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Impact of PGPR inoculation on growth and antioxidant status of wheat under saline conditions

Upadhyay, Sudhir Kumar, Singh, Jay Shankar, Saxena, Anil Kumar, Singh, Devendra Pratap·2012·Plant Biology

Abstract

Two plant growth‐promoting rhizobacterial (PGPR) strains, Bacillus subtilis SU47 and A rthrobacter sp. SU18, were found to tolerate 8% NaCl. Wheat co‐inoculated with these two PGPR strains, and grown under different salinity regimes (2–6 dS m−1), showed an increase in dry biomass, total soluble sugars and proline content. Wheat sodium content was reduced under co‐inoculated conditions but not after single inoculation with either strain or in the control. The activity of antioxidant enzymes in wheat leaves decreased under salinity stress after PGPR co‐inoculation, suggesting these PGPR species could be used for amelioration of stress in wheat plants. Activity of three antioxidant enzymes in wheat grown with both PGPR strains was reduced, most notably that of catalase activity at a salinity of 6 dS m−1, when compared with the control. The results indicate that co‐inoculation with B. subtilis and Arthrobacter sp. could alleviate the adverse effects of soil salinity on wheat growth.

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Metadata

Authors
Upadhyay, S. K., Singh, J. S., Saxena, A. K., & Singh, D. P.
Venue
Plant Biology
Publisher
Wiley
Published
2011-12-02
Volume
14
Issue
4
Pages
605-611
ISSN
  • 1435-8603 (ISSN-L)
  • 1438-8677
OpenAlex
W1481992421
Cited by
422
References
41
FWCI
5.45
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Impact of PGPR inoculation on growth and antioxidant status of wheat under saline conditions. https://app.cochat.ai/papers/10.1111/j.1438-8677.2011.00533.x
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Upadhyay, S. K., Singh, J. S., Saxena, A. K., & Singh, D. P. (2012). Impact of PGPR inoculation on growth and antioxidant status of wheat under saline conditions. Plant Biology. https://doi.org/10.1111/j.1438-8677.2011.00533.x

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