiology and Molecular Biology of Plants.
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Effects of elevated CO2, water stress, and inoculation with Glomus intraradices or Pseudomonas mendocina on lettuce dry matter and rhizosphere microbial and functional diversity under growth chamber conditions. Kohler Josef, Knapp Brigitte A. Journal of Soils and Sediments. Role of microorganisms in adaptation of agriculture crops to abiotic stresses. Grover Minakshi, Ali Sk. World Journal of Microbiology and Biotechnology.
International Journal of Molecular Sciences. Singh Anil K. Elmaghrabi Adel M.
Amelioration of drought stress in wheat by combined application of PGPR, compost, and mineral fertilizer. Rhizobacteria improve sugarcane growth and photosynthesis under well-watered conditions. Rampazzo P. Effect of Piriformospora indica and Azotobacter chroococcum on mitigation of zinc deficiency stress in wheat Triticum aestivum L. Climate change effects on beneficial plant-microorganism interactions. The plants were sowing with density of 8 kg per hectare and 20 plant per treatment were tested.
The data obtained were statistically analysed using the analysis of variance. The rizobia isolated from M. CIAT Table 2. Morpho-physiological traits of rhizobia isolated from Macroptillium atropurpureum. The N supply as well as the inoculation with rhizobia isolation Jd 10 and rhizobia strain showed increases in shoot and root biomass accumulation compared to the control without nitrogen and rhizobia isolation Jd The inoculation with the Jd10 isolation showed a higher shoot dry weight compared to the inoculation treatments.
No differences were observed in root dry weight between both strains.
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Figure 1. The inoculation with Jd10 isolation produced the highest values for both nodulation parameters Figure 2. Shoot tissue Na concentrations were significantly decreased when plants were fertilized with N or inoculated with the rhizobia isolation Jd10 and strain , while the opposite was observed for K. The results show that the strategies of M. The chlorophyll content a and b shows significant differences between the different treatments.
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Inoculation with Jd10 yielded the highest chlorophyll a content, while the chlorophyll b content was highest in the control treatment with N addition, followed by the treatment with Jd10 Figure 4. The ureide contents used as an indicator to evaluate N fixation showed the highest values for the rhizobia inoculation Jd10, indicating effective symbiosis between this isolation and M.
The poor response of strain and rhizobia isolation Jd11 Figure 5 and 6 could be due to low effectiveness strains and high salinity. The combination of negative factors has strong influence in dry weight shoot and nodules, N content and ureides accumulation in shoot.
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Dry matter yield and N accumulation were highest in the control treatment with addition of N, followed by the plants inoculated with the Jd10 strain. Nodules number, IEI and ureides content were higher for plants inoculated with the Jd10 strain Picture 1 , which demonstrates the effectiveness of this strain Table 3. The lowest yield and N uptake for the control without N and without inoculation are related to the low nodule number, which is an indicator of the low presence of native rhizobia in these soils.
Table 3. Ureides mmol kg -1 MS. This might have been the cause of low root and shoot biomass in plants exposed to higher salt concentrations.
This behavior has been reported in other studies involving chickpea Cicer arietinum L. In salt stress conditions, inoculation with rhizobia isolation Jd10 and strain increases shoot and root biomass acumulation in M. There is strong correlation between salt exclusion and salt tolerance in many species Munns and James , i. Furthermore, the inoculated control treatment had the highest values of clorophylls and generally bacterial inoculations significantly increased above parameters compared to the uninoculated control treatment under saline conditions. These results confirm that the ability of legume species to grow and survive in saline conditions for improve when they are inoculated with salt tolerant rhizobia strains Shamseldin and Werner Ureide accumulation under drought and salt stress has been abundantly reported for several soybean cultivars, and nitrogen fixation inhibition has been associated with high ureide levels in shoots and leaves Serraj et al However, several reports have challenged the role of shoot ureide accumulation as a regulatory signal to inhibit nitrogen fixation, suggesting that only a rise in ureide within the stressed nodules may be involved in nitrogen fixation inhibition King and Purcell Recently, it has been shown that ureides play a critical role in cell protection under oxidative stress conditions, such as senescence Brychkova et al Under such stressful situations, ureide metabolism plays an essential role in nitrogen mobilization and recycling from either protein or nucleic acid turnover Yesbergenova et al ; Brychkova et al Salt tolerance of Jd M.
Nodule conductance to O 2 diffusion has been found to be a major factor in the inhibition of N 2 fixation by salinity that severely reduces the production of legumes.
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Salt stress adversely affects legume production mainly due to the plant dependence on symbiotic N 2 fixation for their nitrogen requirements. Some processes affected in such conditions involve the limitation of the host plant growth, the symbiotic development of root-nodule bacteria, and, finally, the nitrogen-fixation capacity.
Other physiological responses, result of saline stress, consist of an accelerate greening of the nodules and lower the leghemoglobin content Tejera et al , Karmakar et al According to Wilson , this species under salt stress controlled conditions is more tolerant to glycine and presents less injury and fewer plant deaths. Few report about this species in salt affected soils are present in the international scientific literature.
Alberton O, Kaschuk G and Hungaria M Sampling effects on the assessment of genetic diversity of rhizobia associated with soybean and common bean. Soil Biology and Biochemistry Egypt J Biol — Symbiosis Boddey R M, Pereirda. Aust J Exp Agric — The Plant Journal 54 , — New Phytol , Duncan, L Multiple renge and multiple F test. Biometrics Verified email at bbau. Microbiology, Babasaheb Bhimrao.
Agriculture Microbiology Environmental Microbiology. Articles Cited by Co-authors.
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