EFFECT OF PLANT GROWTH PROMOTING RHIZOBIA ON AMELIORATING THE EFFECTS OF SALT STRESS IN CANOLA (BRASSICA NAPUS L.)

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SAGHAFI D.; ALIKHANI H.A.; MOTESHAREZADEH B.

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Journal: Journal of Soil Management and Sustainable Production Year:2015 | Volume:5 | Issue:1 Page(s): 23-41

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Title

EFFECT OF PLANT GROWTH PROMOTING RHIZOBIA ON AMELIORATING THE EFFECTS OF SALT STRESS IN CANOLA (BRASSICA NAPUS L.)

Author(s)

SAGHAFI D. | ALIKHANI H.A. | MOTESHAREZADEH B. | Issue Writer Certificate

Keywords

CANOLAQ2

GROWTHQ2

IONS COMPOSITIONQ2

RHIZOBIAQ1

SALINITYQ2

Abstract

A pot study was conducted in order to evaluate the effect of Plant GROWTH Promoting RHIZOBIA (PGPR) on the GROWTH and ionic composition of CANOLA under salt stress conditions, as factorial in randomized complete block design with three replications. SALINITY in four levels of 0, 3, 6 and 9 dS/m were evaluated with mixture of salts NaCl and MgCl2. CANOLA seeds were inoculated with selected strains (T2: Sm29, T3: Sm103, T4: Rlp307, T5: Rlp281, T6: Rlp258 and T7: Rlp266) and uninoculated control (T1). In general, with the increase in SALINITY, the GROWTH parameters (except Chlorophyll) and ionic composition (except Na and K) of CANOLA decreased. The results indicated that inoculation with RHIZOBIA under the SALINITY, significantly (P<0.01) increased the Chlorophyll (up to 8.34%), leaf area (up to 17%), relative water content (8.78%), shoot and root fresh weight (up to 20.4 and 49% respectively), compared to un-inoculated control. Similarly, inoculation restricted (up to 29%) the uptake of Na+ and enhanced the accumulation of N, P, K, Fe, Zn, Cu and Mn in shoot compared to control. Among the selected strains, T5 (salt tolerance, able to produce IAA, ACC-deaminase and dissolved insoluble inorganic phosphates) performed better under the SALINITY stress. Probably, the promotion of GROWTH and nutrients uptake by this strain, its due to the better nutritional balance. In general, it can be concluded that inoculation with plant GROWTH promoting RHIZOBIA can ameliorate the deleterious effects of salt stress on nutrition and the GROWTH parameters of CANOLA.

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APA: Copy

SAGHAFI, D., ALIKHANI, H.A., & MOTESHAREZADEH, B.. (2015). EFFECT OF PLANT GROWTH PROMOTING RHIZOBIA ON AMELIORATING THE EFFECTS OF SALT STRESS IN CANOLA (BRASSICA NAPUS L.). ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 5(1), 23-41. SID. https://sid.ir/paper/209919/en

Vancouver: Copy

SAGHAFI D., ALIKHANI H.A., MOTESHAREZADEH B.. EFFECT OF PLANT GROWTH PROMOTING RHIZOBIA ON AMELIORATING THE EFFECTS OF SALT STRESS IN CANOLA (BRASSICA NAPUS L.). ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2015;5(1):23-41. Available from: https://sid.ir/paper/209919/en

IEEE: Copy

D. SAGHAFI, H.A. ALIKHANI, and B. MOTESHAREZADEH, “EFFECT OF PLANT GROWTH PROMOTING RHIZOBIA ON AMELIORATING THE EFFECTS OF SALT STRESS IN CANOLA (BRASSICA NAPUS L.),” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 5, no. 1, pp. 23–41, 2015, [Online]. Available: https://sid.ir/paper/209919/en

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