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<p>This study was carried out to evaluate the effect of plant growth-promoting micro-organisms on the performance of strawberry under salt stress conditions. The microorganisms and their combinations—untreated control (T<sub>1</sub>), <i>Azotobacter</i> (T<sub>2</sub>), phosphorous-solubilizing bacteria (T<sub>3</sub>), <i>Trichoderma</i> (T<sub>4</sub>), <i>Azotobacter</i> + phosphorous-solubilizing bacteria (T<sub>5</sub>), <i>Azotobacter</i> + <i>Trichoderma</i> (T<sub>6</sub>), phosphorous-solubilizing bacteria + <i>Trichoderma</i> (T<sub>7</sub>), and <i>Azotobacter</i> + phosphorous-solubilizing bacteria + <i>Trichoderma</i> (T<sub>8</sub>)—were applied as soil drenching. The maximum growth characteristics were recorded with T<sub>1</sub> (control), in which no salt stress was given. The soil drenching of <i>Azotobacter</i> + phosphorous-solubilizing bacteria + <i>Trichoderma</i> (T<sub>8</sub>) were found to be significantly the most effective in increasing plant height (11.96 cm), number of leaves per plant (5.80), shoot length (10.85 cm), root length (13.24 cm), shoot fresh weight (24.07 g), root fresh weight (6.42 g), shoot dry weight (4.59 g), root dry weight (1.01 g), leaf chlorophyll content (44.96 SPAD unit), number of crowns per plant (7.13), salt tolerance ratio (0.95), leaf nitrogen (1.64%), phosphorous (0.62%), and potassium content (1.59%), while the lowest sodium content in leaves was recorded with T<sub>1</sub> (0.90%), followed by T<sub>8</sub> (1.01%). The combined application of <i>Azotobacter</i> + phosphorous-solubilizing bacteria + <i>Trichoderma</i> showed positive results on plant growth, salt tolerance, phosphate solubilization and atmospheric nitrogen fixation under salt stress conditions.</p>

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Alleviating the Salinity Stress on Strawberry Using Plant Growth-Promoting Micro-organisms

  • 期刊论文

  • 发表日期：

    2025年10月20日

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  • G. M. Santhoshkumar,
  • Nilesh Bhowmick,
  • Ayon Roy,
  • Abhas Kumar Sinha,
  • Somnath Mandal,
  • V. Sindhu,
  • Kantamraju Prudveesh,
  • Subhadeep Mandal,
  • Souvik Ghosh

摘要

This study was carried out to evaluate the effect of plant growth-promoting micro-organisms on the performance of strawberry under salt stress conditions. The microorganisms and their combinations—untreated control (T1), Azotobacter (T2), phosphorous-solubilizing bacteria (T3), Trichoderma (T4), Azotobacter + phosphorous-solubilizing bacteria (T5), Azotobacter + Trichoderma (T6), phosphorous-solubilizing bacteria + Trichoderma (T7), and Azotobacter + phosphorous-solubilizing bacteria + Trichoderma (T8)—were applied as soil drenching. The maximum growth characteristics were recorded with T1 (control), in which no salt stress was given. The soil drenching of Azotobacter + phosphorous-solubilizing bacteria + Trichoderma (T8) were found to be significantly the most effective in increasing plant height (11.96 cm), number of leaves per plant (5.80), shoot length (10.85 cm), root length (13.24 cm), shoot fresh weight (24.07 g), root fresh weight (6.42 g), shoot dry weight (4.59 g), root dry weight (1.01 g), leaf chlorophyll content (44.96 SPAD unit), number of crowns per plant (7.13), salt tolerance ratio (0.95), leaf nitrogen (1.64%), phosphorous (0.62%), and potassium content (1.59%), while the lowest sodium content in leaves was recorded with T1 (0.90%), followed by T8 (1.01%). The combined application of Azotobacter + phosphorous-solubilizing bacteria + Trichoderma showed positive results on plant growth, salt tolerance, phosphate solubilization and atmospheric nitrogen fixation under salt stress conditions.