Effect of Staphylococcus sp. Bacteria Isolated from Salicornia Plant on Wheat Growth

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Razzaghi Komaresofla B.; ALIKHANI H.A.; ETESAMI H.

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Journal: Journal of Water and Soil Conservation Year:2020 | Volume:26 | Issue:6 Page(s): 179-196

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Title

Effect of Staphylococcus sp. Bacteria Isolated from Salicornia Plant on Wheat Growth

Author(s)

Razzaghi Komaresofla B. | ALIKHANI H.A. | ETESAMI H. | Issue Writer Certificate

Keywords

Endophyte bacteriaQ1

Rhizosphere bacteriaQ1

SalicorniaQ1

SalinityQ1

WheatQ3

Abstract

Background and Objectives: Salinity is one of the most extensive processes of soil degradation, which limits the increase in the production of food products for more demand. Inoculation of plants with salt tolerant plant growth promoting bacteria with the ability to produce ACC-deaminase and indole-3-acetic acid often decreases the negative effects of high salt concentration and improves plant growth parameters. Therefore, the aim of this study was to determine the effect of rhizosphere and endophytic salt tolerant bacteria isolated from rhizosphere and roots of the halophyte Salicornia on Wheat plant growth parameters in different Salinity concentrations. Materials and Methods: This experiment was conducted in greenhouse conditions in a completely randomized design with four levels of Salinity: 0, 4, 7 and 10 dS/m in saturation extract and four levels of bacteria: no bacterial strains (control), Rhizosphere bacterial strain, endophytic bacterial strain, and combined use of rhizosphere and endophytic bacterial strains in 3 replications. After harvest, the morphological and physiological characteristics of the Wheat plant were measured. Data analysis was performed using SAS software. Results: The results showed that plant yield was significantly affected by Salinity. Increased concentration of NaCl from 0 to 4 dS/m did not have any effect on all growth parameters, and in some cases, it improved them. But with increasing Salinity level from 4 to 7 and 10 dS/m, Salinity had a negative effect on all growth parameters with the highest negative effect in the concentration of 10 dS/m. In the absence of salt stress, the presence of bacteria increased plant yield. In salt stress conditions, inoculation of bacterial strains had a significant effect on plant growth and increased the shoot dry weight (9. 49-26. 68%), root length (3. 94-27. 47%), root dry weight (10-47. 36%), root dry weight to shoot dry weight ratio (19. 41-20. 69%) and reduction of leaf relative water content (1. 2-11. 71%), superoxide dismutase activity (7. 63-15. 8%) and proline (12. 5-33. 33%) compared to control. Conclusion: In general, the inoculation of bacterial strains resulted in improving Wheat plant growth parameters (7 out of 13 measured growth parameters). To be halophytic bacterial strains and salt tolerance of Wheat cultivar used in this study can be some of the reasons for not being affected other 6 growth parameters by treatments. According to the results obtained from this study, to improve Wheat plant growth parameters and reduce the effects of Salinity stress by the salt tolerant growth promoting bacteria isolated from Salicornia plant as a bio-fertilizer, it is needed to perform more studies (i. e., use of higher Salinity levels and different Wheat cultivars) at the field and greenhouse level.

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APA: Copy

Razzaghi Komaresofla, B., ALIKHANI, H.A., & ETESAMI, H.. (2020). Effect of Staphylococcus sp. Bacteria Isolated from Salicornia Plant on Wheat Growth. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 26(6 ), 179-196. SID. https://sid.ir/paper/397031/en

Vancouver: Copy

Razzaghi Komaresofla B., ALIKHANI H.A., ETESAMI H.. Effect of Staphylococcus sp. Bacteria Isolated from Salicornia Plant on Wheat Growth. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2020;26(6 ):179-196. Available from: https://sid.ir/paper/397031/en

IEEE: Copy

B. Razzaghi Komaresofla, H.A. ALIKHANI, and H. ETESAMI, “Effect of Staphylococcus sp. Bacteria Isolated from Salicornia Plant on Wheat Growth,” JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 26, no. 6 , pp. 179–196, 2020, [Online]. Available: https://sid.ir/paper/397031/en

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