EVALUATION OF THE EFFECTS OF PLANT GROWTH PROMOTING RHIZOBACTERIA AND SALINITY ON GERMINATION AND GROWTH OF CORN PLANTS (ZEA MAYS L.)

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ANSORI A.; SHAHGHOLI H.; MAKARIAN H.; FALLAH NOSRATABAD A.R.

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Journal: Journal of Soil Management and Sustainable Production Year:2015 | Volume:4 | Issue:4 Page(s): 235-253

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Title

EVALUATION OF THE EFFECTS OF PLANT GROWTH PROMOTING RHIZOBACTERIA AND SALINITY ON GERMINATION AND GROWTH OF CORN PLANTS (ZEA MAYS L.)

Author(s)

ANSORI A. | SHAHGHOLI H. | MAKARIAN H. | FALLAH NOSRATABAD A.R. | Issue Writer Certificate

Keywords

SALT STRESSQ1

CORNQ1

VEGETATIVE GROWTHQ2

GERMINATION RATEQ2

BIOFERTILIZERQ2

Abstract

The plant growth promoting bacteria as biological fertilizers play an important role in increasing productivity and improving plant growth in stress condition. In order to evaluate the ability of plant promoting rhizobacteria on germination and growth of CORN (Zea mays L.) under salinity conditions, a pot experiment was conducted in factorial based on randomized complete block design with three replications at the college of Agriculture, Shahrood University of Technology in 2011. The treatments were consisted of salinity stress at five levels [zero (control), 2, 4, 6 and 8 dSm-1 of sodium chloride] and four levels of bacterial [non-inoculation (control), Azotobacter chroococum, Pseudomonas fluorescens and Pseudomonas putida]. The results showed a significant effect (P<0.01) on maximum germination (Gmax), germination uniformity (GU), time to 10% (D10) and 90% (D90) germination due to salinity stress, while inoculation with PGPR significantly increased Gmax and D10. Also results revealed that Gmax and GU values were decreased and D10 and D90 increased with increasing salinity stress. The interaction effects of salinity stress and bacterial inoculation significantly affected the Gmax values. Bacterial inoculation has significantly increased Gmax values compared to non-inoculation plants in all of salinity levels. Also salinity stress effect was significant (P<0.01) for biomass, root weight, leaf number and height of CORN. The highest biomass and plant height were obtained from the inoculation with Azotobacter chrococum. Results indicated that biomass yield and plant height decreased with increasing salinity stress in noninoculated treatments. Based on our results, PGPRs can alleviate the negative effects of salinity stress in CORN through increasing plant growth.

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APA: Copy

ANSORI, A., SHAHGHOLI, H., MAKARIAN, H., & FALLAH NOSRATABAD, A.R.. (2015). EVALUATION OF THE EFFECTS OF PLANT GROWTH PROMOTING RHIZOBACTERIA AND SALINITY ON GERMINATION AND GROWTH OF CORN PLANTS (ZEA MAYS L.). ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 4(4), 235-253. SID. https://sid.ir/paper/209876/en

Vancouver: Copy

ANSORI A., SHAHGHOLI H., MAKARIAN H., FALLAH NOSRATABAD A.R.. EVALUATION OF THE EFFECTS OF PLANT GROWTH PROMOTING RHIZOBACTERIA AND SALINITY ON GERMINATION AND GROWTH OF CORN PLANTS (ZEA MAYS L.). ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2015;4(4):235-253. Available from: https://sid.ir/paper/209876/en

IEEE: Copy

A. ANSORI, H. SHAHGHOLI, H. MAKARIAN, and A.R. FALLAH NOSRATABAD, “EVALUATION OF THE EFFECTS OF PLANT GROWTH PROMOTING RHIZOBACTERIA AND SALINITY ON GERMINATION AND GROWTH OF CORN PLANTS (ZEA MAYS L.),” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 4, no. 4, pp. 235–253, 2015, [Online]. Available: https://sid.ir/paper/209876/en

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